diff --git a/ArkDataKit/entry/src/main/ets/pages/LocalDatabaseReader.ets b/ArkDataKit/entry/src/main/ets/pages/LocalDatabaseReader.ets
index 02bec50f72f86bb7675597925b4953d0c42636b9..5f266180f3236a80bdffa8dc862cb5414a5f2656 100644
--- a/ArkDataKit/entry/src/main/ets/pages/LocalDatabaseReader.ets
+++ b/ArkDataKit/entry/src/main/ets/pages/LocalDatabaseReader.ets
@@ -17,7 +17,7 @@
 * FAQ:如何读取本地/预制数据库
 */
 
-// DocsCode 1
+// [Start init_rdb]
 import { fileIo, ReadOptions } from '@kit.CoreFileKit';
 import { resourceManager } from '@kit.LocalizationKit';
 import { relationalStore } from '@kit.ArkData';
@@ -91,9 +91,9 @@ function INIT() {
     console.error(`callback getRawFd failed, error code: ${error.code}, message: ${error.message}.`);
   }
 }
-// DocsCode 1
+// [Start init_rdb]
 
-// DocsCode 2
+// [Start get_rdb]
 function getRDB(): relationalStore.RdbStore | undefined {
   let result: relationalStore.RdbStore | undefined = undefined;
   const STORE_CONFIG: relationalStore.StoreConfig = {
@@ -101,7 +101,7 @@ function getRDB(): relationalStore.RdbStore | undefined {
     securityLevel: relationalStore.SecurityLevel.S1
   };
 
-  relationalStore.getRdbStore(context, STORE_CONFIG, (err, store) => {
+  relationalStore.getRdbStore(context.getHostContext(), STORE_CONFIG, (err, store) => {
     if (err) {
       console.error(`Failed to get RdbStore. Code:${err.code}, message:${err.message}`);
       return;
@@ -112,4 +112,4 @@ function getRDB(): relationalStore.RdbStore | undefined {
   })
   return result;
 }
-// DocsCode 2
\ No newline at end of file
+// [End get_rdb]
\ No newline at end of file
diff --git a/ArkDataKit/entry/src/main/ets/pages/PredicateQuery.ets b/ArkDataKit/entry/src/main/ets/pages/PredicateQuery.ets
index 82e72259c09ed863ea6588206d85d80fd82ce191..f6c45445faf1b7a6e505450b68090b151859de6c 100644
--- a/ArkDataKit/entry/src/main/ets/pages/PredicateQuery.ets
+++ b/ArkDataKit/entry/src/main/ets/pages/PredicateQuery.ets
@@ -17,7 +17,7 @@
 * FAQ:如何通过谓词查询方式获取数据
 */
 
-// DocsCode 1
+// [Start read_the_local_database]
 import { BusinessError } from '@kit.BasicServicesKit';
 import { distributedKVStore } from '@kit.ArkData';
 
@@ -115,4 +115,4 @@ export struct ReadingTheLocalDatabase {
     .height('100%')
   }
 }
-// DocsCode 1
\ No newline at end of file
+// [End read_the_local_database]
\ No newline at end of file