diff --git a/api/@internal/component/ets/web.d.ts b/api/@internal/component/ets/web.d.ts
index 1bdda2c0e01520379a5bd098897bc52f05c00862..583a0289065966d0663c882a560c974a3f8e283d 100755
--- a/api/@internal/component/ets/web.d.ts
+++ b/api/@internal/component/ets/web.d.ts
@@ -12,6 +12,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+import {AsyncCallback} from '../../../basic';
 
 /**
  * Enum type supplied to {@link getMessageLevel} for receiving the console log level of JavaScript.
@@ -133,7 +134,13 @@ declare enum HitTestType {
  */
 declare enum CacheMode {
   /**
-   * load online and not cache.
+   * load cache when they are available and not expired, otherwise load online.
+   * @since 8
+   */
+  Default,
+
+  /**
+   * load cache when they are available, otherwise load online.
    * @since 8
    */
   None,
@@ -151,6 +158,115 @@ declare enum CacheMode {
   Only,
 }
 
+/**
+ * Enum type supplied to {@link renderExitReason} when onRenderExited being called.
+ * @since 8
+ */
+declare enum RenderExitReason {
+  /**
+   * Render process non-zero exit status.
+   * @since 8
+   */
+  PROCESS_ABNORMAL_TERMINATION,
+
+  /**
+   * SIGKILL or task manager kill.
+   * @since 8
+   */
+  PROCESS_WAS_KILLED,
+
+  /**
+   * SIGKILL or task manager kill.
+   * @since 8
+   */
+  PROCESS_CRASHED,
+
+  /**
+   * SIGKILL or task manager kill.
+   * @since 8
+   */
+  PROCESS_OOM,
+
+  /**
+   * SIGKILL or task manager kill.
+   * @since 8
+   */
+  PROCESS_EXIT_UNKNOWN,
+}
+
+/**
+ * Enum type supplied to {@link FileSelectorParam} when onFileSelectorShow being called.
+ * @since 8
+ */
+declare enum FileSelectorMode {
+  /**
+   * Allows single file to be selected.
+   * @since 8
+   */
+  FILE_OPEN_MODE,
+
+  /**
+   * Allows multiple files to be selected.
+   * @since 8
+   */
+  FILE_OPEN_MULTIPLE_MODE,
+
+  /**
+   * Allows file folders to be selected.
+   * @since 8
+   */
+  FILE_OPEN_FOLDER_MODE,
+
+  /**
+   * Allows select files to save.
+   * @since 8
+   */
+  FILE_SAVE_MODE,
+}
+
+/**
+ * Encompassed message information as parameters to {@link onFileSelectorShow} method.
+ * @since 8
+ */
+declare class FileSelectorParam {
+  /**
+   * Constructor.
+   * @since 8
+   */
+  constructor();
+
+  /**
+    * Gets the title of this file selector.
+    * @return Return the title of this file selector.
+    *
+    * @since 8
+    */
+  title(): string;
+
+  /**
+    * Gets the FileSelectorMode of this file selector.
+    * @return Return the FileSelectorMode of this file selector.
+    *
+    * @since 8
+    */
+  mode(): FileSelectorMode;
+
+  /**
+    * Gets an array of acceptable MMIE type.
+    * @return Return an array of acceptable MMIE type.
+    *
+    * @since 8
+    */
+  acceptType(): Array<string>;
+
+  /**
+   * Gets whether this file selector use a live media captured value.
+   * @return Return {@code true} if captured media; return {@code false} otherwise.
+   * @since 8
+   */
+  isCapture(): boolean;
+}
+
 /**
  * Defines the js result.
  * @since 8
@@ -175,6 +291,24 @@ declare class JsResult {
   handleConfirm(): void;
 }
 
+/**
+ * Defines the file selector result, related to {@link onFileSelectorShow} method.
+ * @since 8
+ */
+declare class FileSelectorResult {
+  /**
+   * Constructor.
+   * @since 8
+   */
+  constructor();
+
+   /**
+    * select a list of files.
+    * @since 8
+    */
+  handleFileList(fileList: Array<string>): void;
+}
+
 /**
  * Encompassed message information as parameters to {@link onConsole} method.
  * @since 8
@@ -224,6 +358,11 @@ declare class ConsoleMessage {
   getMessageLevel(): MessageLevel;
 }
 
+/**
+ * Encompassed message information as parameters to {@link onConsole} method.
+ * @since 8
+ */
+
 /**
  * Defines the Web resource request.
  * @since 8
@@ -340,7 +479,7 @@ declare class WebResourceRequest {
  * Defines the Web's request/response header.
  * @since 8
  */
- declare interface Header {
+declare interface Header {
   /**
    * Gets the key of the request/response header.
    * @since 8
@@ -404,6 +543,8 @@ declare class JsGeolocation {
   invoke(origin: string, allow: boolean, retain: boolean): void;
 }
 
+
+
 /**
  * Defines the Web cookie.
  * @since 8
@@ -419,13 +560,15 @@ declare class WebCookie {
    * Sets the cookie.
    * @since 8
    */
-  setCookie();
+  setCookie(url: string, value: string, callback?: AsyncCallback<void>);
+  setCookie(url: string, value: string): Promise<void>;
 
   /**
    * Saves the cookies.
    * @since 8
    */
-  saveCookie();
+  saveCookie(callback?: AsyncCallback<void>);
+  saveCookie(): Promise<void>;
 }
 
 /**
@@ -560,6 +703,12 @@ declare class WebCookie {
    * @since 8
    */
   forward();
+
+  /**
+   * Gets network cookie manager
+   * @since 8
+   */
+  getCookieManager() : WebCookie
 }
 
 /**
@@ -612,6 +761,15 @@ declare class WebAttribute extends CommonMethod<WebAttribute> {
    */
   fileAccess(fileAccess: boolean): WebAttribute;
 
+  /**
+   * Sets whether javaScript running in the context of a file URL can access content from other file URLs.
+   * @param fileFromUrlAccess {@code true} means enable a file URL can access other file URLs;
+   * {@code false} otherwise.
+   * 
+   * @since 8
+   */
+  fileFromUrlAccess(fileFromUrlAccess: boolean): WebAttribute;
+
   /**
    * Sets whether to allow image resources to be loaded from the network.
    * @param onlineImageAccess {@code true} means the Web can allow image resources to be loaded from the network;
@@ -854,7 +1012,7 @@ declare class WebAttribute extends CommonMethod<WebAttribute> {
    *
    * @since 8
    */
-  onRefreshAccessedHistory(callback: (event?: { url: string, refreshed: boolean }) => void): WebAttribute;
+  onRefreshAccessedHistory(callback: (event?: { url: string, isRefreshed: boolean }) => void): WebAttribute;
 
   /**
    * Triggered when the URL loading is intercepted.
@@ -878,7 +1036,7 @@ declare class WebAttribute extends CommonMethod<WebAttribute> {
    *
    * @since 8
    */
-  onRenderExited(callback: (event?: { detail: object }) => boolean): WebAttribute;
+  onRenderExited(callback: (event?: { renderExitReason: RenderExitReason }) => void): WebAttribute;
 
   /**
    * Triggered when the file selector shows.
@@ -886,7 +1044,8 @@ declare class WebAttribute extends CommonMethod<WebAttribute> {
    *
    * @since 8
    */
-  onFileSelectorShow(callback: (event?: { callback: Function, fileSelector: object }) => void): WebAttribute;
+  onFileSelectorShow(callback: (event?: { result: FileSelectorResult, 
+    fileSelector: FileSelectorParam }) => void): WebAttribute;
 }
 
 declare const Web: WebInterface;