diff --git a/code/BasicFeature/Ability/AbilityRuntime/entry/src/main/ets/abilitylifecyclecallback/AbilityLifecycleCallback.ets b/code/BasicFeature/Ability/AbilityRuntime/entry/src/main/ets/abilitylifecyclecallback/AbilityLifecycleCallback.ets
index 430cc485375e48ef471e61dfe5e3b4bdf38b6953..bac9c2a34b4f038ceebcc642b82af62ad0fab24d 100644
--- a/code/BasicFeature/Ability/AbilityRuntime/entry/src/main/ets/abilitylifecyclecallback/AbilityLifecycleCallback.ets
+++ b/code/BasicFeature/Ability/AbilityRuntime/entry/src/main/ets/abilitylifecyclecallback/AbilityLifecycleCallback.ets
@@ -21,6 +21,7 @@ import { hilog } from '@kit.PerformanceAnalysisKit';
 const TAG: string = '[AbilityLifecycleCallback]';
 const DOMAIN: number = 0xFF00;
 
+// [Start get_sandbox_path_from_context_singleton]
 export class GlobalContext {
   private constructor() {
   }
@@ -43,7 +44,7 @@ export class GlobalContext {
     this._objects.set(key, objectClass);
   }
 }
-
+// [End get_sandbox_path_from_context_singleton]
 // 声明ability生命周期回调，需配置所有回调后才可以在applicationContext注册
 let abilityLifecycleCallback: AbilityLifecycleCallback = {
   onAbilityCreate(ability) {
diff --git a/code/DocsSample/ArkWeb/LifecycleWebComp/entry/src/main/ets/pages/Index.ets b/code/DocsSample/ArkWeb/LifecycleWebComp/entry/src/main/ets/pages/Index.ets
index 170cc62808fe146f1a0b47b2a6f851c78d1ee6d6..5e904676c4acbaa978d796dc71ce3ca78d084010 100755
--- a/code/DocsSample/ArkWeb/LifecycleWebComp/entry/src/main/ets/pages/Index.ets
+++ b/code/DocsSample/ArkWeb/LifecycleWebComp/entry/src/main/ets/pages/Index.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start the_status_of_web_component_web_page_loading]
 import { webview } from '@kit.ArkWeb';
 import { BusinessError } from '@kit.BasicServicesKit';
 import { promptAction } from '@kit.ArkUI';
@@ -127,4 +127,5 @@ struct WebComponent {
         })
     }
   }
-}
\ No newline at end of file
+}
+// [End the_status_of_web_component_web_page_loading]
\ No newline at end of file
diff --git a/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/AddIntTrackPreventByPassList.ets b/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/AddIntTrackPreventByPassList.ets
index 882c47fbaa9b8ef814e3d7de90ca14d02c109cdf..aa1655f7bbde61df1c1a081b565110487297ab79 100755
--- a/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/AddIntTrackPreventByPassList.ets
+++ b/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/AddIntTrackPreventByPassList.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start set_domains_to_bypass_intelligent_tracking]
 import { webview } from '@kit.ArkWeb';
 import { BusinessError } from '@kit.BasicServicesKit';
 
@@ -36,4 +36,5 @@ struct WebComponent {
       Web({ src: $r('app.string.web_path'), controller: this.controller });
     }
   }
-}
\ No newline at end of file
+}
+// [End set_domains_to_bypass_intelligent_tracking]
\ No newline at end of file
diff --git a/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/ClearIntTrackPreventByPassList.ets b/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/ClearIntTrackPreventByPassList.ets
index cee0fd0d0ce30eb90c97f2eef1028e7a5b30b941..fc8f4c08468d7173ebf6f674576423ab92e227f2 100755
--- a/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/ClearIntTrackPreventByPassList.ets
+++ b/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/ClearIntTrackPreventByPassList.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start clear_all_intelligent_tracking_prevention_bypasses]
 import { webview } from '@kit.ArkWeb';
 
 @Entry
@@ -30,3 +30,4 @@ struct WebComponent {
     }
   }
 }
+// [End clear_all_intelligent_tracking_prevention_bypasses]
\ No newline at end of file
diff --git a/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/CollectingAdsBlockingInformation.ets b/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/CollectingAdsBlockingInformation.ets
index 283ced2f34ecd9a3bd96950f6d5c48e97b10042c..92dcff572ceeaa5db68902c51d8a55f5acfaf1b1 100755
--- a/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/CollectingAdsBlockingInformation.ets
+++ b/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/CollectingAdsBlockingInformation.ets
@@ -13,13 +13,16 @@
  * limitations under the License.
  */
 
+// [Start collect_information_about_ad_filtering]
 import { webview } from '@kit.ArkWeb';
 
 @Entry
 @Component
 struct WebComponent {
   @State totalAdsBlockCounts: number = 0;
+  // [StartExclude collect_information_about_ad_filtering]
   @State myString: string = 'onAdsBlocked';
+  // [EndExclude collect_information_about_ad_filtering]
   controller: webview.WebviewController = new webview.WebviewController();
 
   build() {
@@ -36,3 +39,4 @@ struct WebComponent {
     }
   }
 }
+// [End collect_information_about_ad_filtering]
diff --git a/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/DisAdsBlockSpecDomPages_one.ets b/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/DisAdsBlockSpecDomPages_one.ets
index d903a58c48d351147b1b33283d9ddcf943849c25..e70fa2041e757cc4df8d921a1196adf059951219 100755
--- a/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/DisAdsBlockSpecDomPages_one.ets
+++ b/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/DisAdsBlockSpecDomPages_one.ets
@@ -12,13 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start turn_off_ad_filtering_for_specific_domain_pages]
 import { webview } from '@kit.ArkWeb';
 
+// [StartExclude turn_off_ad_filtering_for_specific_domain_pages]
 function resourceToString(resource: Resource) {
   return getContext().resourceManager.getStringSync(resource);
 }
-
+// [EndExclude turn_off_ad_filtering_for_specific_domain_pages]
 @Entry
 @Component
 struct WebComponent {
@@ -62,3 +63,4 @@ struct WebComponent {
     }
   }
 }
+// [End turn_off_ad_filtering_for_specific_domain_pages]
\ No newline at end of file
diff --git a/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/DisAdsBlockSpecDomPages_two.ets b/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/DisAdsBlockSpecDomPages_two.ets
index fb11841153705f6707e2982a98fb1d098af29621..fe925a82e9cb552cb6c7c03275463b52c7c5fc23 100755
--- a/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/DisAdsBlockSpecDomPages_two.ets
+++ b/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/DisAdsBlockSpecDomPages_two.ets
@@ -12,13 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start set_up_page_level_ad_filtering_switch]
 import { webview } from '@kit.ArkWeb';
 
+// [StartExclude set_up_page_level_ad_filtering_switch]
 function resourceToString(resource: Resource) {
   return getContext().resourceManager.getStringSync(resource);
 }
-
+// [EndExclude set_up_page_level_ad_filtering_switch]
 @Entry
 @Component
 struct WebComponent {
@@ -63,3 +64,4 @@ struct WebComponent {
     }
   }
 }
+// [End set_up_page_level_ad_filtering_switch]
\ No newline at end of file
diff --git a/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/EnableIntTrackPrevent.ets b/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/EnableIntTrackPrevent.ets
index 2abfd30abb9173efd02d23456f9af5d0aa6f7190..e317299ae711252bb84c330c82d3e00be2ee137b 100755
--- a/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/EnableIntTrackPrevent.ets
+++ b/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/EnableIntTrackPrevent.ets
@@ -13,6 +13,7 @@
  * limitations under the License.
  */
 
+// [Start enable_or_disable_web_component_anti_tracking]
 import { webview } from '@kit.ArkWeb';
 import { BusinessError } from '@kit.BasicServicesKit';
 
@@ -36,4 +37,5 @@ struct WebComponent {
       Web({ src: $r('app.string.web_path'), controller: this.controller });
     }
   }
-}
\ No newline at end of file
+}
+// [End enable_or_disable_web_component_anti_tracking]
\ No newline at end of file
diff --git a/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/EnablingAdsBlocking.ets b/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/EnablingAdsBlocking.ets
index 6f3479240ce6de1897bb49f1e42d136890ffe1d9..8eb4a81e2d203fc04af163a09aaf5601ef77c7c7 100755
--- a/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/EnablingAdsBlocking.ets
+++ b/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/EnablingAdsBlocking.ets
@@ -13,13 +13,15 @@
  * limitations under the License.
  */
 
+// [Start app_select_list_rule_file_for_ad_filter]
 import { webview } from '@kit.ArkWeb';
 import { picker, fileUri } from '@kit.CoreFileKit';
 
+// [StartExclude app_select_list_rule_file_for_ad_filter]
 function resourceToString(resource: Resource) {
   return getContext().resourceManager.getStringSync(resource);
 }
-
+// [EndExclude app_select_list_rule_file_for_ad_filter]
 @Entry
 @Component
 struct WebComponent {
@@ -59,3 +61,4 @@ struct WebComponent {
     }
   }
 }
+// [End app_select_list_rule_file_for_ad_filter]
\ No newline at end of file
diff --git a/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/IsIntTrackPreventEnabled.ets b/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/IsIntTrackPreventEnabled.ets
index cf899e8d3fd84841e969a12d2487d4ab8e392716..f35678435d85e62eb43ee5e6183a73f833604b85 100755
--- a/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/IsIntTrackPreventEnabled.ets
+++ b/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/IsIntTrackPreventEnabled.ets
@@ -13,6 +13,7 @@
  * limitations under the License.
  */
 
+// [Start check_if_web_component_anti_tracking_on]
 import { webview } from '@kit.ArkWeb';
 import { BusinessError } from '@kit.BasicServicesKit';
 
@@ -37,3 +38,4 @@ struct WebComponent {
     }
   }
 }
+// [End check_if_web_component_anti_tracking_on]
\ No newline at end of file
diff --git a/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/OnIntTrackPreventResult.ets b/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/OnIntTrackPreventResult.ets
index 6312ba16347037977791cf218c00665726a06434..86bb3887dba5ec4ce1dc1b4c449b4108f75835fc 100755
--- a/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/OnIntTrackPreventResult.ets
+++ b/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/OnIntTrackPreventResult.ets
@@ -13,6 +13,7 @@
  * limitations under the License.
  */
 
+// [Start retrieve_blocked_and_visited_domain_names]
 import { webview } from '@kit.ArkWeb';
 import { BusinessError } from '@kit.BasicServicesKit';
 
@@ -40,4 +41,5 @@ struct WebComponent {
         })
     }
   }
-}
\ No newline at end of file
+}
+// [End retrieve_blocked_and_visited_domain_names]
\ No newline at end of file
diff --git a/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/RemoveIntTrackPreventByPassList.ets b/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/RemoveIntTrackPreventByPassList.ets
index 86a03f28a7406192364d036f6c8d1a08cb6a1bbe..504ff4f33c70bf7fd9face2a029d6b789b295ad1 100755
--- a/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/RemoveIntTrackPreventByPassList.ets
+++ b/code/DocsSample/ArkWeb/ManageWebCompSecPriv/entry/src/main/ets/pages/RemoveIntTrackPreventByPassList.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start partial_domain_name_list]
 import { webview } from '@kit.ArkWeb';
 import { BusinessError } from '@kit.BasicServicesKit';
 
@@ -37,3 +37,4 @@ struct WebComponent {
     }
   }
 }
+// [End partial_domain_name_list]
\ No newline at end of file
diff --git a/code/DocsSample/ArkWeb/ManageWebPageLoadBrowse/CustomizePageResp/entry/src/main/ets/pages/OnInterceptRequest_one.ets b/code/DocsSample/ArkWeb/ManageWebPageLoadBrowse/CustomizePageResp/entry/src/main/ets/pages/OnInterceptRequest_one.ets
index 88739dc3db0aef654af44ff590b2e0254f2790f1..99b4325373d0f329d3c81f87eb45df1fbd3bdbf6 100755
--- a/code/DocsSample/ArkWeb/ManageWebPageLoadBrowse/CustomizePageResp/entry/src/main/ets/pages/OnInterceptRequest_one.ets
+++ b/code/DocsSample/ArkWeb/ManageWebPageLoadBrowse/CustomizePageResp/entry/src/main/ets/pages/OnInterceptRequest_one.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
- 
+// [Start build_response_resources_to_implement_custom_page_response_scenarios]
 import { webview } from '@kit.ArkWeb';
 
 function resourceToString(resource: Resource) {
@@ -57,3 +57,4 @@ struct WebComponent {
     }
   }
 }
+// [End build_response_resources_to_implement_custom_page_response_scenarios]
\ No newline at end of file
diff --git a/code/DocsSample/ArkWeb/ManageWebPageLoadBrowse/CustomizePageResp/entry/src/main/ets/pages/OnInterceptRequest_two.ets b/code/DocsSample/ArkWeb/ManageWebPageLoadBrowse/CustomizePageResp/entry/src/main/ets/pages/OnInterceptRequest_two.ets
index 4b3d0a5299f50c82cdd110eca8ed9fee2e47d153..bd06563ae79a431a6686eeccf645cc9e26eaabdd 100755
--- a/code/DocsSample/ArkWeb/ManageWebPageLoadBrowse/CustomizePageResp/entry/src/main/ets/pages/OnInterceptRequest_two.ets
+++ b/code/DocsSample/ArkWeb/ManageWebPageLoadBrowse/CustomizePageResp/entry/src/main/ets/pages/OnInterceptRequest_two.ets
@@ -13,6 +13,7 @@
  * limitations under the License.
  */
 
+// [Start build_response_resource_enable_gen]
 import { webview } from '@kit.ArkWeb';
 
 function resourceToString(resource: Resource) {
@@ -74,3 +75,4 @@ struct WebComponent {
     }
   }
 }
+// [End build_response_resource_enable_gen]
\ No newline at end of file
diff --git a/code/DocsSample/ArkWeb/ManageWebPageLoadBrowse/LoadPages/entry/src/main/ets/pages/LoadLocalPageFileInSandboxPath_one.ets b/code/DocsSample/ArkWeb/ManageWebPageLoadBrowse/LoadPages/entry/src/main/ets/pages/LoadLocalPageFileInSandboxPath_one.ets
index a95b79c366950b1ca436c5f385f3b0b5ae8f7a1e..2545aea0f8d01f1109809950f9297ce42a92b682 100755
--- a/code/DocsSample/ArkWeb/ManageWebPageLoadBrowse/LoadPages/entry/src/main/ets/pages/LoadLocalPageFileInSandboxPath_one.ets
+++ b/code/DocsSample/ArkWeb/ManageWebPageLoadBrowse/LoadPages/entry/src/main/ets/pages/LoadLocalPageFileInSandboxPath_one.ets
@@ -13,6 +13,7 @@
  * limitations under the License.
  */
 
+// [Start load_local_page_file_in_sandbox_path]
 import { webview } from '@kit.ArkWeb';
 import { GlobalContext } from './GlobalContext';
 
@@ -31,3 +32,4 @@ struct WebComponent {
     }
   }
 }
+// [End load_local_page_file_in_sandbox_path]
diff --git a/code/DocsSample/ArkWeb/ManageWebPageLoadBrowse/LoadPages/entry/src/main/ets/pages/LoadLocalPageFileInSandboxPath_two.ets b/code/DocsSample/ArkWeb/ManageWebPageLoadBrowse/LoadPages/entry/src/main/ets/pages/LoadLocalPageFileInSandboxPath_two.ets
index c85ba6a2e277da624eb8d9260b84edd1debda016..7e78e47a0575fe6581b4534dd9a321a2daaa3a25 100755
--- a/code/DocsSample/ArkWeb/ManageWebPageLoadBrowse/LoadPages/entry/src/main/ets/pages/LoadLocalPageFileInSandboxPath_two.ets
+++ b/code/DocsSample/ArkWeb/ManageWebPageLoadBrowse/LoadPages/entry/src/main/ets/pages/LoadLocalPageFileInSandboxPath_two.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start web_components_load_html_strings_by_data_url]
 import { webview } from '@kit.ArkWeb';
 import { BusinessError } from '@kit.BasicServicesKit';
 
@@ -29,3 +29,4 @@ struct WebComponent {
     }
   }
 }
+// [End web_components_load_html_strings_by_data_url]
diff --git a/code/DocsSample/ArkWeb/ManageWebPageLoadBrowse/LoadPages/entry/src/main/ets/pages/LoadingHTMLRichTextData.ets b/code/DocsSample/ArkWeb/ManageWebPageLoadBrowse/LoadPages/entry/src/main/ets/pages/LoadingHTMLRichTextData.ets
index 826021cc5c3417b5ee5a622c349434e13e107d3d..ed142efe47f184b1ecf781055df3dd5075947329 100755
--- a/code/DocsSample/ArkWeb/ManageWebPageLoadBrowse/LoadPages/entry/src/main/ets/pages/LoadingHTMLRichTextData.ets
+++ b/code/DocsSample/ArkWeb/ManageWebPageLoadBrowse/LoadPages/entry/src/main/ets/pages/LoadingHTMLRichTextData.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start devs_load_page_fragments_for_quick_loading]
 import { webview } from '@kit.ArkWeb';
 import { BusinessError } from '@kit.BasicServicesKit';
 
@@ -41,3 +41,4 @@ struct WebComponent {
     }
   }
 }
+// [End devs_load_page_fragments_for_quick_loading]
\ No newline at end of file
diff --git a/code/DocsSample/ArkWeb/ManageWebPageLoadBrowse/LoadPages/entry/src/main/ets/pages/LoadingLocalPages.ets b/code/DocsSample/ArkWeb/ManageWebPageLoadBrowse/LoadPages/entry/src/main/ets/pages/LoadingLocalPages.ets
index aa7357bd6e6bb6297aef2ca2de635ba05461b7bf..a09d901e5a4cef6530958ef001c7721973f0784e 100755
--- a/code/DocsSample/ArkWeb/ManageWebPageLoadBrowse/LoadPages/entry/src/main/ets/pages/LoadingLocalPages.ets
+++ b/code/DocsSample/ArkWeb/ManageWebPageLoadBrowse/LoadPages/entry/src/main/ets/pages/LoadingLocalPages.ets
@@ -13,6 +13,8 @@
  * limitations under the License.
  */
 
+
+// [Start after_load_complete_call_to_change_page]
 import { webview } from '@kit.ArkWeb';
 import { BusinessError } from '@kit.BasicServicesKit';
 
@@ -36,4 +38,5 @@ struct WebComponent {
       Web({ src: $rawfile('local.html'), controller: this.controller });
     }
   }
-}
\ No newline at end of file
+}
+// [End after_load_complete_call_to_change_page]
\ No newline at end of file
diff --git a/code/DocsSample/ArkWeb/ManageWebPageLoadBrowse/LoadPages/entry/src/main/ets/pages/LoadingWebPages.ets b/code/DocsSample/ArkWeb/ManageWebPageLoadBrowse/LoadPages/entry/src/main/ets/pages/LoadingWebPages.ets
index 28abb21e0386a29a6c4c133ac28fc3536e8ca445..bd01e1ff1cb2a311b0a0a4bd3538a409c7b85584 100755
--- a/code/DocsSample/ArkWeb/ManageWebPageLoadBrowse/LoadPages/entry/src/main/ets/pages/LoadingWebPages.ets
+++ b/code/DocsSample/ArkWeb/ManageWebPageLoadBrowse/LoadPages/entry/src/main/ets/pages/LoadingWebPages.ets
@@ -13,6 +13,7 @@
  * limitations under the License.
  */
 
+// [Start use_load_interface_to_show_web_changes]
 import { webview } from '@kit.ArkWeb';
 import { BusinessError } from '@kit.BasicServicesKit';
 
@@ -36,4 +37,5 @@ struct WebComponent {
       Web({ src: 'www.example.com', controller: this.controller });
     }
   }
-}
\ No newline at end of file
+}
+// [End use_load_interface_to_show_web_changes]
\ No newline at end of file
diff --git a/code/DocsSample/ArkWeb/ProcessWebPageCont/entry/src/main/ets/pages/CalcAdjustSafeArea.ets b/code/DocsSample/ArkWeb/ProcessWebPageCont/entry/src/main/ets/pages/CalcAdjustSafeArea.ets
index f2e0e972c8c328d93ba38add78c67350b50c9986..ddce0c96a410e396c1f2ff0d722b95bc6c5dd62e 100755
--- a/code/DocsSample/ArkWeb/ProcessWebPageCont/entry/src/main/ets/pages/CalcAdjustSafeArea.ets
+++ b/code/DocsSample/ArkWeb/ProcessWebPageCont/entry/src/main/ets/pages/CalcAdjustSafeArea.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start use_expand_safe_area_to_enable_immersive_effect]
 import { webview } from '@kit.ArkWeb';
 
 @Entry
@@ -28,3 +28,4 @@ struct WebComponent {
     }
   }
 }
+// [End use_expand_safe_area_to_enable_immersive_effect]
diff --git a/code/DocsSample/ArkWeb/UseOfflineWebComp/entry/src/main/ets/entryability/EntryAbility.ets b/code/DocsSample/ArkWeb/UseOfflineWebComp/entry/src/main/ets/entryability/EntryAbility.ets
index c3a1c8a89fcc4cc1dfb9ef6b5ff4627253d98e9c..e068627fdb8ccf3a802397acd80615974d1e4243 100755
--- a/code/DocsSample/ArkWeb/UseOfflineWebComp/entry/src/main/ets/entryability/EntryAbility.ets
+++ b/code/DocsSample/ArkWeb/UseOfflineWebComp/entry/src/main/ets/entryability/EntryAbility.ets
@@ -13,10 +13,12 @@
  * limitations under the License.
  */
 
+
+import { createNWeb } from "../pages/common";
 import { AbilityConstant, UIAbility, Want } from '@kit.AbilityKit';
 import { hilog } from '@kit.PerformanceAnalysisKit';
 import { window } from '@kit.ArkUI';
-import { createNWeb } from "../pages/common";
+
 
 export default class EntryAbility extends UIAbility {
   onCreate(want: Want, launchParam: AbilityConstant.LaunchParam): void {
@@ -26,16 +28,17 @@ export default class EntryAbility extends UIAbility {
   onDestroy(): void {
     hilog.info(0x0000, 'testTag', '%{public}s', 'Ability onDestroy');
   }
-
+  // [Start entry_ability_window_stage_created_after_specified_page_loaded]
   onWindowStageCreate(windowStage: window.WindowStage): void {
     windowStage.loadContent('pages/Index', (err, data) => {
-      // 创建Web动态组件（需传入UIContext），loadContent之后的任意时机均可创建
-      createNWeb('www.example.com', windowStage.getMainWindowSync().getUIContext());
+      // 创建空的Web动态组件（需传入UIContext），loadContent之后的任意时机均可创建
+      createNWeb("about：blank", windowStage.getMainWindowSync().getUIContext());
       if (err.code) {
         return;
       }
     });
   }
+  // [End entry_ability_window_stage_created_after_specified_page_loaded]
 
   onWindowStageDestroy(): void {
     // Main window is destroyed, release UI related resources
diff --git a/code/DocsSample/ArkWeb/UseOfflineWebComp/entry/src/main/ets/pages/Index.ets b/code/DocsSample/ArkWeb/UseOfflineWebComp/entry/src/main/ets/pages/Index.ets
index c20b0ca45f214c883dceccc5ce7ba30adbae6a5b..05172de125ec81709abfc50f85fa99c9d6b794bf 100755
--- a/code/DocsSample/ArkWeb/UseOfflineWebComp/entry/src/main/ets/pages/Index.ets
+++ b/code/DocsSample/ArkWeb/UseOfflineWebComp/entry/src/main/ets/pages/Index.ets
@@ -15,6 +15,7 @@
 
 // 使用NodeController的Page页
 // Index.ets
+// [Start nodeContainer_bind_controller_to_show_dynamic_pages]
 import { getNWeb } from './common'
 @Entry
 @Component
@@ -33,3 +34,5 @@ struct Index {
     .height('100%')
   }
 }
+// [End nodeContainer_bind_controller_to_show_dynamic_pages]
+
diff --git a/code/DocsSample/ArkWeb/UseOfflineWebComp/entry/src/main/ets/pages/common.ets b/code/DocsSample/ArkWeb/UseOfflineWebComp/entry/src/main/ets/pages/common.ets
index e22c3cd336dec67549ce52b69cb2f0ca33bed47a..6c4e209e7d580ac2a3b1c4996ea63324f1a31177 100755
--- a/code/DocsSample/ArkWeb/UseOfflineWebComp/entry/src/main/ets/pages/common.ets
+++ b/code/DocsSample/ArkWeb/UseOfflineWebComp/entry/src/main/ets/pages/common.ets
@@ -13,8 +13,9 @@
  * limitations under the License.
  */
 
+
+// [Start manage_dynamic_webview_components_in_harmonyos_app]
 // 创建NodeController
-// common.ets
 import { UIContext, NodeController, BuilderNode, Size, FrameNode } from '@kit.ArkUI';
 import { webview } from '@kit.ArkWeb';
 
@@ -96,3 +97,4 @@ export const createNWeb = (url: ResourceStr, uiContext: UIContext) => {
 export const getNWeb = (url: ResourceStr) : MyNodeController | undefined => {
   return nodeMap.get(url);
 }
+// [End manage_dynamic_webview_components_in_harmonyos_app]
\ No newline at end of file
diff --git a/code/DocsSample/ArkWeb/UseOfflineWebComp/entry1/src/main/ets/entry1ability/Entry1Ability.ets b/code/DocsSample/ArkWeb/UseOfflineWebComp/entry1/src/main/ets/entry1ability/Entry1Ability.ets
index 552e7abe0be2b36dae4a85f53b50f532b6e487e3..844f1ef14f1d64eee187fd2001a56d07b125def9 100755
--- a/code/DocsSample/ArkWeb/UseOfflineWebComp/entry1/src/main/ets/entry1ability/Entry1Ability.ets
+++ b/code/DocsSample/ArkWeb/UseOfflineWebComp/entry1/src/main/ets/entry1ability/Entry1Ability.ets
@@ -27,6 +27,7 @@ export default class Entry1Ability extends UIAbility {
     hilog.info(0x0000, 'testTag', '%{public}s', 'Ability onDestroy');
   }
 
+  // [Start entry_ability_window_stage_created_after_page_loaded]
   onWindowStageCreate(windowStage: window.WindowStage): void {
     windowStage.loadContent('pages/Index', (err, data) => {
       // 创建空的Web动态组件（需传入UIContext），loadContent之后的任意时机均可创建
@@ -36,6 +37,7 @@ export default class Entry1Ability extends UIAbility {
       }
     });
   }
+  // [End entry_ability_window_stage_created_after_page_loaded]
 
   onWindowStageDestroy(): void {
     // Main window is destroyed, release UI related resources
diff --git a/code/DocsSample/ArkWeb/UseOfflineWebComp/entry1/src/main/ets/pages/Index.ets b/code/DocsSample/ArkWeb/UseOfflineWebComp/entry1/src/main/ets/pages/Index.ets
index 9f0948d444e9663cc5fb98c226c178b5821452e9..ef124adf169069c2e98e8ddd3ca4de8efca7ad0e 100755
--- a/code/DocsSample/ArkWeb/UseOfflineWebComp/entry1/src/main/ets/pages/Index.ets
+++ b/code/DocsSample/ArkWeb/UseOfflineWebComp/entry1/src/main/ets/pages/Index.ets
@@ -13,6 +13,7 @@
  * limitations under the License.
  */
 
+// [Start navigate_to_web_page_pre_start_webview_load]
 import router from '@ohos.router';
 import { webview } from '@kit.ArkWeb';
 
@@ -32,3 +33,4 @@ struct Index1 {
     }
   }
 }
+// [End navigate_to_web_page_pre_start_webview_load]
diff --git a/code/DocsSample/ArkWeb/UseOfflineWebComp/entry1/src/main/ets/pages/common.ets b/code/DocsSample/ArkWeb/UseOfflineWebComp/entry1/src/main/ets/pages/common.ets
index 999e9909b658c07ec2a2fbf3e3f8a47d4b79a31d..8aafa42d13cd439091297bc55dcebd92c0d60b81 100755
--- a/code/DocsSample/ArkWeb/UseOfflineWebComp/entry1/src/main/ets/pages/common.ets
+++ b/code/DocsSample/ArkWeb/UseOfflineWebComp/entry1/src/main/ets/pages/common.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start manage_dynamic_webview_components_in_harmonyos]
 // 创建NodeController
 import { UIContext, NodeController, BuilderNode, Size, FrameNode } from '@kit.ArkUI';
 import { webview } from '@kit.ArkWeb';
@@ -95,3 +95,4 @@ export const createNWeb = (url: ResourceStr, uiContext: UIContext) => {
 export const getNWeb = (url: ResourceStr) : MyNodeController | undefined => {
   return nodeMap.get(url);
 }
+// [End manage_dynamic_webview_components_in_harmonyos]
\ No newline at end of file
diff --git a/code/DocsSample/ArkWeb/UseOfflineWebComp/entry1/src/main/ets/pages/index2.ets b/code/DocsSample/ArkWeb/UseOfflineWebComp/entry1/src/main/ets/pages/index2.ets
index 46b3ca95cbd8a28de2800255aa05a0aae127029a..61785eaeb4c341c8eefcbceb2d098e881e6b2f0e 100755
--- a/code/DocsSample/ArkWeb/UseOfflineWebComp/entry1/src/main/ets/pages/index2.ets
+++ b/code/DocsSample/ArkWeb/UseOfflineWebComp/entry1/src/main/ets/pages/index2.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start nodeContainer_bind_controller_show_dynamic_pages]
 import web_webview from '@ohos.web.webview';
 
 @Entry
@@ -32,3 +32,4 @@ struct index2 {
     .height('100%')
   }
 }
+// [End nodeContainer_bind_controller_show_dynamic_pages]
\ No newline at end of file
diff --git a/code/DocsSample/ArkWeb/UseOfflineWebComp/entry2/src/main/ets/pages/common.ets b/code/DocsSample/ArkWeb/UseOfflineWebComp/entry2/src/main/ets/pages/common.ets
index 82c5f1fb98ff97fe063a39c14a5278b239f9b7e6..b424a64654a46ca42b5cc3c8f2bb96feec8cb46e 100755
--- a/code/DocsSample/ArkWeb/UseOfflineWebComp/entry2/src/main/ets/pages/common.ets
+++ b/code/DocsSample/ArkWeb/UseOfflineWebComp/entry2/src/main/ets/pages/common.ets
@@ -26,6 +26,7 @@ class Data{
 }
 // 通过布尔变量shouldInactive控制网页在后台完成预渲染后停止渲染
 let shouldInactive: boolean = true;
+// [Start call_onActive_method_to_pre_render_offline_web_component]
 @Builder
 function webBuilder(data:Data) {
   Column() {
@@ -34,6 +35,7 @@ function webBuilder(data:Data) {
         // 调用onActive，开启渲染
         data.controller.onActive();
       })
+      // [StartExclude call_onActive_method_to_pre_render_offline_web_component]
       .onFirstMeaningfulPaint(() =>{
         if (!shouldInactive) {
           return;
@@ -42,10 +44,12 @@ function webBuilder(data:Data) {
         data.controller.onInactive();
         shouldInactive = false;
       })
+      // [EndExclude call_onActive_method_to_pre_render_offline_web_component]
       .width('100%')
       .height('100%')
   }
 }
+// [End call_onActive_method_to_pre_render_offline_web_component]
 let wrap = wrapBuilder<Data[]>(webBuilder);
 // 用于控制和反馈对应的NodeContianer上的节点的行为，需要与NodeContainer一起使用
 export class MyNodeController extends NodeController {
diff --git a/code/DocsSample/ArkWeb/UseOfflineWebComp/entry2/src/main/module.json5 b/code/DocsSample/ArkWeb/UseOfflineWebComp/entry2/src/main/module.json5
index c795511fa6f3e59972d74471cb44c0b9a91f67af..d40d6d37db59942f8af3cc8f227100af64ae200a 100755
--- a/code/DocsSample/ArkWeb/UseOfflineWebComp/entry2/src/main/module.json5
+++ b/code/DocsSample/ArkWeb/UseOfflineWebComp/entry2/src/main/module.json5
@@ -42,6 +42,6 @@
       {
         "name" : "ohos.permission.INTERNET"
       }
-    ]
+    ],
   }
 }
\ No newline at end of file
diff --git a/code/DocsSample/ArkWeb/UseOfflineWebComp/oh-package-lock.json5 b/code/DocsSample/ArkWeb/UseOfflineWebComp/oh-package-lock.json5
new file mode 100644
index 0000000000000000000000000000000000000000..205c6cfd4d8cc03127a8a61d9c533f230e8ad80b
--- /dev/null
+++ b/code/DocsSample/ArkWeb/UseOfflineWebComp/oh-package-lock.json5
@@ -0,0 +1,27 @@
+{
+  "meta": {
+    "stableOrder": true
+  },
+  "lockfileVersion": 3,
+  "ATTENTION": "THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.",
+  "specifiers": {
+    "@ohos/hamock@1.0.0": "@ohos/hamock@1.0.0",
+    "@ohos/hypium@1.0.19": "@ohos/hypium@1.0.19"
+  },
+  "packages": {
+    "@ohos/hamock@1.0.0": {
+      "name": "@ohos/hamock",
+      "version": "1.0.0",
+      "integrity": "sha512-K6lDPYc6VkKe6ZBNQa9aoG+ZZMiwqfcR/7yAVFSUGIuOAhPvCJAo9+t1fZnpe0dBRBPxj2bxPPbKh69VuyAtDg==",
+      "resolved": "https://ohpm.openharmony.cn/ohpm/@ohos/hamock/-/hamock-1.0.0.har",
+      "registryType": "ohpm"
+    },
+    "@ohos/hypium@1.0.19": {
+      "name": "@ohos/hypium",
+      "version": "1.0.19",
+      "integrity": "sha512-cEjDgLFCm3cWZDeRXk7agBUkPqjWxUo6AQeiu0gEkb3J8ESqlduQLSIXeo3cCsm8U/asL7iKjF85ZyOuufAGSQ==",
+      "resolved": "https://ohpm.openharmony.cn/ohpm/@ohos/hypium/-/hypium-1.0.19.har",
+      "registryType": "ohpm"
+    }
+  }
+}
\ No newline at end of file
diff --git a/code/DocsSample/ArkWeb/UsingWebMultimedia/entry/src/main/ets/pages/Index.ets b/code/DocsSample/ArkWeb/UsingWebMultimedia/entry/src/main/ets/pages/Index.ets
index d9f86c4892e289b89e1063b4ab3a82ffbd1d786c..b45e3d66fd7b5dde9c59b5a4ed3d769871ef8aa1 100755
--- a/code/DocsSample/ArkWeb/UsingWebMultimedia/entry/src/main/ets/pages/Index.ets
+++ b/code/DocsSample/ArkWeb/UsingWebMultimedia/entry/src/main/ets/pages/Index.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start click_button_to_turn_on_camera_microphone]
 import { webview } from '@kit.ArkWeb';
 import { BusinessError } from '@kit.BasicServicesKit';
 import { abilityAccessCtrl } from '@kit.AbilityKit';
@@ -66,3 +66,4 @@ struct WebComponent {
     }
   }
 }
+// [End click_button_to_turn_on_camera_microphone]
\ No newline at end of file
diff --git a/code/DocsSample/ArkWeb/UsingWebMultimedia/entry2/src/main/ets/entry2ability/Entry2Ability.ets b/code/DocsSample/ArkWeb/UsingWebMultimedia/entry2/src/main/ets/entry2ability/Entry2Ability.ets
index 97f049833e8038360416009c62f83cdeb08cca19..413af92ba3a610c2332fae4f9ae6c45f8cefb2c0 100755
--- a/code/DocsSample/ArkWeb/UsingWebMultimedia/entry2/src/main/ets/entry2ability/Entry2Ability.ets
+++ b/code/DocsSample/ArkWeb/UsingWebMultimedia/entry2/src/main/ets/entry2ability/Entry2Ability.ets
@@ -12,12 +12,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+import { hilog } from '@kit.PerformanceAnalysisKit';
 
 import { AbilityConstant, UIAbility, Want } from '@kit.AbilityKit';
-import { hilog } from '@kit.PerformanceAnalysisKit';
+// [Start allow_subsequent_rendering_to_use_ui]
 import { window } from '@kit.ArkUI';
 
 export default class Entry2Ability extends UIAbility {
+  // [StartExclude allow_subsequent_rendering_to_use_ui]
   onCreate(want: Want, launchParam: AbilityConstant.LaunchParam): void {
     hilog.info(0x0000, 'testTag', '%{public}s', 'Ability onCreate');
   }
@@ -25,7 +27,7 @@ export default class Entry2Ability extends UIAbility {
   onDestroy(): void {
     hilog.info(0x0000, 'testTag', '%{public}s', 'Ability onDestroy');
   }
-
+  // [EndExclude allow_subsequent_rendering_to_use_ui]
   onWindowStageCreate(windowStage: window.WindowStage): void {
     windowStage.loadContent('pages/Index', (err, data) => {
       if (err.code) {
@@ -35,7 +37,7 @@ export default class Entry2Ability extends UIAbility {
       AppStorage.setOrCreate<UIContext>('UIContext', windowStage.getMainWindowSync().getUIContext());
     });
   }
-
+  // [StartExclude allow_subsequent_rendering_to_use_ui]
   onWindowStageDestroy(): void {
     // Main window is destroyed, release UI related resources
     hilog.info(0x0000, 'testTag', '%{public}s', 'Ability onWindowStageDestroy');
@@ -50,4 +52,6 @@ export default class Entry2Ability extends UIAbility {
     // Ability has back to background
     hilog.info(0x0000, 'testTag', '%{public}s', 'Ability onBackground');
   }
+  // [EndExclude allow_subsequent_rendering_to_use_ui]
 }
+// [End allow_subsequent_rendering_to_use_ui]
\ No newline at end of file
diff --git a/code/DocsSample/ArkWeb/UsingWebMultimedia/entry2/src/main/ets/pages/Index.ets b/code/DocsSample/ArkWeb/UsingWebMultimedia/entry2/src/main/ets/pages/Index.ets
index ef722e663e39bcbf1377d773c4e023d0670d738a..778738e0706c4c442912054d962bba8ed41935cb 100755
--- a/code/DocsSample/ArkWeb/UsingWebMultimedia/entry2/src/main/ets/pages/Index.ets
+++ b/code/DocsSample/ArkWeb/UsingWebMultimedia/entry2/src/main/ets/pages/Index.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start video_hosting_usage]
 import { webview } from '@kit.ArkWeb';
 import { BuilderNode, FrameNode, NodeController, NodeRenderType, UIContext } from '@kit.ArkUI';
 import { AVPlayerDemo, AVPlayerListener } from './PlayerDemo';
@@ -465,3 +465,4 @@ struct WebComponent {
     return this.nativePlayerInfoList.find((item)=> item.embedId == embedId);
   }
 }
+// [End video_hosting_usage]
\ No newline at end of file
diff --git a/code/DocsSample/Security/CryptoArchitectureKit/KeyDerivation/HKDFDerivation/entry/src/main/ets/pages/Await.ets b/code/DocsSample/Security/CryptoArchitectureKit/KeyDerivation/HKDFDerivation/entry/src/main/ets/pages/Await.ets
index 827b06c68efe94ec79bb53d1713dd50a8375a5f3..0f99919369f5aaef39759b937f8bfe7e45854a59 100755
--- a/code/DocsSample/Security/CryptoArchitectureKit/KeyDerivation/HKDFDerivation/entry/src/main/ets/pages/Await.ets
+++ b/code/DocsSample/Security/CryptoArchitectureKit/KeyDerivation/HKDFDerivation/entry/src/main/ets/pages/Await.ets
@@ -13,6 +13,8 @@
  * limitations under the License.
  */
 
+// [Start use_hkdf_for_key_derivation_await]
+
 import { cryptoFramework } from '@kit.CryptoArchitectureKit';
 import { buffer } from '@kit.ArkTS';
 
@@ -31,7 +33,7 @@ async function kdfAwait() {
   let secret = await kdf.generateSecret(spec);
   console.info('key derivation output is ' + secret.data);
 }
-
+// [End use_hkdf_for_key_derivation_await]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/CryptoArchitectureKit/KeyDerivation/HKDFDerivation/entry/src/main/ets/pages/Promise.ets b/code/DocsSample/Security/CryptoArchitectureKit/KeyDerivation/HKDFDerivation/entry/src/main/ets/pages/Promise.ets
index d4222fbff82e780cfebb6b97a0e61496c826f9d8..59080c5cb328cba784c6c704caac3416dbf28c17 100755
--- a/code/DocsSample/Security/CryptoArchitectureKit/KeyDerivation/HKDFDerivation/entry/src/main/ets/pages/Promise.ets
+++ b/code/DocsSample/Security/CryptoArchitectureKit/KeyDerivation/HKDFDerivation/entry/src/main/ets/pages/Promise.ets
@@ -13,6 +13,8 @@
  * limitations under the License.
  */
 
+// [Start use_hkdf_for_key_derivation_promise]
+
 import { cryptoFramework } from '@kit.CryptoArchitectureKit';
 import { BusinessError } from '@kit.BasicServicesKit';
 import { buffer } from '@kit.ArkTS';
@@ -37,6 +39,7 @@ function kdfPromise() {
   });
 }
 
+// [End use_hkdf_for_key_derivation_promise]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/CryptoArchitectureKit/KeyDerivation/HKDFDerivation/entry/src/main/ets/pages/Sync.ets b/code/DocsSample/Security/CryptoArchitectureKit/KeyDerivation/HKDFDerivation/entry/src/main/ets/pages/Sync.ets
index 27285f67ce3491abf5762a314f6576081b403d70..87e344284cec6c344570a83b3fc95d6100cef249 100755
--- a/code/DocsSample/Security/CryptoArchitectureKit/KeyDerivation/HKDFDerivation/entry/src/main/ets/pages/Sync.ets
+++ b/code/DocsSample/Security/CryptoArchitectureKit/KeyDerivation/HKDFDerivation/entry/src/main/ets/pages/Sync.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start use_hkdf_for_key_derivation_sync]
 import { cryptoFramework } from '@kit.CryptoArchitectureKit';
 import { buffer } from '@kit.ArkTS';
 
@@ -32,6 +32,7 @@ function kdfSync() {
   console.info('[Sync]key derivation output is ' + secret.data);
 }
 
+// [End use_hkdf_for_key_derivation_sync]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/CryptoArchitectureKit/KeyDerivation/PBKDF2Derivation/entry/src/main/ets/pages/Await.ets b/code/DocsSample/Security/CryptoArchitectureKit/KeyDerivation/PBKDF2Derivation/entry/src/main/ets/pages/Await.ets
index 043464ce92dc7b1ce171df8d3dcd57c0579f4ed8..4a23ae51e49cb46def42dcd45e9d543d03d1dcd0 100755
--- a/code/DocsSample/Security/CryptoArchitectureKit/KeyDerivation/PBKDF2Derivation/entry/src/main/ets/pages/Await.ets
+++ b/code/DocsSample/Security/CryptoArchitectureKit/KeyDerivation/PBKDF2Derivation/entry/src/main/ets/pages/Await.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start use_pbkdf2_for_key_derivation_await]
 import { cryptoFramework } from '@kit.CryptoArchitectureKit';
 
 async function kdfAwait() {
@@ -28,6 +28,8 @@ async function kdfAwait() {
   console.info('key derivation output is ' + secret.data);
 }
 
+// [End use_pbkdf2_for_key_derivation_await]
+
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/CryptoArchitectureKit/KeyDerivation/PBKDF2Derivation/entry/src/main/ets/pages/Promise.ets b/code/DocsSample/Security/CryptoArchitectureKit/KeyDerivation/PBKDF2Derivation/entry/src/main/ets/pages/Promise.ets
index e41b03f51f82115b465aec7ff5a9b3d58c4aa40f..17b97190db12fbb2a853df93f75b74ad2c164fb9 100755
--- a/code/DocsSample/Security/CryptoArchitectureKit/KeyDerivation/PBKDF2Derivation/entry/src/main/ets/pages/Promise.ets
+++ b/code/DocsSample/Security/CryptoArchitectureKit/KeyDerivation/PBKDF2Derivation/entry/src/main/ets/pages/Promise.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start use_pbkdf2_for_key_derivation_promise]
 import { cryptoFramework } from '@kit.CryptoArchitectureKit';
 import { BusinessError } from '@kit.BasicServicesKit';
 
@@ -32,7 +32,7 @@ function kdfPromise() {
     console.error('key derivation error.');
   });
 }
-
+// [End use_pbkdf2_for_key_derivation_promise]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/CryptoArchitectureKit/KeyDerivation/PBKDF2Derivation/entry/src/main/ets/pages/Sync.ets b/code/DocsSample/Security/CryptoArchitectureKit/KeyDerivation/PBKDF2Derivation/entry/src/main/ets/pages/Sync.ets
index eec7a22fb2565cad382fb9cdee63389e4c2eafe6..f259312c81dfd9ab1aa5efc1402bf15dda7f1ca0 100755
--- a/code/DocsSample/Security/CryptoArchitectureKit/KeyDerivation/PBKDF2Derivation/entry/src/main/ets/pages/Sync.ets
+++ b/code/DocsSample/Security/CryptoArchitectureKit/KeyDerivation/PBKDF2Derivation/entry/src/main/ets/pages/Sync.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start use_pbkdf2_for_key_derivation_sync]
 import { cryptoFramework } from '@kit.CryptoArchitectureKit';
 
 function kdfSync() {
@@ -28,6 +28,7 @@ function kdfSync() {
   console.info('[Sync]key derivation output is ' + secret.data);
 }
 
+// [End use_pbkdf2_for_key_derivation_sync]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/CryptoArchitectureKit/KeyNegotiation/entry/src/main/ets/pages/DH/DHAsync.ets b/code/DocsSample/Security/CryptoArchitectureKit/KeyNegotiation/entry/src/main/ets/pages/DH/DHAsync.ets
index ed556b1aaa51ac91215ab37d02970e5db63a26b9..efd5f7a3752cc49ea8a13cff2f3c5df9cfe02743 100755
--- a/code/DocsSample/Security/CryptoArchitectureKit/KeyNegotiation/entry/src/main/ets/pages/DH/DHAsync.ets
+++ b/code/DocsSample/Security/CryptoArchitectureKit/KeyNegotiation/entry/src/main/ets/pages/DH/DHAsync.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start use_dh_for_key_negotiation_async]
 import { cryptoFramework } from '@kit.CryptoArchitectureKit';
 
 async function dhAwait() {
@@ -34,6 +34,7 @@ async function dhAwait() {
     console.error('DH result is not equal');
   }
 }
+// [End use_dh_for_key_negotiation_async]
 
 @Entry
 @Component
diff --git a/code/DocsSample/Security/CryptoArchitectureKit/KeyNegotiation/entry/src/main/ets/pages/DH/DHSync.ets b/code/DocsSample/Security/CryptoArchitectureKit/KeyNegotiation/entry/src/main/ets/pages/DH/DHSync.ets
index adec491b67f0a96428baacfd355997d5da6558d6..1dad296c7279affb6cd964f28f26f174fda48177 100755
--- a/code/DocsSample/Security/CryptoArchitectureKit/KeyNegotiation/entry/src/main/ets/pages/DH/DHSync.ets
+++ b/code/DocsSample/Security/CryptoArchitectureKit/KeyNegotiation/entry/src/main/ets/pages/DH/DHSync.ets
@@ -13,6 +13,8 @@
  * limitations under the License.
  */
 
+
+// [Start use_dh_for_key_negotiation_sync]
 import { cryptoFramework } from '@kit.CryptoArchitectureKit';
 
 function dhAwait() {
@@ -34,7 +36,7 @@ function dhAwait() {
     console.error('DH result is not equal');
   }
 }
-
+// [End use_dh_for_key_negotiation_sync]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/CryptoArchitectureKit/KeyNegotiation/entry/src/main/ets/pages/ECDH/EDCHAsync.ets b/code/DocsSample/Security/CryptoArchitectureKit/KeyNegotiation/entry/src/main/ets/pages/ECDH/EDCHAsync.ets
index 8667db5eb4e28b90b6749b88f6e62c061a9a4b48..5dc035ea5d36da6dba48608e3c4052471f631725 100755
--- a/code/DocsSample/Security/CryptoArchitectureKit/KeyNegotiation/entry/src/main/ets/pages/ECDH/EDCHAsync.ets
+++ b/code/DocsSample/Security/CryptoArchitectureKit/KeyNegotiation/entry/src/main/ets/pages/ECDH/EDCHAsync.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+/// [Start use_ecdh_for_key_negotiation_async]
 import { cryptoFramework } from '@kit.CryptoArchitectureKit';
 
 async function ecdhAwait() {
@@ -44,6 +44,7 @@ async function ecdhAwait() {
   }
 }
 
+// [End use_ecdh_for_key_negotiation_async]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/CryptoArchitectureKit/KeyNegotiation/entry/src/main/ets/pages/ECDH/EDCHSync.ets b/code/DocsSample/Security/CryptoArchitectureKit/KeyNegotiation/entry/src/main/ets/pages/ECDH/EDCHSync.ets
index ee3f00e7e17b324dabb5cacabe14847859924694..edf1a0f7d102e83988d5731ea81f5126f2c613ff 100755
--- a/code/DocsSample/Security/CryptoArchitectureKit/KeyNegotiation/entry/src/main/ets/pages/ECDH/EDCHSync.ets
+++ b/code/DocsSample/Security/CryptoArchitectureKit/KeyNegotiation/entry/src/main/ets/pages/ECDH/EDCHSync.ets
@@ -13,6 +13,8 @@
  * limitations under the License.
  */
 
+// [Start use_ecdh_for_key_negotiation_sync]
+
 import { cryptoFramework } from '@kit.CryptoArchitectureKit';
 
 function ecdhAwait() {
@@ -44,6 +46,8 @@ function ecdhAwait() {
   }
 }
 
+// [End use_ecdh_for_key_negotiation_sync]
+
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/CryptoArchitectureKit/KeyNegotiation/entry/src/main/ets/pages/X25519/X25519Async.ets b/code/DocsSample/Security/CryptoArchitectureKit/KeyNegotiation/entry/src/main/ets/pages/X25519/X25519Async.ets
index 1be37d026c3936c0ef86851dedad4088baec9fa4..a320edc5a2446fcbb723f2a96c440fbf3c7af7c6 100755
--- a/code/DocsSample/Security/CryptoArchitectureKit/KeyNegotiation/entry/src/main/ets/pages/X25519/X25519Async.ets
+++ b/code/DocsSample/Security/CryptoArchitectureKit/KeyNegotiation/entry/src/main/ets/pages/X25519/X25519Async.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start use_x25519a_for_key_negotiation_async]
 import { cryptoFramework } from '@kit.CryptoArchitectureKit';
 
 async function x25519Await() {
@@ -41,7 +41,7 @@ async function x25519Await() {
     console.error('x25519 result is not equal');
   }
 }
-
+// [End use_x25519a_for_key_negotiation_async]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/CryptoArchitectureKit/KeyNegotiation/entry/src/main/ets/pages/X25519/X25519Sync.ets b/code/DocsSample/Security/CryptoArchitectureKit/KeyNegotiation/entry/src/main/ets/pages/X25519/X25519Sync.ets
index 93b2d229b7084826e4178407b688e502f7ab4de0..953a34d8c2783a94df1014e8526a86de0fcfb91a 100755
--- a/code/DocsSample/Security/CryptoArchitectureKit/KeyNegotiation/entry/src/main/ets/pages/X25519/X25519Sync.ets
+++ b/code/DocsSample/Security/CryptoArchitectureKit/KeyNegotiation/entry/src/main/ets/pages/X25519/X25519Sync.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start use_x25519a_for_key_negotiation_sync]
 import { cryptoFramework } from '@kit.CryptoArchitectureKit';
 
 function x25519Await() {
@@ -41,7 +41,7 @@ function x25519Await() {
     console.error('x25519 result is not equal');
   }
 }
-
+// [End use_x25519a_for_key_negotiation_sync]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/CryptoArchitectureKit/MessageAuthenticationCode/entry/src/main/ets/pages/HMACSegmentation/Async.ets b/code/DocsSample/Security/CryptoArchitectureKit/MessageAuthenticationCode/entry/src/main/ets/pages/HMACSegmentation/Async.ets
index 9b7ab53adb81e5666331e9c363be167fe20a0c9d..61b41b8f927206c5fb16a65b5c0c3276a308f195 100755
--- a/code/DocsSample/Security/CryptoArchitectureKit/MessageAuthenticationCode/entry/src/main/ets/pages/HMACSegmentation/Async.ets
+++ b/code/DocsSample/Security/CryptoArchitectureKit/MessageAuthenticationCode/entry/src/main/ets/pages/HMACSegmentation/Async.ets
@@ -13,6 +13,8 @@
  * limitations under the License.
  */
 
+// [Start message_authentication_code_calculation_hmac_one_time_incoming]
+
 import { cryptoFramework } from '@kit.CryptoArchitectureKit';
 import { buffer } from '@kit.ArkTS';
 
@@ -40,6 +42,8 @@ async function doHmac() {
   console.info('HMAC len:' + macLen);
 }
 
+// [End message_authentication_code_calculation_hmac_one_time_incoming]
+
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/CryptoArchitectureKit/MessageAuthenticationCode/entry/src/main/ets/pages/HMACSegmentation/Sync.ets b/code/DocsSample/Security/CryptoArchitectureKit/MessageAuthenticationCode/entry/src/main/ets/pages/HMACSegmentation/Sync.ets
index ea497d8f18d8dc3138c72f3dfbaeeab29b8b25ff..7fa0b1b7b499e951320ec72199868c5c1d1cf75f 100755
--- a/code/DocsSample/Security/CryptoArchitectureKit/MessageAuthenticationCode/entry/src/main/ets/pages/HMACSegmentation/Sync.ets
+++ b/code/DocsSample/Security/CryptoArchitectureKit/MessageAuthenticationCode/entry/src/main/ets/pages/HMACSegmentation/Sync.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start message_authentication_code_calculation_sync_one_time_incoming]
 import { cryptoFramework } from '@kit.CryptoArchitectureKit';
 import { buffer } from '@kit.ArkTS';
 
@@ -40,6 +40,8 @@ function doHmacBySync() {
   console.info('HMAC len:' + macLen);
 }
 
+// [End message_authentication_code_calculation_sync_one_time_incoming]
+
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/CryptoArchitectureKit/MessageAuthenticationCode/entry/src/main/ets/pages/HMACSingleTime/Async.ets b/code/DocsSample/Security/CryptoArchitectureKit/MessageAuthenticationCode/entry/src/main/ets/pages/HMACSingleTime/Async.ets
index a9f73fa472fed6ddbc9907a645d3a35c51cdba72..b3f63e65121dd26945fac0b8a99eff40efd6bdec 100755
--- a/code/DocsSample/Security/CryptoArchitectureKit/MessageAuthenticationCode/entry/src/main/ets/pages/HMACSingleTime/Async.ets
+++ b/code/DocsSample/Security/CryptoArchitectureKit/MessageAuthenticationCode/entry/src/main/ets/pages/HMACSingleTime/Async.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start message_authentication_code_calculated_as_fragmented_hmac_async]
 import { cryptoFramework } from '@kit.CryptoArchitectureKit';
 import { buffer } from '@kit.ArkTS';
 
@@ -46,6 +46,8 @@ async function doLoopHmac() {
   console.info('HMAC len:' + macLen);
 }
 
+
+// [End message_authentication_code_calculated_as_fragmented_hmac_async]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/CryptoArchitectureKit/MessageAuthenticationCode/entry/src/main/ets/pages/HMACSingleTime/Sync.ets b/code/DocsSample/Security/CryptoArchitectureKit/MessageAuthenticationCode/entry/src/main/ets/pages/HMACSingleTime/Sync.ets
index 52260466acbe0ceb73ed153c236a98bad41e4bc4..45fe02cfc8be73f24a856100a83aa7a4500a2f26 100755
--- a/code/DocsSample/Security/CryptoArchitectureKit/MessageAuthenticationCode/entry/src/main/ets/pages/HMACSingleTime/Sync.ets
+++ b/code/DocsSample/Security/CryptoArchitectureKit/MessageAuthenticationCode/entry/src/main/ets/pages/HMACSingleTime/Sync.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start message_authentication_code_calculated_as_fragmented_hmac_sync]
 import { cryptoFramework } from '@kit.CryptoArchitectureKit';
 import { buffer } from '@kit.ArkTS';
 
@@ -46,6 +46,8 @@ function doLoopHmacBySync() {
   console.info('HMAC len:' + macLen);
 }
 
+
+// [End message_authentication_code_calculated_as_fragmented_hmac_sync]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/CryptoArchitectureKit/MessageDigestComputation/entry/src/main/cpp/types/project/segmentation.cpp b/code/DocsSample/Security/CryptoArchitectureKit/MessageDigestComputation/entry/src/main/cpp/types/project/segmentation.cpp
index 77528e2039ef292540bb433f5af407c37851619f..fe193cfc526782c729eac653140cbb60479567b4 100755
--- a/code/DocsSample/Security/CryptoArchitectureKit/MessageDigestComputation/entry/src/main/cpp/types/project/segmentation.cpp
+++ b/code/DocsSample/Security/CryptoArchitectureKit/MessageDigestComputation/entry/src/main/cpp/types/project/segmentation.cpp
@@ -13,6 +13,8 @@
  * limitations under the License.
  */
 
+// [Start message_digest_calculation_segmented_digest_algorithm]
+
 #include <cstdlib>
 #include "CryptoArchitectureKit/crypto_common.h"
 #include "CryptoArchitectureKit/crypto_digest.h"
@@ -57,4 +59,6 @@ OH_Crypto_ErrCode doLoopMd()
     OH_Crypto_FreeDataBlob(&out);
     OH_DigestCrypto_Destroy(ctx);
     return ret;
-}
\ No newline at end of file
+}
+
+// [End message_digest_calculation_segmented_digest_algorithm]
\ No newline at end of file
diff --git a/code/DocsSample/Security/CryptoArchitectureKit/MessageDigestComputation/entry/src/main/cpp/types/project/singleTime.cpp b/code/DocsSample/Security/CryptoArchitectureKit/MessageDigestComputation/entry/src/main/cpp/types/project/singleTime.cpp
index 7e3e7d1af9ee2e3f441b7bdd0de195f25f17c4d1..eafdeeb714ab16f466e7d499353c9ea74f5f7eb7 100755
--- a/code/DocsSample/Security/CryptoArchitectureKit/MessageDigestComputation/entry/src/main/cpp/types/project/singleTime.cpp
+++ b/code/DocsSample/Security/CryptoArchitectureKit/MessageDigestComputation/entry/src/main/cpp/types/project/singleTime.cpp
@@ -13,6 +13,8 @@
  * limitations under the License.
  */
 
+// [Start message_digest_calculation_digest_algorithm_one_time_incoming]
+
 #include "CryptoArchitectureKit/crypto_common.h"
 #include "CryptoArchitectureKit/crypto_digest.h"
 #include <cstring>
@@ -44,4 +46,6 @@ OH_Crypto_ErrCode doTestMd()
     OH_Crypto_FreeDataBlob(&out);
     OH_DigestCrypto_Destroy(ctx);
     return ret;
-}
\ No newline at end of file
+}
+
+// [End message_digest_calculation_digest_algorithm_one_time_incoming]
\ No newline at end of file
diff --git a/code/DocsSample/Security/CryptoArchitectureKit/MessageDigestComputation/entry/src/main/ets/pages/segmentation/SegmentationAsync.ets b/code/DocsSample/Security/CryptoArchitectureKit/MessageDigestComputation/entry/src/main/ets/pages/segmentation/SegmentationAsync.ets
index d5d70502874245b556a02e2532585b2d4222e800..a4efb4f6785c7285cfeddcc7d382b68a04102e5f 100755
--- a/code/DocsSample/Security/CryptoArchitectureKit/MessageDigestComputation/entry/src/main/ets/pages/segmentation/SegmentationAsync.ets
+++ b/code/DocsSample/Security/CryptoArchitectureKit/MessageDigestComputation/entry/src/main/ets/pages/segmentation/SegmentationAsync.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start message_digest_calculation_segmented_digest_algorithm_async]
 import { cryptoFramework } from '@kit.CryptoArchitectureKit';
 import { buffer } from '@kit.ArkTS';
 
@@ -34,6 +34,7 @@ async function doLoopMd() {
   console.info('md len: ' + mdLen);
 }
 
+// [End message_digest_calculation_segmented_digest_algorithm_async]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/CryptoArchitectureKit/MessageDigestComputation/entry/src/main/ets/pages/segmentation/SegmentationSync.ets b/code/DocsSample/Security/CryptoArchitectureKit/MessageDigestComputation/entry/src/main/ets/pages/segmentation/SegmentationSync.ets
index cbb9e89b2929af12a4f3933a3b1dc862d155b4b0..5e9b58c59275beb3b0686d0ff4891fb1ec141ea2 100755
--- a/code/DocsSample/Security/CryptoArchitectureKit/MessageDigestComputation/entry/src/main/ets/pages/segmentation/SegmentationSync.ets
+++ b/code/DocsSample/Security/CryptoArchitectureKit/MessageDigestComputation/entry/src/main/ets/pages/segmentation/SegmentationSync.ets
@@ -13,6 +13,8 @@
  * limitations under the License.
  */
 
+// [Start message_digest_calculation_segmented_digest_algorithm_sync]
+
 import { cryptoFramework } from '@kit.CryptoArchitectureKit';
 import { buffer } from '@kit.ArkTS';
 
@@ -33,7 +35,7 @@ function doLoopMdBySync() {
   let mdLen = md.getMdLength();
   console.info('md len: ' + mdLen);
 }
-
+// [End message_digest_calculation_segmented_digest_algorithm_sync]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/CryptoArchitectureKit/MessageDigestComputation/entry/src/main/ets/pages/singleTime/SingleTimeAsync.ets b/code/DocsSample/Security/CryptoArchitectureKit/MessageDigestComputation/entry/src/main/ets/pages/singleTime/SingleTimeAsync.ets
index 8c048faa380df661cc84de1fa44668ab7ce563fc..c39fc8f1e362c0100c2603fb0e2ad641ee63e1f8 100755
--- a/code/DocsSample/Security/CryptoArchitectureKit/MessageDigestComputation/entry/src/main/ets/pages/singleTime/SingleTimeAsync.ets
+++ b/code/DocsSample/Security/CryptoArchitectureKit/MessageDigestComputation/entry/src/main/ets/pages/singleTime/SingleTimeAsync.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start message_digest_calculation_digest_algorithm_one_time_incoming_async]
 import { cryptoFramework } from '@kit.CryptoArchitectureKit';
 import { buffer } from '@kit.ArkTS';
 
@@ -28,6 +28,8 @@ async function doMd() {
   console.info('md len: ' + mdLen);
 }
 
+// [End message_digest_calculation_digest_algorithm_one_time_incoming_async]
+
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/CryptoArchitectureKit/MessageDigestComputation/entry/src/main/ets/pages/singleTime/SingleTimeSync.ets b/code/DocsSample/Security/CryptoArchitectureKit/MessageDigestComputation/entry/src/main/ets/pages/singleTime/SingleTimeSync.ets
index f1841e3ee2a38029295be83210b9518b8d3766ca..1f60f9e33afea390835bf5489c76d20516e7fdd6 100755
--- a/code/DocsSample/Security/CryptoArchitectureKit/MessageDigestComputation/entry/src/main/ets/pages/singleTime/SingleTimeSync.ets
+++ b/code/DocsSample/Security/CryptoArchitectureKit/MessageDigestComputation/entry/src/main/ets/pages/singleTime/SingleTimeSync.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start message_digest_calculation_digest_algorithm_one_time_incoming_sync]
 import { cryptoFramework } from '@kit.CryptoArchitectureKit';
 import { buffer } from '@kit.ArkTS';
 
@@ -27,7 +27,7 @@ function doMdBySync() {
   let mdLen = md.getMdLength();
   console.info('md len: ' + mdLen);
 }
-
+// [End message_digest_calculation_digest_algorithm_one_time_incoming_sync]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/CryptoArchitectureKit/SecureRandomNumberGeneration/entry/src/main/ets/pages/Index.ets b/code/DocsSample/Security/CryptoArchitectureKit/SecureRandomNumberGeneration/entry/src/main/ets/pages/Index.ets
index 56f37c9df1dcb325cea8a15793f9c5a38d3975e6..7bdacbcc1cbe564d9b4f5604f8589712a9020e35 100755
--- a/code/DocsSample/Security/CryptoArchitectureKit/SecureRandomNumberGeneration/entry/src/main/ets/pages/Index.ets
+++ b/code/DocsSample/Security/CryptoArchitectureKit/SecureRandomNumberGeneration/entry/src/main/ets/pages/Index.ets
@@ -12,6 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+// [Start secure_random_number_generation]
 
 import { cryptoFramework } from '@kit.CryptoArchitectureKit';
 import { BusinessError } from '@kit.BasicServicesKit';
@@ -41,6 +42,8 @@ async function doRand() {
   console.info('rand output:' + randOutput.data);
 }
 
+// [End secure_random_number_generation]
+
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/CryptoArchitectureKit/SignatureVerification/SigningSignatureVerification/entry/src/main/cpp/types/project/ecdsa_signature_verification.cpp b/code/DocsSample/Security/CryptoArchitectureKit/SignatureVerification/SigningSignatureVerification/entry/src/main/cpp/types/project/ecdsa_signature_verification.cpp
index 2eac147f35e13877318a4b3cc060772c50ddf075..d0ae1503c74b04b582272a5d42ee4d7d2688cd35 100755
--- a/code/DocsSample/Security/CryptoArchitectureKit/SignatureVerification/SigningSignatureVerification/entry/src/main/cpp/types/project/ecdsa_signature_verification.cpp
+++ b/code/DocsSample/Security/CryptoArchitectureKit/SignatureVerification/SigningSignatureVerification/entry/src/main/cpp/types/project/ecdsa_signature_verification.cpp
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start verify_signatures_with_ecdsa_keys_c]
 #include "signing_signature_verification.h"
 
 bool DoTestEcdsaSignature()
@@ -77,3 +77,4 @@ bool DoTestEcdsaSignature()
     OH_CryptoKeyPair_Destroy(keyPair);
     return res;
 }
+// [End verify_signatures_with_ecdsa_keys_c]
\ No newline at end of file
diff --git a/code/DocsSample/Security/CryptoArchitectureKit/SignatureVerification/SigningSignatureVerification/entry/src/main/cpp/types/project/sm2_signature_verification.cpp b/code/DocsSample/Security/CryptoArchitectureKit/SignatureVerification/SigningSignatureVerification/entry/src/main/cpp/types/project/sm2_signature_verification.cpp
index 425b5eddd2413bc718c17a5d5ddd3e8048b78741..c1e897b0de7b46f5131a868224d6ee0d9d1b545e 100755
--- a/code/DocsSample/Security/CryptoArchitectureKit/SignatureVerification/SigningSignatureVerification/entry/src/main/cpp/types/project/sm2_signature_verification.cpp
+++ b/code/DocsSample/Security/CryptoArchitectureKit/SignatureVerification/SigningSignatureVerification/entry/src/main/cpp/types/project/sm2_signature_verification.cpp
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start verify_signatures_with_sm2_key_pair_c]
 #include "signing_signature_verification.h"
 
 bool DoTestSm2Signature()
@@ -84,3 +84,5 @@ bool DoTestSm2Signature()
     OH_CryptoKeyPair_Destroy(keyPair);
     return res;
 }
+
+// [End verify_signatures_with_sm2_key_pair_c]
\ No newline at end of file
diff --git a/code/DocsSample/Security/CryptoArchitectureKit/SignatureVerification/SigningSignatureVerificationArkTs/entry/src/main/ets/pages/ecdsa_signature_verification/ecdsa_signature_verification_asynchronous.ets b/code/DocsSample/Security/CryptoArchitectureKit/SignatureVerification/SigningSignatureVerificationArkTs/entry/src/main/ets/pages/ecdsa_signature_verification/ecdsa_signature_verification_asynchronous.ets
index f31a122cd317a42f02c098f61116e14bbc73e9e5..6e103ba1f19eacbd9fc1bd14f32694c64d13922d 100755
--- a/code/DocsSample/Security/CryptoArchitectureKit/SignatureVerification/SigningSignatureVerificationArkTs/entry/src/main/ets/pages/ecdsa_signature_verification/ecdsa_signature_verification_asynchronous.ets
+++ b/code/DocsSample/Security/CryptoArchitectureKit/SignatureVerification/SigningSignatureVerificationArkTs/entry/src/main/ets/pages/ecdsa_signature_verification/ecdsa_signature_verification_asynchronous.ets
@@ -13,6 +13,8 @@
  * limitations under the License.
  */
 
+// [Start signature_verification_with_ecdsa_key_pair_ark_async]
+
 import { cryptoFramework } from '@kit.CryptoArchitectureKit';
 import { buffer } from '@kit.ArkTS';
 
@@ -52,6 +54,7 @@ async function main() {
   }
 }
 
+// [End signature_verification_with_ecdsa_key_pair_ark_async]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/CryptoArchitectureKit/SignatureVerification/SigningSignatureVerificationArkTs/entry/src/main/ets/pages/ecdsa_signature_verification/ecdsa_signature_verification_synchronous.ets b/code/DocsSample/Security/CryptoArchitectureKit/SignatureVerification/SigningSignatureVerificationArkTs/entry/src/main/ets/pages/ecdsa_signature_verification/ecdsa_signature_verification_synchronous.ets
index 8c011ab9229bc63b4782711c21cc08bd3f641c8f..8288f2ce2437fb1fb89a719412835a78bc958ff8 100755
--- a/code/DocsSample/Security/CryptoArchitectureKit/SignatureVerification/SigningSignatureVerificationArkTs/entry/src/main/ets/pages/ecdsa_signature_verification/ecdsa_signature_verification_synchronous.ets
+++ b/code/DocsSample/Security/CryptoArchitectureKit/SignatureVerification/SigningSignatureVerificationArkTs/entry/src/main/ets/pages/ecdsa_signature_verification/ecdsa_signature_verification_synchronous.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start signature_verification_with_ecdsa_key_pair_ark_sync]
 import { cryptoFramework } from '@kit.CryptoArchitectureKit';
 import { buffer } from '@kit.ArkTS';
 
@@ -52,6 +52,8 @@ function main() {
   }
 }
 
+
+// [End signature_verification_with_ecdsa_key_pair_ark_sync]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/CryptoArchitectureKit/SignatureVerification/SigningSignatureVerificationArkTs/entry/src/main/ets/pages/sm2_signature_verification/sm2_signature_verification_asynchronous.ets b/code/DocsSample/Security/CryptoArchitectureKit/SignatureVerification/SigningSignatureVerificationArkTs/entry/src/main/ets/pages/sm2_signature_verification/sm2_signature_verification_asynchronous.ets
index ba4b7a569dddc4d6a6b96f04592e61cf60f1a0bb..5f612bc7e67300d8ebc37916832996c15e211c7e 100755
--- a/code/DocsSample/Security/CryptoArchitectureKit/SignatureVerification/SigningSignatureVerificationArkTs/entry/src/main/ets/pages/sm2_signature_verification/sm2_signature_verification_asynchronous.ets
+++ b/code/DocsSample/Security/CryptoArchitectureKit/SignatureVerification/SigningSignatureVerificationArkTs/entry/src/main/ets/pages/sm2_signature_verification/sm2_signature_verification_asynchronous.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start use_the_sm2_key_pair_to_sign_and_verify_async]
 import { cryptoFramework } from '@kit.CryptoArchitectureKit';
 import { buffer } from '@kit.ArkTS';
 
@@ -52,6 +52,8 @@ async function main() {
   }
 }
 
+
+// [End use_the_sm2_key_pair_to_sign_and_verify_async]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/CryptoArchitectureKit/SignatureVerification/SigningSignatureVerificationArkTs/entry/src/main/ets/pages/sm2_signature_verification/sm2_signature_verification_synchronous.ets b/code/DocsSample/Security/CryptoArchitectureKit/SignatureVerification/SigningSignatureVerificationArkTs/entry/src/main/ets/pages/sm2_signature_verification/sm2_signature_verification_synchronous.ets
index 62e71435109d9b09f0c81612c229751c710e6c0b..3957b3ac729e0d6b26d75dd0aac37fc6e0035593 100755
--- a/code/DocsSample/Security/CryptoArchitectureKit/SignatureVerification/SigningSignatureVerificationArkTs/entry/src/main/ets/pages/sm2_signature_verification/sm2_signature_verification_synchronous.ets
+++ b/code/DocsSample/Security/CryptoArchitectureKit/SignatureVerification/SigningSignatureVerificationArkTs/entry/src/main/ets/pages/sm2_signature_verification/sm2_signature_verification_synchronous.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start use_the_sm2_key_pair_to_sign_and_verify_sync]
 import { cryptoFramework } from '@kit.CryptoArchitectureKit';
 import { buffer } from '@kit.ArkTS';
 
@@ -52,6 +52,8 @@ function main() {
   }
 }
 
+// [End use_the_sm2_key_pair_to_sign_and_verify_sync]
+
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/DataProtectionKit/DataProtection/entry/src/main/ets/pages/Index.ets b/code/DocsSample/Security/DataProtectionKit/DataProtection/entry/src/main/ets/pages/Index.ets
index b1d3fc7f39935b5987be6c263656d0a2deef0330..c7eb3bcab546d285802e39de2c060bc4c9c317ec 100755
--- a/code/DocsSample/Security/DataProtectionKit/DataProtection/entry/src/main/ets/pages/Index.ets
+++ b/code/DocsSample/Security/DataProtectionKit/DataProtection/entry/src/main/ets/pages/Index.ets
@@ -13,6 +13,8 @@
  * limitations under the License.
  */
 
+// [Start guidance_on_the_development_of_data_leakage_prevention_services]
+
 import { dlpPermission } from '@kit.DataProtectionKit';
 import { common, Want } from '@kit.AbilityKit';
 import { fileIo } from '@kit.CoreFileKit';
@@ -187,6 +189,9 @@ dlpPermission.isDLPFeatureProvided().then((res) => {
   console.error('error', (err as BusinessError).code, (err as BusinessError).message); // 失败报错
 });
 
+
+// [End guidance_on_the_development_of_data_leakage_prevention_services]
+
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/DeviceCertificateKit/CertificateAlgorithmLibrary/entry/src/main/ets/pages/CreateGetCertCrlObject.ets b/code/DocsSample/Security/DeviceCertificateKit/CertificateAlgorithmLibrary/entry/src/main/ets/pages/CreateGetCertCrlObject.ets
index c560f710edbf70c5184e06a129a51e3364e519ed..78139d93730138895fe7595f95358a65e10f358b 100755
--- a/code/DocsSample/Security/DeviceCertificateKit/CertificateAlgorithmLibrary/entry/src/main/ets/pages/CreateGetCertCrlObject.ets
+++ b/code/DocsSample/Security/DeviceCertificateKit/CertificateAlgorithmLibrary/entry/src/main/ets/pages/CreateGetCertCrlObject.ets
@@ -13,6 +13,9 @@
  * limitations under the License.
  */
 
+
+
+// [Start certificate_collection_and_certificate_revocation_list_collection_object_creation_and_acquisition]
 import { cert } from '@kit.DeviceCertificateKit';
 import { BusinessError } from '@kit.BasicServicesKit';
 import { util } from '@kit.ArkTS';
@@ -103,6 +106,8 @@ async function sample() {
   }
 }
 
+
+// [End certificate_collection_and_certificate_revocation_list_collection_object_creation_and_acquisition]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/DeviceCertificateKit/CertificateAlgorithmLibrary/entry/src/main/ets/pages/CreateParseVerifyCertObject.ets b/code/DocsSample/Security/DeviceCertificateKit/CertificateAlgorithmLibrary/entry/src/main/ets/pages/CreateParseVerifyCertObject.ets
index b782420c88a2aeb4ee3eb263ec2d24f81ce03c78..99b48021f1c4df36fa2c1500aa7ca1206daf11ca 100755
--- a/code/DocsSample/Security/DeviceCertificateKit/CertificateAlgorithmLibrary/entry/src/main/ets/pages/CreateParseVerifyCertObject.ets
+++ b/code/DocsSample/Security/DeviceCertificateKit/CertificateAlgorithmLibrary/entry/src/main/ets/pages/CreateParseVerifyCertObject.ets
@@ -13,6 +13,8 @@
  * limitations under the License.
  */
 
+// [Start certificate_object_creation_resolution_validation]
+
 import { cert } from '@kit.DeviceCertificateKit';
 import { BusinessError } from '@kit.BasicServicesKit';
 import { util } from '@kit.ArkTS';
@@ -84,6 +86,8 @@ function certSample(): void {
   });
 }
 
+
+// [End certificate_object_creation_resolution_validation]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/DeviceCertificateKit/CertificateAlgorithmLibrary/entry/src/main/ets/pages/CreateParseVerifyCertextensionObject.ets b/code/DocsSample/Security/DeviceCertificateKit/CertificateAlgorithmLibrary/entry/src/main/ets/pages/CreateParseVerifyCertextensionObject.ets
index 395b7256232cae553fb0ac5f06e591d1fc5a05de..10ae5d57719b9fbf2ef87901442da13a1f38f0c6 100755
--- a/code/DocsSample/Security/DeviceCertificateKit/CertificateAlgorithmLibrary/entry/src/main/ets/pages/CreateParseVerifyCertextensionObject.ets
+++ b/code/DocsSample/Security/DeviceCertificateKit/CertificateAlgorithmLibrary/entry/src/main/ets/pages/CreateParseVerifyCertextensionObject.ets
@@ -13,6 +13,9 @@
  * limitations under the License.
  */
 
+
+// [Start create_parse_validate_certificate_extension_info_objects]
+
 import { cert } from '@kit.DeviceCertificateKit';
 import { BusinessError } from '@kit.BasicServicesKit';
 import { util } from '@kit.ArkTS';
@@ -68,6 +71,7 @@ function certExtensionSample(): void {
 }
 
 
+// [End create_parse_validate_certificate_extension_info_objects]
 
 @Entry
 @Component
diff --git a/code/DocsSample/Security/DeviceCertificateKit/CertificateAlgorithmLibrary/entry/src/main/ets/pages/CreateParseVerifyCrlObject.ets b/code/DocsSample/Security/DeviceCertificateKit/CertificateAlgorithmLibrary/entry/src/main/ets/pages/CreateParseVerifyCrlObject.ets
index 51ec07c776883cba5911c7e00c9278d0d1bd239f..e43c16bd9c3b59fa5a1fd094aff7180f1cb5be5e 100755
--- a/code/DocsSample/Security/DeviceCertificateKit/CertificateAlgorithmLibrary/entry/src/main/ets/pages/CreateParseVerifyCrlObject.ets
+++ b/code/DocsSample/Security/DeviceCertificateKit/CertificateAlgorithmLibrary/entry/src/main/ets/pages/CreateParseVerifyCrlObject.ets
@@ -13,6 +13,9 @@
  * limitations under the License.
  */
 
+// [Start create_parse_verify_certificate_revocation_list_objects]
+
+
 import { cert } from '@kit.DeviceCertificateKit';
 import { cryptoFramework } from '@kit.CryptoArchitectureKit';
 import { BusinessError } from '@kit.BasicServicesKit';
@@ -172,6 +175,9 @@ function crlSample(): void {
   });
 }
 
+
+// [End create_parse_verify_certificate_revocation_list_objects]
+
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/DeviceCertificateKit/CertificateAlgorithmLibrary/entry/src/main/ets/pages/CreateTrustanchorFromP12.ets b/code/DocsSample/Security/DeviceCertificateKit/CertificateAlgorithmLibrary/entry/src/main/ets/pages/CreateTrustanchorFromP12.ets
index 4cded231313c55578f03189d332cad10e16a2a1c..ba8d960ff92b9edc4a7c3e4fc69ca0588410d439 100755
--- a/code/DocsSample/Security/DeviceCertificateKit/CertificateAlgorithmLibrary/entry/src/main/ets/pages/CreateTrustanchorFromP12.ets
+++ b/code/DocsSample/Security/DeviceCertificateKit/CertificateAlgorithmLibrary/entry/src/main/ets/pages/CreateTrustanchorFromP12.ets
@@ -13,6 +13,8 @@
  * limitations under the License.
  */
 
+
+// [Start trust_array_constructed_from_p12_file_during_validation]
 import { cert } from '@kit.DeviceCertificateKit';
 import { BusinessError } from '@kit.BasicServicesKit';
 
@@ -130,6 +132,8 @@ function test() {
   }
 }
 
+
+// [End trust_array_constructed_from_p12_file_during_validation]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/DeviceCertificateKit/CertificateAlgorithmLibrary/entry/src/main/ets/pages/CreateVerifyCerchainvalidatorObject.ets b/code/DocsSample/Security/DeviceCertificateKit/CertificateAlgorithmLibrary/entry/src/main/ets/pages/CreateVerifyCerchainvalidatorObject.ets
index 6513b3b8c5b66bd80ba73d51bdc15212fa490fbc..1b87d7c7f6d33cbb03db0bb9cd0a9b0d054ccd65 100755
--- a/code/DocsSample/Security/DeviceCertificateKit/CertificateAlgorithmLibrary/entry/src/main/ets/pages/CreateVerifyCerchainvalidatorObject.ets
+++ b/code/DocsSample/Security/DeviceCertificateKit/CertificateAlgorithmLibrary/entry/src/main/ets/pages/CreateVerifyCerchainvalidatorObject.ets
@@ -13,6 +13,9 @@
  * limitations under the License.
  */
 
+
+
+// [Start certificate_chain_validator_object_creation_and_validation]
 import { cert } from '@kit.DeviceCertificateKit';
 import { util } from '@kit.ArkTS';
 
@@ -122,6 +125,8 @@ function certChainValidatorSample(): void {
   });
 }
 
+
+// [End certificate_chain_validator_object_creation_and_validation]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/DeviceCertificateKit/CertificateAlgorithmLibrary/entry/src/main/ets/pages/CreateVerifyCertchainObject.ets b/code/DocsSample/Security/DeviceCertificateKit/CertificateAlgorithmLibrary/entry/src/main/ets/pages/CreateVerifyCertchainObject.ets
index 75ab34393e3358d58a7820f61d6bbd6835ad635e..9081b2d61e9867b1cb8f3250a06c05968eab8628 100755
--- a/code/DocsSample/Security/DeviceCertificateKit/CertificateAlgorithmLibrary/entry/src/main/ets/pages/CreateVerifyCertchainObject.ets
+++ b/code/DocsSample/Security/DeviceCertificateKit/CertificateAlgorithmLibrary/entry/src/main/ets/pages/CreateVerifyCertchainObject.ets
@@ -13,6 +13,8 @@
  * limitations under the License.
  */
 
+// [Start certificate_chain_object_creation_and_validation]
+
 import { cert } from '@kit.DeviceCertificateKit';
 import { BusinessError } from '@kit.BasicServicesKit';
 import { util } from '@kit.ArkTS';
@@ -118,6 +120,8 @@ async function sample() {
   }
 }
 
+
+// [End certificate_chain_object_creation_and_validation]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/DeviceCertificateKit/CertificateManagement/entry/src/main/ets/pages/CertManagerDialogGuidelines.ets b/code/DocsSample/Security/DeviceCertificateKit/CertificateManagement/entry/src/main/ets/pages/CertManagerDialogGuidelines.ets
index dddba1b3a4bb66b415939a12bfbe09f872b2d8ea..20437368557c987a23e3bb6dfca2e0b7830b1ee4 100755
--- a/code/DocsSample/Security/DeviceCertificateKit/CertificateManagement/entry/src/main/ets/pages/CertManagerDialogGuidelines.ets
+++ b/code/DocsSample/Security/DeviceCertificateKit/CertificateManagement/entry/src/main/ets/pages/CertManagerDialogGuidelines.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start certificate_management_dialog_box_development_guide]
 import { certificateManagerDialog } from '@kit.DeviceCertificateKit';
 import { BusinessError } from '@kit.BasicServicesKit';
 import { common } from '@kit.AbilityKit';
@@ -34,6 +34,8 @@ async function certificateManagerDialogSample() {
   }
 }
 
+
+// [End certificate_management_dialog_box_development_guide]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/DeviceCertificateKit/CertificateManagement/entry/src/main/ets/pages/CertManagerGuidelines.ets b/code/DocsSample/Security/DeviceCertificateKit/CertificateManagement/entry/src/main/ets/pages/CertManagerGuidelines.ets
index 09baa8cb5610f4e7a4abc0922de889e1a104e562..39f6cc11dbde61b1445f7dee3bc441c0c8801397 100755
--- a/code/DocsSample/Security/DeviceCertificateKit/CertificateManagement/entry/src/main/ets/pages/CertManagerGuidelines.ets
+++ b/code/DocsSample/Security/DeviceCertificateKit/CertificateManagement/entry/src/main/ets/pages/CertManagerGuidelines.ets
@@ -12,6 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+// [Start certificate_management_development_guidance]
 
 import { certificateManager } from '@kit.DeviceCertificateKit';
 import { BusinessError } from '@kit.BasicServicesKit';
@@ -272,6 +273,8 @@ async function certificateManagerSample() {
   }
 }
 
+// [End certificate_management_development_guidance]
+
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/KeyDeletion/entry/src/main/cpp/napi_init.cpp b/code/DocsSample/Security/UniversalKeystoreKit/KeyDeletion/entry/src/main/cpp/napi_init.cpp
index 6c177236330e9bf0b399e94f0b7887b25a8a8423..3a5cdcb34ab31ae90406fa04712ad8ee9d686e4e 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/KeyDeletion/entry/src/main/cpp/napi_init.cpp
+++ b/code/DocsSample/Security/UniversalKeystoreKit/KeyDeletion/entry/src/main/cpp/napi_init.cpp
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start key_deletion]
 #include "huks/native_huks_api.h"
 #include "huks/native_huks_param.h"
 #include "napi/native_api.h"
 #include <cstring>
-
+// [StartExclude key_deletion]
 /* 以下以生成ECC密钥为例 */
 OH_Huks_Result InitParamSet(struct OH_Huks_ParamSet **paramSet, const struct OH_Huks_Param *params,
                             uint32_t paramCount)
@@ -62,7 +62,7 @@ static OH_Huks_Result GenerateKeyHelper(const char *alias)
     OH_Huks_FreeParamSet(&testGenerateKeyParamSet);
     return ohResult;
 }
-
+// [EndExclude key_deletion]
 static napi_value DeleteKey(napi_env env, napi_callback_info info)
 {
     /* 1.获取密钥别名 */
@@ -71,7 +71,7 @@ static napi_value DeleteKey(napi_env env, napi_callback_info info)
         (uint32_t)strlen("test_key"),
         (uint8_t *)"test_key"
     };
-
+    // [StartExclude key_deletion]
     /* 生成密钥 */
     OH_Huks_Result genResult = GenerateKeyHelper(alias);
     if (genResult.errorCode != OH_HUKS_SUCCESS) {
@@ -79,6 +79,7 @@ static napi_value DeleteKey(napi_env env, napi_callback_info info)
         napi_create_int32(env, genResult.errorCode, &ret);
         return ret;
     }
+    // [EndExclude key_deletion]
 
     /* 2.调用OH_Huks_DeleteKeyItem删除密钥  */
     struct OH_Huks_Result ohResult = OH_Huks_DeleteKeyItem(&keyAlias, nullptr);
@@ -87,7 +88,7 @@ static napi_value DeleteKey(napi_env env, napi_callback_info info)
     napi_create_int32(env, ohResult.errorCode, &ret);
     return ret;
 }
-
+// [End key_deletion]
 EXTERN_C_START
 static napi_value Init(napi_env env, napi_value exports)
 {
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/KeyDeletion/entry/src/main/ets/pages/KeyDeletion.ets b/code/DocsSample/Security/UniversalKeystoreKit/KeyDeletion/entry/src/main/ets/pages/KeyDeletion.ets
index 27e5addb80f01f353c93291fb926952ce6cff37c..a5cc677a2f854acd44c829d47a56dd3351d7c28c 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/KeyDeletion/entry/src/main/ets/pages/KeyDeletion.ets
+++ b/code/DocsSample/Security/UniversalKeystoreKit/KeyDeletion/entry/src/main/ets/pages/KeyDeletion.ets
@@ -16,11 +16,12 @@
 /*
  * 以下以HKDF256密钥的Promise操作使用为例
  */
+// [Start key_deletions]
 import { huks } from '@kit.UniversalKeystoreKit';
 
 /* 1.确定密钥别名 */
 let keyAlias = 'test_Key';
-
+// [StartExclude key_deletions]
 /* 2.初始化密钥属性集 */
 let generateProperties: huks.HuksParam[] = [
   {
@@ -81,7 +82,7 @@ async function testGenKey(): Promise<string> {
   return ret;
 }
 
-
+// [EndExclude key_deletions]
 /* 4.构造空对象 */
 let deleteHuksOptions: huks.HuksOptions = {
   properties: []
@@ -138,7 +139,7 @@ async function testDerive(): Promise<string> {
   let ret = await publicDeleteKeyFunc(keyAlias, deleteHuksOptions);
   return ret;
 }
-
+// [End key_deletions]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/KeyGenerationImport/KeyGeneration/DevelopmentGuidelines/GenerateKey/entry/src/main/cpp/napi_init.cpp b/code/DocsSample/Security/UniversalKeystoreKit/KeyGenerationImport/KeyGeneration/DevelopmentGuidelines/GenerateKey/entry/src/main/cpp/napi_init.cpp
index fd8f89141bdd2bef7e30921d66a9e32c6fb16761..a083b2faff8b2b63859f5cd264abf6b5cd84b28e 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/KeyGenerationImport/KeyGeneration/DevelopmentGuidelines/GenerateKey/entry/src/main/cpp/napi_init.cpp
+++ b/code/DocsSample/Security/UniversalKeystoreKit/KeyGenerationImport/KeyGeneration/DevelopmentGuidelines/GenerateKey/entry/src/main/cpp/napi_init.cpp
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start generate_key]
 /* 以下以生成ECC密钥为例 */
 #include "huks/native_huks_api.h"
 #include "huks/native_huks_param.h"
@@ -66,7 +66,7 @@ static napi_value GenerateKey(napi_env env, napi_callback_info info)
     napi_create_int32(env, ohResult.errorCode, &ret);
     return ret;
 }
-
+// [End generate_key]
 EXTERN_C_START
 static napi_value Init(napi_env env, napi_value exports)
 {
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/KeyGenerationImport/KeyGeneration/DevelopmentGuidelines/GenerateKey/entry/src/main/ets/pages/Index.ets b/code/DocsSample/Security/UniversalKeystoreKit/KeyGenerationImport/KeyGeneration/DevelopmentGuidelines/GenerateKey/entry/src/main/ets/pages/Index.ets
index 2ce4dd0d3e7388189b86785f8ac7769bd42c44ae..0a421f42aa26e1974e22baa3dd73d08fb6339b39 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/KeyGenerationImport/KeyGeneration/DevelopmentGuidelines/GenerateKey/entry/src/main/ets/pages/Index.ets
+++ b/code/DocsSample/Security/UniversalKeystoreKit/KeyGenerationImport/KeyGeneration/DevelopmentGuidelines/GenerateKey/entry/src/main/ets/pages/Index.ets
@@ -13,6 +13,9 @@
  * limitations under the License.
  */
 
+
+// [Start generate_key_ar]
+
 import { huks } from '@kit.UniversalKeystoreKit';
 import testNapi from 'libentry.so';
 
@@ -78,6 +81,10 @@ async function testGenKey(): Promise<string> {
   return ret;
 }
 
+
+// [End generate_key_ar]
+
+
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/KeyGenerationImport/KeyImport/DevelopmentGuidelines/ImportEncryptedKey/entry/src/main/cpp/napi_init.cpp b/code/DocsSample/Security/UniversalKeystoreKit/KeyGenerationImport/KeyImport/DevelopmentGuidelines/ImportEncryptedKey/entry/src/main/cpp/napi_init.cpp
index 8535a23a75c9494a13be53614bd50992d3c1d065..de425742291cbb1cbdc9b771e943533925af4652 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/KeyGenerationImport/KeyImport/DevelopmentGuidelines/ImportEncryptedKey/entry/src/main/cpp/napi_init.cpp
+++ b/code/DocsSample/Security/UniversalKeystoreKit/KeyGenerationImport/KeyImport/DevelopmentGuidelines/ImportEncryptedKey/entry/src/main/cpp/napi_init.cpp
@@ -13,6 +13,8 @@
  * limitations under the License.
  */
 
+// [Start encrypt_import_key]
+
 #include "huks/native_huks_api.h"
 #include "huks/native_huks_param.h"
 #include "napi/native_api.h"
@@ -563,6 +565,11 @@ static napi_value NAPI_Global_importWrappedKey(napi_env env, napi_callback_info
     return ret;
 }
 
+
+// [End encrypt_import_key]
+
+
+// [Start encryption_import_key_commissioning_and_verification]
 static napi_value IsKeyExist(napi_env env, napi_callback_info info)
 {
     /* 1.指定密钥别名 */
@@ -578,6 +585,8 @@ static napi_value IsKeyExist(napi_env env, napi_callback_info info)
     return ret;
 }
 
+// [End encryption_import_key_commissioning_and_verification]
+
 EXTERN_C_START
 static napi_value Init(napi_env env, napi_value exports)
 {
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/KeyGenerationImport/KeyImport/DevelopmentGuidelines/ImportEncryptedKey/entry/src/main/ets/pages/ImportEncryptedKey.ets b/code/DocsSample/Security/UniversalKeystoreKit/KeyGenerationImport/KeyImport/DevelopmentGuidelines/ImportEncryptedKey/entry/src/main/ets/pages/ImportEncryptedKey.ets
index 4a550cec4c2a0953f65d4286cc92444a37691eba..3868b6dfe2dc840c7c4451360ce33c334ad329b1 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/KeyGenerationImport/KeyImport/DevelopmentGuidelines/ImportEncryptedKey/entry/src/main/ets/pages/ImportEncryptedKey.ets
+++ b/code/DocsSample/Security/UniversalKeystoreKit/KeyGenerationImport/KeyImport/DevelopmentGuidelines/ImportEncryptedKey/entry/src/main/ets/pages/ImportEncryptedKey.ets
@@ -12,6 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+// [Start encrypt_the_import_key]
 
 import { huks } from '@kit.UniversalKeystoreKit';
 
@@ -620,6 +621,10 @@ async function ImportWrappedKey() {
   await publicDeleteKeyItemFunc(callerKekAliasAes256, callerAgreeParams);
 }
 
+
+// [End encrypt_the_import_key]
+
+// [Start encrypt_the_import_key_to_verify_that_the_key_exists]
 /*
  * 确定密钥别名和封装密钥属性参数集
  */
@@ -652,4 +657,5 @@ function Check() {
   }
 }
 
+// [End encrypt_the_import_key_to_verify_that_the_key_exists]
 export { ImportWrappedKey, Check };
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/KeyGenerationImport/KeyImport/DevelopmentGuidelines/ImportKeyPlainText/entry/src/main/cpp/napi_init.cpp b/code/DocsSample/Security/UniversalKeystoreKit/KeyGenerationImport/KeyImport/DevelopmentGuidelines/ImportKeyPlainText/entry/src/main/cpp/napi_init.cpp
index a1c3e6ff08a41ac6dacc920d770308c782741061..3043449a63b925cfcbdab4c6f798a5332bf04725 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/KeyGenerationImport/KeyImport/DevelopmentGuidelines/ImportKeyPlainText/entry/src/main/cpp/napi_init.cpp
+++ b/code/DocsSample/Security/UniversalKeystoreKit/KeyGenerationImport/KeyImport/DevelopmentGuidelines/ImportKeyPlainText/entry/src/main/cpp/napi_init.cpp
@@ -13,6 +13,7 @@
  * limitations under the License.
  */
 
+// [Start import_keys_in_plaintext]
 /* 以下以明文导入AES密钥为例 */
 #include "huks/native_huks_api.h"
 #include "huks/native_huks_param.h"
@@ -76,6 +77,7 @@ static napi_value ImportKey(napi_env env, napi_callback_info info)
     return ret;
 }
 
+// [End import_keys_in_plaintext]
 EXTERN_C_START
 static napi_value Init(napi_env env, napi_value exports)
 {
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/KeyGenerationImport/KeyImport/DevelopmentGuidelines/ImportKeyPlainText/entry/src/main/ets/pages/AES256.ets b/code/DocsSample/Security/UniversalKeystoreKit/KeyGenerationImport/KeyImport/DevelopmentGuidelines/ImportKeyPlainText/entry/src/main/ets/pages/AES256.ets
index 20718d09e102ec3da9621a7bd2d6ae9d96768d69..05e997efba76e0feb341a6081cf389618c37db86 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/KeyGenerationImport/KeyImport/DevelopmentGuidelines/ImportKeyPlainText/entry/src/main/ets/pages/AES256.ets
+++ b/code/DocsSample/Security/UniversalKeystoreKit/KeyGenerationImport/KeyImport/DevelopmentGuidelines/ImportKeyPlainText/entry/src/main/ets/pages/AES256.ets
@@ -13,6 +13,8 @@
  * limitations under the License.
  */
 
+// [Start import_keys_in_plaintext_AES256]
+
 /* 以下以导入AES256密钥的Callback操作使用为例 */
 import { huks } from '@kit.UniversalKeystoreKit'
 
@@ -61,6 +63,8 @@ function importAES256() {
   }
 }
 
+// [End import_keys_in_plaintext_AES256]
+
 let isKeyExist = false;
 
 let keyProperties: huks.HuksParam[] = [
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/KeyGenerationImport/KeyImport/DevelopmentGuidelines/ImportKeyPlainText/entry/src/main/ets/pages/RSA2048.ets b/code/DocsSample/Security/UniversalKeystoreKit/KeyGenerationImport/KeyImport/DevelopmentGuidelines/ImportKeyPlainText/entry/src/main/ets/pages/RSA2048.ets
index e522e1cc29df3c0288995213fa4260f3e6458b49..c21dacea9293686f277e8a5f69330e5baba6de5b 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/KeyGenerationImport/KeyImport/DevelopmentGuidelines/ImportKeyPlainText/entry/src/main/ets/pages/RSA2048.ets
+++ b/code/DocsSample/Security/UniversalKeystoreKit/KeyGenerationImport/KeyImport/DevelopmentGuidelines/ImportKeyPlainText/entry/src/main/ets/pages/RSA2048.ets
@@ -13,6 +13,7 @@
  * limitations under the License.
  */
 
+// [Start import_keys_in_plaintext_RSA2048]
 /* 以下以导入RSA2048密钥的Callback操作使用为例 */
 import { huks } from '@kit.UniversalKeystoreKit'
 
@@ -106,6 +107,9 @@ function importRSA2048() {
   }
 }
 
+
+
+// [End import_keys_in_plaintext_RSA2048]
 let isKeyExist = false;
 
 let keyProperties: huks.HuksParam[] = [
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/KeyGenerationImport/KeyImport/DevelopmentGuidelines/ImportKeyPlainText/entry/src/main/ets/pages/X25519.ets b/code/DocsSample/Security/UniversalKeystoreKit/KeyGenerationImport/KeyImport/DevelopmentGuidelines/ImportKeyPlainText/entry/src/main/ets/pages/X25519.ets
index 29794fbe2c6a40f92498c89eb4decf481628ec98..70a1720bfe5f1cd5bf1b8e48dc7292c95011e2c3 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/KeyGenerationImport/KeyImport/DevelopmentGuidelines/ImportKeyPlainText/entry/src/main/ets/pages/X25519.ets
+++ b/code/DocsSample/Security/UniversalKeystoreKit/KeyGenerationImport/KeyImport/DevelopmentGuidelines/ImportKeyPlainText/entry/src/main/ets/pages/X25519.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start import_keys_in_plaintext_X25519]
 /* 以下以导入X25519密钥的Callback操作使用为例 */
 import { huks } from '@kit.UniversalKeystoreKit'
 
@@ -68,6 +68,9 @@ function importX25519() {
   }
 }
 
+
+// [End import_keys_in_plaintext_X25519]
+
 let isKeyExist = false;
 
 let keyProperties: huks.HuksParam[] = [
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/KeyProving/DevelopmentGuidelines/AnonymousKeyProof/entry/src/main/cpp/napi_init.cpp b/code/DocsSample/Security/UniversalKeystoreKit/KeyProving/DevelopmentGuidelines/AnonymousKeyProof/entry/src/main/cpp/napi_init.cpp
index 3be42f279901310396a96153a7a58ae9abafe89f..70730d8b48c49461a0c6168fb9d83c03724b9bf4 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/KeyProving/DevelopmentGuidelines/AnonymousKeyProof/entry/src/main/cpp/napi_init.cpp
+++ b/code/DocsSample/Security/UniversalKeystoreKit/KeyProving/DevelopmentGuidelines/AnonymousKeyProof/entry/src/main/cpp/napi_init.cpp
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start anonymized_key_proof]
 #include "huks/native_huks_api.h"
 #include "huks/native_huks_param.h"
 #include "napi/native_api.h"
@@ -133,7 +133,7 @@ static napi_value AnonAttestKey(napi_env env, napi_callback_info info)
     napi_create_int32(env, ohResult.errorCode, &ret);
     return ret;
 }
-
+// [End anonymized_key_proof]
 EXTERN_C_START
 static napi_value Init(napi_env env, napi_value exports)
 {
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/KeyProving/DevelopmentGuidelines/AnonymousKeyProof/entry/src/main/ets/pages/AnonymousKeyProof.ets b/code/DocsSample/Security/UniversalKeystoreKit/KeyProving/DevelopmentGuidelines/AnonymousKeyProof/entry/src/main/ets/pages/AnonymousKeyProof.ets
index 18a32ed19679a54a4e02317268a41eb2ab3a9581..5d1c616b4cf3aecfd9bbc1b06fbb98f36c13cdc1 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/KeyProving/DevelopmentGuidelines/AnonymousKeyProof/entry/src/main/ets/pages/AnonymousKeyProof.ets
+++ b/code/DocsSample/Security/UniversalKeystoreKit/KeyProving/DevelopmentGuidelines/AnonymousKeyProof/entry/src/main/ets/pages/AnonymousKeyProof.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start anonymous_key_proof]
 /*
  * 以下以anonAttestKey的Promise接口操作验证为例
  */
@@ -184,7 +184,7 @@ async function anonAttestKeyTest(): Promise<string> {
   console.info('anon attest certChain data: ' + anonAttestCertChain)
   return ret;
 }
-
+// [End anonymous_key_proof]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/KeyProving/DevelopmentGuidelines/NonanonymousKeyProof/entry/src/main/cpp/napi_init.cpp b/code/DocsSample/Security/UniversalKeystoreKit/KeyProving/DevelopmentGuidelines/NonanonymousKeyProof/entry/src/main/cpp/napi_init.cpp
old mode 100755
new mode 100644
index ed25c4cf2fbf985a2db596c4774403931ee06496..ca39403298336db868f4e573734d88eae2702ece
--- a/code/DocsSample/Security/UniversalKeystoreKit/KeyProving/DevelopmentGuidelines/NonanonymousKeyProof/entry/src/main/cpp/napi_init.cpp
+++ b/code/DocsSample/Security/UniversalKeystoreKit/KeyProving/DevelopmentGuidelines/NonanonymousKeyProof/entry/src/main/cpp/napi_init.cpp
@@ -1,156 +1,156 @@
-/*
- * Copyright (c) 2025 Huawei Device Co., Ltd.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "huks/native_huks_api.h"
-#include "huks/native_huks_param.h"
-#include "napi/native_api.h"
-#include <cstring>
-
-OH_Huks_Result InitParamSet(struct OH_Huks_ParamSet **paramSet, const struct OH_Huks_Param *params,
-                            uint32_t paramCount)
-{
-    OH_Huks_Result ret = OH_Huks_InitParamSet(paramSet);
-    if (ret.errorCode != OH_HUKS_SUCCESS) {
-        return ret;
-    }
-    ret = OH_Huks_AddParams(*paramSet, params, paramCount);
-    if (ret.errorCode != OH_HUKS_SUCCESS) {
-        OH_Huks_FreeParamSet(paramSet);
-        return ret;
-    }
-    ret = OH_Huks_BuildParamSet(paramSet);
-    if (ret.errorCode != OH_HUKS_SUCCESS) {
-        OH_Huks_FreeParamSet(paramSet);
-        return ret;
-    }
-    return ret;
-}
-
-static uint32_t g_size = 4096;
-static uint32_t CERT_COUNT = 4;
-
-void FreeCertChain(struct OH_Huks_CertChain *certChain, const uint32_t pos)
-{
-    if (certChain == nullptr || certChain->certs == nullptr) {
-        return;
-    }
-    for (uint32_t j = 0; j < pos; j++) {
-        if (certChain->certs[j].data != nullptr) {
-            free(certChain->certs[j].data);
-            certChain->certs[j].data = nullptr;
-        }
-    }
-    if (certChain->certs != nullptr) {
-        free(certChain->certs);
-        certChain->certs = nullptr;
-    }
-}
-
-int32_t ConstructDataToCertChain(struct OH_Huks_CertChain *certChain)
-{
-    if (certChain == nullptr) {
-        return OH_HUKS_ERR_CODE_ILLEGAL_ARGUMENT;
-    }
-    certChain->certsCount = CERT_COUNT;
-
-    certChain->certs = (struct OH_Huks_Blob *)malloc(sizeof(struct OH_Huks_Blob) * (certChain->certsCount));
-    if (certChain->certs == nullptr) {
-        return OH_HUKS_ERR_CODE_INTERNAL_ERROR;
-    }
-    for (uint32_t i = 0; i < certChain->certsCount; i++) {
-        certChain->certs[i].size = g_size;
-        certChain->certs[i].data = (uint8_t *)malloc(certChain->certs[i].size);
-        if (certChain->certs[i].data == nullptr) {
-            FreeCertChain(certChain, i);
-            return OH_HUKS_ERR_CODE_ILLEGAL_ARGUMENT;
-        }
-    }
-    return 0;
-}
-
-static struct OH_Huks_Param g_genAttestParams[] = {
-    {.tag = OH_HUKS_TAG_ALGORITHM, .uint32Param = OH_HUKS_ALG_RSA},
-    {.tag = OH_HUKS_TAG_KEY_SIZE, .uint32Param = OH_HUKS_RSA_KEY_SIZE_2048},
-    {.tag = OH_HUKS_TAG_PURPOSE, .uint32Param = OH_HUKS_KEY_PURPOSE_VERIFY},
-    {.tag = OH_HUKS_TAG_DIGEST, .uint32Param = OH_HUKS_DIGEST_SHA256},
-    {.tag = OH_HUKS_TAG_PADDING, .uint32Param = OH_HUKS_PADDING_PSS},
-    {.tag = OH_HUKS_TAG_BLOCK_MODE, .uint32Param = OH_HUKS_MODE_ECB},
-};
-
-#define CHALLENGE_DATA "hi_challenge_data"
-static struct OH_Huks_Blob g_challenge = {sizeof(CHALLENGE_DATA), (uint8_t *)CHALLENGE_DATA};
-static napi_value AttestKey(napi_env env, napi_callback_info info)
-{
-    /* 1.确定密钥别名 */
-    struct OH_Huks_Blob genAlias = {(uint32_t)strlen("test_attest"), (uint8_t *)"test_attest"};
-    static struct OH_Huks_Param g_attestParams[] = {
-        {.tag = OH_HUKS_TAG_ATTESTATION_CHALLENGE, .blob = g_challenge},
-        {.tag = OH_HUKS_TAG_ATTESTATION_ID_ALIAS, .blob = genAlias},
-    };
-    struct OH_Huks_ParamSet *genParamSet = nullptr;
-    struct OH_Huks_ParamSet *attestParamSet = nullptr;
-    OH_Huks_Result ohResult;
-    OH_Huks_Blob certs = {0};
-    OH_Huks_CertChain certChain = {&certs, 0};
-    do {
-        /* 2.初始化密钥参数集 */
-        ohResult = InitParamSet(&genParamSet, g_genAttestParams, sizeof(g_genAttestParams) / sizeof(OH_Huks_Param));
-        if (ohResult.errorCode != OH_HUKS_SUCCESS) {
-            break;
-        }
-        ohResult = InitParamSet(&attestParamSet, g_attestParams, sizeof(g_attestParams) / sizeof(OH_Huks_Param));
-        if (ohResult.errorCode != OH_HUKS_SUCCESS) {
-            break;
-        }
-        ohResult = OH_Huks_GenerateKeyItem(&genAlias, genParamSet, nullptr);
-        if (ohResult.errorCode != OH_HUKS_SUCCESS) {
-            break;
-        }
-
-        (void)ConstructDataToCertChain(&certChain);
-        /* 3.证明密钥 */
-        ohResult = OH_Huks_AttestKeyItem(&genAlias, attestParamSet, &certChain);
-    } while (0);
-    FreeCertChain(&certChain, CERT_COUNT);
-    OH_Huks_FreeParamSet(&genParamSet);
-    OH_Huks_FreeParamSet(&attestParamSet);
-    (void)OH_Huks_DeleteKeyItem(&genAlias, NULL);
-
-    napi_value ret;
-    napi_create_int32(env, ohResult.errorCode, &ret);
-    return ret;
-}
-
-EXTERN_C_START
-static napi_value Init(napi_env env, napi_value exports)
-{
-    napi_property_descriptor desc[] = {
-        {"attestKey", nullptr, AttestKey, nullptr, nullptr, nullptr, napi_default, nullptr}};
-    napi_define_properties(env, exports, sizeof(desc) / sizeof(desc[0]), desc);
-    return exports;
-}
-EXTERN_C_END
-
-static napi_module demoModule = {
-    .nm_version = 1,
-    .nm_flags = 0,
-    .nm_filename = nullptr,
-    .nm_register_func = Init,
-    .nm_modname = "entry",
-    .nm_priv = ((void *)0),
-    .reserved = {0},
-};
-
-extern "C" __attribute__((constructor)) void RegisterEntryModule(void) { napi_module_register(&demoModule); }
+/*
+ * Copyright (c) 2025 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+// [Start non_anonymized_key_proof]
+#include "huks/native_huks_api.h"
+#include "huks/native_huks_param.h"
+#include "napi/native_api.h"
+#include <cstring>
+
+OH_Huks_Result InitParamSet(struct OH_Huks_ParamSet **paramSet, const struct OH_Huks_Param *params,
+                            uint32_t paramCount)
+{
+    OH_Huks_Result ret = OH_Huks_InitParamSet(paramSet);
+    if (ret.errorCode != OH_HUKS_SUCCESS) {
+        return ret;
+    }
+    ret = OH_Huks_AddParams(*paramSet, params, paramCount);
+    if (ret.errorCode != OH_HUKS_SUCCESS) {
+        OH_Huks_FreeParamSet(paramSet);
+        return ret;
+    }
+    ret = OH_Huks_BuildParamSet(paramSet);
+    if (ret.errorCode != OH_HUKS_SUCCESS) {
+        OH_Huks_FreeParamSet(paramSet);
+        return ret;
+    }
+    return ret;
+}
+
+static uint32_t g_size = 4096;
+static uint32_t CERT_COUNT = 4;
+
+void FreeCertChain(struct OH_Huks_CertChain *certChain, const uint32_t pos)
+{
+    if (certChain == nullptr || certChain->certs == nullptr) {
+        return;
+    }
+    for (uint32_t j = 0; j < pos; j++) {
+        if (certChain->certs[j].data != nullptr) {
+            free(certChain->certs[j].data);
+            certChain->certs[j].data = nullptr;
+        }
+    }
+    if (certChain->certs != nullptr) {
+        free(certChain->certs);
+        certChain->certs = nullptr;
+    }
+}
+
+int32_t ConstructDataToCertChain(struct OH_Huks_CertChain *certChain)
+{
+    if (certChain == nullptr) {
+        return OH_HUKS_ERR_CODE_ILLEGAL_ARGUMENT;
+    }
+    certChain->certsCount = CERT_COUNT;
+
+    certChain->certs = (struct OH_Huks_Blob *)malloc(sizeof(struct OH_Huks_Blob) * (certChain->certsCount));
+    if (certChain->certs == nullptr) {
+        return OH_HUKS_ERR_CODE_INTERNAL_ERROR;
+    }
+    for (uint32_t i = 0; i < certChain->certsCount; i++) {
+        certChain->certs[i].size = g_size;
+        certChain->certs[i].data = (uint8_t *)malloc(certChain->certs[i].size);
+        if (certChain->certs[i].data == nullptr) {
+            FreeCertChain(certChain, i);
+            return OH_HUKS_ERR_CODE_ILLEGAL_ARGUMENT;
+        }
+    }
+    return 0;
+}
+
+static struct OH_Huks_Param g_genAttestParams[] = {
+    {.tag = OH_HUKS_TAG_ALGORITHM, .uint32Param = OH_HUKS_ALG_RSA},
+    {.tag = OH_HUKS_TAG_KEY_SIZE, .uint32Param = OH_HUKS_RSA_KEY_SIZE_2048},
+    {.tag = OH_HUKS_TAG_PURPOSE, .uint32Param = OH_HUKS_KEY_PURPOSE_VERIFY},
+    {.tag = OH_HUKS_TAG_DIGEST, .uint32Param = OH_HUKS_DIGEST_SHA256},
+    {.tag = OH_HUKS_TAG_PADDING, .uint32Param = OH_HUKS_PADDING_PSS},
+    {.tag = OH_HUKS_TAG_BLOCK_MODE, .uint32Param = OH_HUKS_MODE_ECB},
+};
+
+#define CHALLENGE_DATA "hi_challenge_data"
+static struct OH_Huks_Blob g_challenge = {sizeof(CHALLENGE_DATA), (uint8_t *)CHALLENGE_DATA};
+static napi_value AttestKey(napi_env env, napi_callback_info info)
+{
+    /* 1.确定密钥别名 */
+    struct OH_Huks_Blob genAlias = {(uint32_t)strlen("test_attest"), (uint8_t *)"test_attest"};
+    static struct OH_Huks_Param g_attestParams[] = {
+        {.tag = OH_HUKS_TAG_ATTESTATION_CHALLENGE, .blob = g_challenge},
+        {.tag = OH_HUKS_TAG_ATTESTATION_ID_ALIAS, .blob = genAlias},
+    };
+    struct OH_Huks_ParamSet *genParamSet = nullptr;
+    struct OH_Huks_ParamSet *attestParamSet = nullptr;
+    OH_Huks_Result ohResult;
+    OH_Huks_Blob certs = {0};
+    OH_Huks_CertChain certChain = {&certs, 0};
+    do {
+        /* 2.初始化密钥参数集 */
+        ohResult = InitParamSet(&genParamSet, g_genAttestParams, sizeof(g_genAttestParams) / sizeof(OH_Huks_Param));
+        if (ohResult.errorCode != OH_HUKS_SUCCESS) {
+            break;
+        }
+        ohResult = InitParamSet(&attestParamSet, g_attestParams, sizeof(g_attestParams) / sizeof(OH_Huks_Param));
+        if (ohResult.errorCode != OH_HUKS_SUCCESS) {
+            break;
+        }
+        ohResult = OH_Huks_GenerateKeyItem(&genAlias, genParamSet, nullptr);
+        if (ohResult.errorCode != OH_HUKS_SUCCESS) {
+            break;
+        }
+
+        (void)ConstructDataToCertChain(&certChain);
+        /* 3.证明密钥 */
+        ohResult = OH_Huks_AttestKeyItem(&genAlias, attestParamSet, &certChain);
+    } while (0);
+    FreeCertChain(&certChain, CERT_COUNT);
+    OH_Huks_FreeParamSet(&genParamSet);
+    OH_Huks_FreeParamSet(&attestParamSet);
+    (void)OH_Huks_DeleteKeyItem(&genAlias, NULL);
+
+    napi_value ret;
+    napi_create_int32(env, ohResult.errorCode, &ret);
+    return ret;
+}
+// [End non_anonymized_key_proof]
+EXTERN_C_START
+static napi_value Init(napi_env env, napi_value exports)
+{
+    napi_property_descriptor desc[] = {
+        {"attestKey", nullptr, AttestKey, nullptr, nullptr, nullptr, napi_default, nullptr}};
+    napi_define_properties(env, exports, sizeof(desc) / sizeof(desc[0]), desc);
+    return exports;
+}
+EXTERN_C_END
+
+static napi_module demoModule = {
+    .nm_version = 1,
+    .nm_flags = 0,
+    .nm_filename = nullptr,
+    .nm_register_func = Init,
+    .nm_modname = "entry",
+    .nm_priv = ((void *)0),
+    .reserved = {0},
+};
+
+extern "C" __attribute__((constructor)) void RegisterEntryModule(void) { napi_module_register(&demoModule); }
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/KeyProving/DevelopmentGuidelines/NonanonymousKeyProof/entry/src/main/ets/pages/NonAnonymousKeyProof.ets b/code/DocsSample/Security/UniversalKeystoreKit/KeyProving/DevelopmentGuidelines/NonanonymousKeyProof/entry/src/main/ets/pages/NonAnonymousKeyProof.ets
index ab44d65cc1c05fed9bc83da39478e39f7987397f..3509e335b4679ba2c4b69f10045ab423b6a90545 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/KeyProving/DevelopmentGuidelines/NonanonymousKeyProof/entry/src/main/ets/pages/NonAnonymousKeyProof.ets
+++ b/code/DocsSample/Security/UniversalKeystoreKit/KeyProving/DevelopmentGuidelines/NonanonymousKeyProof/entry/src/main/ets/pages/NonAnonymousKeyProof.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start Start non_anonymized_key_proof]
 /*
  * 以下以attestKey的Promise接口操作验证为例
  */
@@ -184,7 +184,7 @@ async function attestKeyTest(): Promise<string> {
   console.info('attest certChain data: ' + attestCertChain)
   return ret;
 }
-
+// [End Start non_anonymized_key_proof]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/AccessControl/entry/src/main/ets/pages/FineGrainedUserIdentityAuthentication.ets b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/AccessControl/entry/src/main/ets/pages/FineGrainedUserIdentityAuthentication.ets
index 0bc3920045029cfd4217e441dd2d9ce893c41533..9c727153c0c5bdb2626b3a66120b330e5a393b0b 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/AccessControl/entry/src/main/ets/pages/FineGrainedUserIdentityAuthentication.ets
+++ b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/AccessControl/entry/src/main/ets/pages/FineGrainedUserIdentityAuthentication.ets
@@ -13,11 +13,12 @@
  * limitations under the License.
  */
 
+// [Start generate_key_specify_fingerprint_access_control_and_auth_purpose]
 import { huks } from '@kit.UniversalKeystoreKit';
 import { userAuth } from '@kit.UserAuthenticationKit';
 import { BusinessError } from '@kit.BasicServicesKit';
 
-let keyAlias = 'test_sm4_key_alias';
+
 let cipherInData = 'Hks_SM4_Cipher_Test_101010101010101010110_string'; // 明文数据。
 let IV = '1234567890123456';
 let handle = 0;
@@ -28,6 +29,7 @@ let challenge: Uint8Array;
 let authType = userAuth.UserAuthType.PIN;
 let authTrustLevel = userAuth.AuthTrustLevel.ATL1;
 
+let keyAlias = 'test_sm4_key_alias';
 class ThrowObject {
   public isThrow: boolean = false;
 }
@@ -131,7 +133,7 @@ async function publicGenKeyFunc(keyAlias: string, huksOptions: huks.HuksOptions)
 async function testGenKeyForFingerprintAccessControl() {
   await publicGenKeyFunc(keyAlias, generateHuksOptions);
 }
-
+// [End generate_key_specify_fingerprint_access_control_and_auth_purpose]
 class HuksProperties {
   public tag: huks.HuksTag = huks.HuksTag.HUKS_TAG_ALGORITHM;
   public value: huks.HuksKeyAlg | huks.HuksKeySize | huks.HuksKeyPurpose | huks.HuksKeyPadding | huks.HuksCipherMode
@@ -401,6 +403,7 @@ async function testSm4CipherFinish() {
   }
 }
 
+// [End fine_grained_user_auth_and_access_control_guide]
 async function main() {
   await testGenKeyForFingerprintAccessControl();
   await testSm4Cipher();
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/AccessControl/entry/src/main/ets/pages/UserIdentityAuthentication.ets b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/AccessControl/entry/src/main/ets/pages/UserIdentityAuthentication.ets
index a89e9303affd1137c13e9cd42919879dd349dbe8..20d5968174848a10b350785e31762d62126370d3 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/AccessControl/entry/src/main/ets/pages/UserIdentityAuthentication.ets
+++ b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/AccessControl/entry/src/main/ets/pages/UserIdentityAuthentication.ets
@@ -13,6 +13,8 @@
  * limitations under the License.
  */
 
+
+// [Start user_authentication_and_access_control_guide]
 import { huks } from '@kit.UniversalKeystoreKit';
 import { userAuth } from '@kit.UserAuthenticationKit';
 
@@ -374,7 +376,7 @@ async function testSm4Cipher() {
     console.info('test finish encrypt success');
   }
 }
-
+// [End user_authentication_and_access_control_guide]
 async function main() {
   await testGenKeyForFingerprintAccessControl();
   await testInitAndAuthFinger();
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/EncryptionDecryption/entry/src/main/cpp/napi_init.cpp b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/EncryptionDecryption/entry/src/main/cpp/napi_init.cpp
index 8153f0a5121c38bf73092beacbcd653828cde7ca..e66ddc43e9e990ca0ad9272ad582c7298526fbcf 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/EncryptionDecryption/entry/src/main/cpp/napi_init.cpp
+++ b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/EncryptionDecryption/entry/src/main/cpp/napi_init.cpp
@@ -13,6 +13,7 @@
  * limitations under the License.
  */
 
+// [Start encrypt_and_decrypt]
 #include "huks/native_huks_api.h"
 #include "huks/native_huks_param.h"
 #include "napi/native_api.h"
@@ -202,6 +203,9 @@ static napi_value EncDecKey(napi_env env, napi_callback_info info)
     return ret;
 }
 
+
+// [End encrypt_and_decrypt]
+
 EXTERN_C_START
 static napi_value Init(napi_env env, napi_value exports)
 {
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/EncryptionDecryption/entry/src/main/ets/pages/AESCBCPKCS7.ets b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/EncryptionDecryption/entry/src/main/ets/pages/AESCBCPKCS7.ets
index 73542193e2e83ce050b4245d8d8fd25417e012c1..38277bacb28316cb872ae90e34b62f1cb745738b 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/EncryptionDecryption/entry/src/main/ets/pages/AESCBCPKCS7.ets
+++ b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/EncryptionDecryption/entry/src/main/ets/pages/AESCBCPKCS7.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start encrypt_and_decrypt_AESCBCPKCS7]
 /*
  * 以下以AES/CBC/PKCS7的Promise操作使用为例
  */
@@ -222,6 +222,10 @@ async function deleteKey() {
     })
 }
 
+
+// [End encrypt_and_decrypt_AESCBCPKCS7]
+
+
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/EncryptionDecryption/entry/src/main/ets/pages/AESGCMNoPadding.ets b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/EncryptionDecryption/entry/src/main/ets/pages/AESGCMNoPadding.ets
index 733fea8a418d44f00d9bba79ff859ab0742d2f6c..dd8ba3875cef1ed440ce40b004da368ca968eab7 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/EncryptionDecryption/entry/src/main/ets/pages/AESGCMNoPadding.ets
+++ b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/EncryptionDecryption/entry/src/main/ets/pages/AESGCMNoPadding.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start encrypt_and_decrypt_AESGCMNoPadding]
 /*
  * 以下以AES/GCM/NoPadding的Promise操作使用为例
  */
@@ -233,6 +233,7 @@ async function deleteKey() {
     })
 }
 
+// [End encrypt_and_decrypt_AESGCMNoPadding]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/EncryptionDecryption/entry/src/main/ets/pages/RSAECBOAEPSHA256.ets b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/EncryptionDecryption/entry/src/main/ets/pages/RSAECBOAEPSHA256.ets
index d3b82510655d34a957affcdf329c745f7008553d..644000a15437a4dbaf6c33971b35c60a11a2e841 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/EncryptionDecryption/entry/src/main/ets/pages/RSAECBOAEPSHA256.ets
+++ b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/EncryptionDecryption/entry/src/main/ets/pages/RSAECBOAEPSHA256.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start encrypt_and_decrypt_RSAECBOAEPSHA256]
 /*
  * 以下以RSA/ECB/OAEP/SHA256模式的Promise操作使用为例
  */
@@ -221,6 +221,8 @@ async function deleteKey() {
     })
 }
 
+
+// [End encrypt_and_decrypt_RSAECBOAEPSHA256]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/EncryptionDecryption/entry/src/main/ets/pages/RSAECBPKCS1_V1_5.ets b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/EncryptionDecryption/entry/src/main/ets/pages/RSAECBPKCS1_V1_5.ets
index 7f44648fceb793272e0d009b23f583b816e56d51..f071b9b8840c52e56c143fd92402725e609e0c84 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/EncryptionDecryption/entry/src/main/ets/pages/RSAECBPKCS1_V1_5.ets
+++ b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/EncryptionDecryption/entry/src/main/ets/pages/RSAECBPKCS1_V1_5.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start encrypt_and_decrypt_RSAECBPKCS1_V1_5]
 /*
  * 以下以RSA/ECB/PKCS1_V1_5模式的Promise操作使用为例
  */
@@ -221,6 +221,9 @@ async function deleteKey() {
     })
 }
 
+
+
+// [End encrypt_and_decrypt_RSAECBPKCS1_V1_5]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/EncryptionDecryption/entry/src/main/ets/pages/SM2.ets b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/EncryptionDecryption/entry/src/main/ets/pages/SM2.ets
index 98a624ef39a0d82bbf05396d8dd7e7bfbc72e209..c4db56bcd4d7844f41c3267e9ae69f2fea7fed7e 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/EncryptionDecryption/entry/src/main/ets/pages/SM2.ets
+++ b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/EncryptionDecryption/entry/src/main/ets/pages/SM2.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start encrypt_and_decrypt_SM2]
 /*
  * 以下以SM2模式的Promise操作使用为例
  */
@@ -209,6 +209,9 @@ async function deleteKey() {
     })
 }
 
+
+// [End encrypt_and_decrypt_SM2]
+
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/HMAC/entry/src/main/cpp/napi_init.cpp b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/HMAC/entry/src/main/cpp/napi_init.cpp
index 781dc912304279fca5fa6c8ff4af2c1e99271da6..5e01b344f6d1607fe7bcfcf738763ae0ef8af1e6 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/HMAC/entry/src/main/cpp/napi_init.cpp
+++ b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/HMAC/entry/src/main/cpp/napi_init.cpp
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start hmac]
 #include "huks/native_huks_api.h"
 #include "huks/native_huks_param.h"
 #include "napi/native_api.h"
@@ -111,7 +111,7 @@ static napi_value HmacKey(napi_env env, napi_callback_info info)
     napi_create_int32(env, ohResult.errorCode, &ret);
     return ret;
 }
-
+// [End hmac]
 EXTERN_C_START
 static napi_value Init(napi_env env, napi_value exports)
 {
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/HMAC/entry/src/main/ets/pages/HMAC.ets b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/HMAC/entry/src/main/ets/pages/HMAC.ets
index 2382757540c0a7028dc581a0f7dbc15a81eafe09..925aa809b57ae5dbb1308aaf8eae15c9609699b3 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/HMAC/entry/src/main/ets/pages/HMAC.ets
+++ b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/HMAC/entry/src/main/ets/pages/HMAC.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start hmac_to]
 /*
  * 以下以HMAC密钥的Promise操作使用为例
  */
@@ -118,7 +118,7 @@ async function hMACData() {
       throw (error as Error);
     })
 }
-
+// [End hmac_to]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/KeyDerivation/entry/src/main/cpp/napi_init.cpp b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/KeyDerivation/entry/src/main/cpp/napi_init.cpp
index 0cfae37cb4c3cee38334695bc6efd9eb19b64f05..a7dc694bf6574f93266f62c088336383a7ee5c67 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/KeyDerivation/entry/src/main/cpp/napi_init.cpp
+++ b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/KeyDerivation/entry/src/main/cpp/napi_init.cpp
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start key_derivation]
 #include "huks/native_huks_api.h"
 #include "huks/native_huks_param.h"
 #include "napi/native_api.h"
@@ -124,7 +124,7 @@ static napi_value DeriveKey(napi_env env, napi_callback_info info)
     napi_create_int32(env, ohResult.errorCode, &ret);
     return ret;
 }
-
+// [End key_derivation]
 EXTERN_C_START
 static napi_value Init(napi_env env, napi_value exports)
 {
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/KeyDerivation/entry/src/main/ets/pages/HKDF.ets b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/KeyDerivation/entry/src/main/ets/pages/HKDF.ets
index 5c8b2881e4d7253d31b2e7b700906ae93f6f8f4b..3fc903ac6d54db884a152e52022129c514ede578 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/KeyDerivation/entry/src/main/ets/pages/HKDF.ets
+++ b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/KeyDerivation/entry/src/main/ets/pages/HKDF.ets
@@ -13,6 +13,8 @@
  * limitations under the License.
  */
 
+
+// [Start the_key_is_derived_from_hkdf]
 /*
  * 以下以HKDF密钥的Promise操作使用为例
  */
@@ -323,7 +325,7 @@ async function testDerive() {
   await publicFinishFunc(handle, finishOptions);
   await publicDeleteKeyFunc(srcKeyAlias, huksOptions);
 }
-
+// [End the_key_is_derived_from_hkdf]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/KeyDerivation/entry/src/main/ets/pages/PBKDF2.ets b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/KeyDerivation/entry/src/main/ets/pages/PBKDF2.ets
index e3e0ad78ff5c42f13d38a0432b597e06cce111e4..a79cab1f463e60d1442accd241c4c147e3a61ca4 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/KeyDerivation/entry/src/main/ets/pages/PBKDF2.ets
+++ b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/KeyDerivation/entry/src/main/ets/pages/PBKDF2.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start the_key_is_derived_from_pbkdf2]
 /*
  * 以下以PBKDF2密钥的Promise操作使用为例
  */
@@ -336,7 +336,7 @@ async function testDerive() {
   await publicFinishFunc(handle, finishOptions);
   await publicDeleteKeyFunc(srcKeyAlias, huksOptions);
 }
-
+// [End the_key_is_derived_from_pbkdf2]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/KeyExchange/entry/src/main/cpp/napi_init.cpp b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/KeyExchange/entry/src/main/cpp/napi_init.cpp
index 46554caae9513313f59ee579584015d78bc37ce6..fa6fb399255b212d96a7911c583794121a7fe906 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/KeyExchange/entry/src/main/cpp/napi_init.cpp
+++ b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/KeyExchange/entry/src/main/cpp/napi_init.cpp
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start key_agreement]
 #include "huks/native_huks_api.h"
 #include "huks/native_huks_param.h"
 #include "napi/native_api.h"
@@ -241,6 +241,7 @@ static napi_value AgreeKey(napi_env env, napi_callback_info info)
     return ret;
 }
 
+// [End key_agreement]
 EXTERN_C_START
 static napi_value Init(napi_env env, napi_value exports)
 {
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/KeyExchange/entry/src/main/ets/pages/DH.ets b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/KeyExchange/entry/src/main/ets/pages/DH.ets
index 0732f58f99458e2a7ed8e7b86ca724ba7f8cb9b0..0b85ce3c4d9b138eecb281dd03e4644627a5a505 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/KeyExchange/entry/src/main/ets/pages/DH.ets
+++ b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/KeyExchange/entry/src/main/ets/pages/DH.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start key_agreement_dh]
 /*
 *以下以 DH密钥的Promise操作使用为例
 */
@@ -166,6 +166,8 @@ export default async function huksDhAgreeTest() {
   await huks.deleteKeyItem(aliasBob, emptyOptions);
 }
 
+
+// [End key_agreement_dh]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/KeyExchange/entry/src/main/ets/pages/X25519.ets b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/KeyExchange/entry/src/main/ets/pages/X25519.ets
index c02c8185551ba7f6928058a9b431448d6e6a3673..8f9ea4b9b09aec37518937d32457a2ad9c6f1ebb 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/KeyExchange/entry/src/main/ets/pages/X25519.ets
+++ b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/KeyExchange/entry/src/main/ets/pages/X25519.ets
@@ -12,6 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+// [Start key_agreement_X25519]
 
 /*
 *以下以X25519密钥的Promise操作使用为例
@@ -389,6 +390,8 @@ async function testAgree() {
   await publicDeleteKeyFunc(srcKeyAliasSecond, huksOptions);
 }
 
+
+// [End key_agreement_X25519]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/SigningVerification/entry/src/main/cpp/napi_init.cpp b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/SigningVerification/entry/src/main/cpp/napi_init.cpp
index 59a744a829c667481037b88374f2af43f19c12af..ebef8418ebefda2667d22383a1fd09a198d2f649 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/SigningVerification/entry/src/main/cpp/napi_init.cpp
+++ b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/SigningVerification/entry/src/main/cpp/napi_init.cpp
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start signature_verification_supported_algorithms] 
 #include "huks/native_huks_api.h"
 #include "huks/native_huks_param.h"
 #include "napi/native_api.h"
@@ -142,6 +142,8 @@ static napi_value SignVerifyKey(napi_env env, napi_callback_info info)
     return ret;
 }
 
+
+// [End signature_verification_supported_algorithms] 
 EXTERN_C_START
 static napi_value Init(napi_env env, napi_value exports)
 {
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/SigningVerification/entry/src/main/ets/pages/ECC256SHA256.ets b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/SigningVerification/entry/src/main/ets/pages/ECC256SHA256.ets
index dcc3acc992c346680bf2e50ea3370af7c4236aa3..8e7e018ab21ead2b2bb7fd43fb51e2c23072a1c6 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/SigningVerification/entry/src/main/ets/pages/ECC256SHA256.ets
+++ b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/SigningVerification/entry/src/main/ets/pages/ECC256SHA256.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start key_algorithm_ECC256SHA256]
 /*
  * 密钥算法为ECC256、摘要算法为SHA256
  */
@@ -178,6 +178,8 @@ async function testSignVerify() {
   await deleteEccKey(keyAlias);
 }
 
+
+// [End key_algorithm_ECC256SHA256]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/SigningVerification/entry/src/main/ets/pages/RSASHA256PKCS1_V1_5.ets b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/SigningVerification/entry/src/main/ets/pages/RSASHA256PKCS1_V1_5.ets
index f0de12b0e575000da5e1e7cac5ec60af7f69bf07..8d9bd5897874fcb3988ba9672cb480670efda5db 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/SigningVerification/entry/src/main/ets/pages/RSASHA256PKCS1_V1_5.ets
+++ b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/SigningVerification/entry/src/main/ets/pages/RSASHA256PKCS1_V1_5.ets
@@ -13,6 +13,7 @@
  * limitations under the License.
  */
 
+// [Start key_algorithm_RSASHA256PKCS1_V1_5]
 /*
  * 密钥算法为RSA，摘要算法为SHA256，填充模式为PKCS1_V1_5
  */
@@ -180,6 +181,9 @@ export async function testSignVerify() {
   await deleteRsaKey(keyAlias);
 }
 
+
+
+// [End key_algorithm_RSASHA256PKCS1_V1_5]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/SigningVerification/entry/src/main/ets/pages/RSASHA256PSS.ets b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/SigningVerification/entry/src/main/ets/pages/RSASHA256PSS.ets
index 9aa3789686259015d97c754aaa16fbca5e404313..1f9a89692ca0329aec252454a6649e1f4c48b4dc 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/SigningVerification/entry/src/main/ets/pages/RSASHA256PSS.ets
+++ b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/SigningVerification/entry/src/main/ets/pages/RSASHA256PSS.ets
@@ -12,7 +12,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+//
+// [Start key_algorithm_RSASHA256PSS]
 /*
  * 密钥算法为RSA，摘要算法为SHA256，填充模式为PSS
  */
@@ -188,6 +189,8 @@ export async function testSignVerify() {
   await deleteRsaKey(keyAlias);
 }
 
+
+// [End key_algorithm_RSASHA256PSS]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/SigningVerification/entry/src/main/ets/pages/SM2SM3.ets b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/SigningVerification/entry/src/main/ets/pages/SM2SM3.ets
index d8d926059142894deaff188cc096a3d51ed7d92a..575845c335c0cf2d39793a1b7f860c3a8bfc62db 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/SigningVerification/entry/src/main/ets/pages/SM2SM3.ets
+++ b/code/DocsSample/Security/UniversalKeystoreKit/KeyUsage/SigningVerification/entry/src/main/ets/pages/SM2SM3.ets
@@ -12,7 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start key_algorithm_SM2SM3]
 /*
  * 密钥算法为SM2、摘要算法为SM3
  */
@@ -181,6 +181,8 @@ export async function testSignVerify() {
   await deleteSm2Key(keyAlias);
 }
 
+
+// [End key_algorithm_SM2SM3]
 @Entry
 @Component
 struct Index {
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/OtherOperations/CheckKeyExists/entry/src/main/cpp/napi_init.cpp b/code/DocsSample/Security/UniversalKeystoreKit/OtherOperations/CheckKeyExists/entry/src/main/cpp/napi_init.cpp
index 81b1ce5a0fd6cb37ac6566ba52e6d52330bb560d..a1d73761d5f955c7be413f0554f528126f8376e0 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/OtherOperations/CheckKeyExists/entry/src/main/cpp/napi_init.cpp
+++ b/code/DocsSample/Security/UniversalKeystoreKit/OtherOperations/CheckKeyExists/entry/src/main/cpp/napi_init.cpp
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start query_whether_the_key_exists]
 #include "huks/native_huks_api.h"
 #include "huks/native_huks_param.h"
 #include "napi/native_api.h"
 #include <cstring>
-
+// [StartExclude query_whether_the_key_exists]
 /* 以下以生成ECC密钥为例 */
 OH_Huks_Result InitParamSet(struct OH_Huks_ParamSet **paramSet, const struct OH_Huks_Param *params,
                             uint32_t paramCount)
@@ -62,7 +62,7 @@ static OH_Huks_Result GenerateKeyHelper(const char *alias)
     OH_Huks_FreeParamSet(&testGenerateKeyParamSet);
     return ohResult;
 }
-
+// [EndExclude query_whether_the_key_exists]
 static napi_value IsKeyExist(napi_env env, napi_callback_info info)
 {
     /* 1.获取密钥别名 */
@@ -88,7 +88,7 @@ static napi_value IsKeyExist(napi_env env, napi_callback_info info)
     napi_create_int32(env, ohResult.errorCode, &ret);
     return ret;
 }
-
+// [End query_whether_the_key_exists]
 EXTERN_C_START
 static napi_value Init(napi_env env, napi_value exports)
 {
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/OtherOperations/CheckKeyExists/entry/src/main/ets/pages/CheckKeyExists.ets b/code/DocsSample/Security/UniversalKeystoreKit/OtherOperations/CheckKeyExists/entry/src/main/ets/pages/CheckKeyExists.ets
index b3dcfc0d85bedbe95d4bebe9302ab9a32fddac6f..485547b725cd9d35b0d318c780f6b601ca59e467 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/OtherOperations/CheckKeyExists/entry/src/main/ets/pages/CheckKeyExists.ets
+++ b/code/DocsSample/Security/UniversalKeystoreKit/OtherOperations/CheckKeyExists/entry/src/main/ets/pages/CheckKeyExists.ets
@@ -13,6 +13,8 @@
  * limitations under the License.
  */
 
+
+// [Start querying_the_existence_of_a_key]
 import { huks } from '@kit.UniversalKeystoreKit';
 
 /* 1.确定密钥别名 */
@@ -22,7 +24,7 @@ let isKeyExist: Boolean;
 let huksOptions: huks.HuksOptions = {
   properties: []
 }
-
+// [StartExclude querying_the_existence_of_a_key]
 /* 3.初始化密钥属性集 */
 let generateProperties: huks.HuksParam[] = [
   {
@@ -84,6 +86,7 @@ async function testGenKey(): Promise<string> {
 }
 
 function check(): string {
+// [EndExclude querying_the_existence_of_a_key]
   try {
     /* 1.生成密钥 */
     testGenKey();
@@ -103,6 +106,7 @@ function check(): string {
     console.error(`callback: hasKeyItem input arg invalid, ` + JSON.stringify(error));
     return 'Failed';
   }
+// [End querying_the_existence_of_a_key]
 }
 
 @Entry
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/OtherOperations/GetKeyAttributes/entry/src/main/cpp/napi_init.cpp b/code/DocsSample/Security/UniversalKeystoreKit/OtherOperations/GetKeyAttributes/entry/src/main/cpp/napi_init.cpp
index f12c2e5c701eab8484c5656c93f283c9b87102ab..8250ad5b27f006079f1c0a6d9d69e7178590997b 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/OtherOperations/GetKeyAttributes/entry/src/main/cpp/napi_init.cpp
+++ b/code/DocsSample/Security/UniversalKeystoreKit/OtherOperations/GetKeyAttributes/entry/src/main/cpp/napi_init.cpp
@@ -12,12 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+// [Start obtain_the_key_attributes]
 #include "huks/native_huks_api.h"
 #include "huks/native_huks_param.h"
 #include "napi/native_api.h"
 #include <cstring>
-
+// [StartExclude obtain_the_key_attributes]
 OH_Huks_Result InitParamSet(struct OH_Huks_ParamSet **paramSet, const struct OH_Huks_Param *params,
                             uint32_t paramCount)
 {
@@ -61,12 +61,13 @@ static OH_Huks_Result GenerateKeyHelper(const char *alias)
     OH_Huks_FreeParamSet(&testGenerateKeyParamSet);
     return ohResult;
 }
-
+// [EndExclude obtain_the_key_attributes]
 static napi_value GetKeyParamSet(napi_env env, napi_callback_info info)
 {
     /* 1. 参数构造：确定密钥别名 */
     const char *alias = "test_key";
     struct OH_Huks_Blob aliasBlob = { .size = (uint32_t)strlen(alias), .data = (uint8_t *)alias };
+    // [StartExclude obtain_the_key_attributes]
     /* 生成密钥 */
     OH_Huks_Result genResult = GenerateKeyHelper(alias);
     if (genResult.errorCode != OH_HUKS_SUCCESS) {
@@ -74,6 +75,7 @@ static napi_value GetKeyParamSet(napi_env env, napi_callback_info info)
         napi_create_int32(env, genResult.errorCode, &ret);
         return ret;
     }
+    // [EndExclude obtain_the_key_attributes]
     const size_t paramSetSize = 512;
     /* 构造参数：为参数集申请内存
      * 请业务按实际情况评估大小进行申请
@@ -102,7 +104,7 @@ static napi_value GetKeyParamSet(napi_env env, napi_callback_info info)
     napi_create_int32(env, ohResult.errorCode, &ret);
     return ret;
 }
-
+// [End obtain_the_key_attributes]
 EXTERN_C_START
 static napi_value Init(napi_env env, napi_value exports)
 {
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/OtherOperations/GetKeyAttributes/entry/src/main/ets/pages/GetKeyAttributes.ets b/code/DocsSample/Security/UniversalKeystoreKit/OtherOperations/GetKeyAttributes/entry/src/main/ets/pages/GetKeyAttributes.ets
index 1ef4abdbbc87c62218f7793ab04a84e7199e72dd..9e8c6836c09e51fc4bfc87f10a26f925ea42d7ed 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/OtherOperations/GetKeyAttributes/entry/src/main/ets/pages/GetKeyAttributes.ets
+++ b/code/DocsSample/Security/UniversalKeystoreKit/OtherOperations/GetKeyAttributes/entry/src/main/ets/pages/GetKeyAttributes.ets
@@ -13,6 +13,7 @@
  * limitations under the License.
  */
 
+// [Start obtaining_key_attribute]
 import { huks } from '@kit.UniversalKeystoreKit';
 
 /* 1. 设置密钥别名 */
@@ -21,7 +22,7 @@ let keyAlias = 'keyAlias';
 let emptyOptions: huks.HuksOptions = {
   properties: []
 };
-
+// [StartExclude obtaining_key_attribute]
 let properties1: huks.HuksParam[] = [
   {
     tag: huks.HuksTag.HUKS_TAG_ALGORITHM,
@@ -82,6 +83,7 @@ async function testGenKey(): Promise<string> {
 }
 
 function check(): string {
+// [EndExclude obtaining_key_attribute]
   try {
     /* 1. 生成密钥 */
     testGenKey();
@@ -98,6 +100,7 @@ function check(): string {
     console.error(`callback: getKeyItemProperties input arg invalid, ${JSON.stringify(error)}`);
     return 'Failed';
   }
+// [End obtaining_key_attribute]
 }
 
 @Entry
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/OtherOperations/KeyExport/entry/src/main/cpp/napi_init.cpp b/code/DocsSample/Security/UniversalKeystoreKit/OtherOperations/KeyExport/entry/src/main/cpp/napi_init.cpp
index 33abf36c07a3e2a4553f7e3771027c69162f76a7..7ba85656d95a72f8e1d62b57fb4165aa8065631d 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/OtherOperations/KeyExport/entry/src/main/cpp/napi_init.cpp
+++ b/code/DocsSample/Security/UniversalKeystoreKit/OtherOperations/KeyExport/entry/src/main/cpp/napi_init.cpp
@@ -13,11 +13,12 @@
  * limitations under the License.
  */
 
+// [Start get_persistent_storage_asymmetric_public_keys]
 #include "huks/native_huks_api.h"
 #include "huks/native_huks_param.h"
 #include "napi/native_api.h"
 #include <cstring>
-
+// [StartExclude get_persistent_storage_asymmetric_public_keys]
 /* 以下以生成ECC密钥为例 */
 OH_Huks_Result InitParamSet(struct OH_Huks_ParamSet **paramSet, const struct OH_Huks_Param *params,
                             uint32_t paramCount)
@@ -62,12 +63,13 @@ static OH_Huks_Result GenerateKeyHelper(const char *alias)
     OH_Huks_FreeParamSet(&testGenerateKeyParamSet);
     return ohResult;
 }
-
+// [EndExclude get_persistent_storage_asymmetric_public_keys]
 static napi_value ExportKey(napi_env env, napi_callback_info info)
 {
     /* 1. 参数构造：确定密钥别名 */
     const char *alias = "test_key";
     struct OH_Huks_Blob aliasBlob = { .size = (uint32_t)strlen(alias), .data = (uint8_t *)alias };
+    // [StartExclude get_persistent_storage_asymmetric_public_keys]
     /* 生成密钥 */
     OH_Huks_Result genResult = GenerateKeyHelper(alias);
     if (genResult.errorCode != OH_HUKS_SUCCESS) {
@@ -75,6 +77,7 @@ static napi_value ExportKey(napi_env env, napi_callback_info info)
         napi_create_int32(env, genResult.errorCode, &ret);
         return ret;
     }
+    // [EndExclude get_persistent_storage_asymmetric_public_keys]
     /* 构造参数：为待导出公钥申请内存 */
     uint8_t *pubKey = (uint8_t *)malloc(512); // 请业务按实际密钥大小评估申请
     if (pubKey == nullptr) {
@@ -93,7 +96,7 @@ static napi_value ExportKey(napi_env env, napi_callback_info info)
     napi_create_int32(env, ohResult.errorCode, &ret);
     return ret;
 }
-
+// [End get_persistent_storage_asymmetric_public_keys]
 EXTERN_C_START
 static napi_value Init(napi_env env, napi_value exports)
 {
diff --git a/code/DocsSample/Security/UniversalKeystoreKit/OtherOperations/KeyExport/entry/src/main/ets/pages/KeyExport.ets b/code/DocsSample/Security/UniversalKeystoreKit/OtherOperations/KeyExport/entry/src/main/ets/pages/KeyExport.ets
index 8d01c74c1e9978e65e0d9fa9efd736f70d111074..d5ddb66593094ea82017ca5c0f55549b83859fd9 100755
--- a/code/DocsSample/Security/UniversalKeystoreKit/OtherOperations/KeyExport/entry/src/main/ets/pages/KeyExport.ets
+++ b/code/DocsSample/Security/UniversalKeystoreKit/OtherOperations/KeyExport/entry/src/main/ets/pages/KeyExport.ets
@@ -13,7 +13,8 @@
  * limitations under the License.
  */
 
-import { huks } from '@kit.UniversalKeystoreKit';
+// [Start fetch_persistent_security_public_keys]
+
 
 /* 1. 设置密钥别名 */
 let keyAlias = 'keyAlias';
@@ -21,7 +22,8 @@ let keyAlias = 'keyAlias';
 let emptyOptions: huks.HuksOptions = {
   properties: []
 };
-
+// [StartExclude fetch_persistent_security_public_keys]
+import { huks } from '@kit.UniversalKeystoreKit';
 let properties1: huks.HuksParam[] = [
   {
     tag: huks.HuksTag.HUKS_TAG_ALGORITHM,
@@ -82,9 +84,12 @@ async function testGenKey(): Promise<string> {
 }
 
 function check(): string {
+// [EndExclude fetch_persistent_security_public_keys]
   try {
+    // [StartExclude fetch_persistent_security_public_keys]
     /* 1. 生成密钥 */
     testGenKey()
+    // [EndExclude fetch_persistent_security_public_keys]
     /* 2. 导出密钥 */
     huks.exportKeyItem(keyAlias, emptyOptions, (error, data) => {
       if (error) {
@@ -98,6 +103,7 @@ function check(): string {
     console.error(`callback: exportKeyItem input arg invalid, ${JSON.stringify(error)}`);
     return 'Failed';
   }
+// [End fetch_persistent_security_public_keys]
 }
 
 @Entry