diff --git a/api/application/UIExtensionContext.d.ts b/api/application/UIExtensionContext.d.ts
index 46bd0450b668cafda889ef2f36ada5127a28d450..112c8d616f50b29e6e44b75c33b5f2b700fc299b 100755
--- a/api/application/UIExtensionContext.d.ts
+++ b/api/application/UIExtensionContext.d.ts
@@ -498,7 +498,6 @@ declare class UIExtensionContext extends ExtensionContext {
    * @param { Want } want - Indicates the ability to start.
    * @param { AsyncCallback<AbilityResult> } callback - The callback is used to return the result of startAbility.
    * @throws { BusinessError } 201 - The application does not have permission to call the interface.
-   * @throws { BusinessError } 401 - Parameter error. Possible causes: 1.Mandatory parameters are left unspecified. 2.Incorrect parameter types.
    * @throws { BusinessError } 16000001 - The specified ability does not exist.
    * @throws { BusinessError } 16000002 - Incorrect ability type.
    * @throws { BusinessError } 16000004 - Cannot start an invisible component.
@@ -1037,7 +1036,6 @@ declare class UIExtensionContext extends ExtensionContext {
    * @returns { Promise<void> } The promise returned by the function.
    * @throws { BusinessError } 201 - The application does not have permission to call the interface.
    * @throws { BusinessError } 202 - The application is not system-app, can not use system-api.
-   * @throws { BusinessError } 401 - Parameter error. Possible causes: 1.Mandatory parameters are left unspecified. 2.Incorrect parameter types.
    * @throws { BusinessError } 16000001 - The specified ability does not exist.
    * @throws { BusinessError } 16000002 - Incorrect ability type.
    * @throws { BusinessError } 16000004 - Cannot start an invisible component.
@@ -1070,7 +1068,6 @@ declare class UIExtensionContext extends ExtensionContext {
    * @returns { Promise<void> } The promise returned by the function.
    * @throws { BusinessError } 201 - The application does not have permission to call the interface.
    * @throws { BusinessError } 202 - The application is not system-app, can not use system-api.
-   * @throws { BusinessError } 401 - Parameter error. Possible causes: 1.Mandatory parameters are left unspecified. 2.Incorrect parameter types.
    * @throws { BusinessError } 16000001 - The specified ability does not exist.
    * @throws { BusinessError } 16000002 - Incorrect ability type.
    * @throws { BusinessError } 16000004 - Cannot start an invisible component.
@@ -1091,7 +1088,7 @@ declare class UIExtensionContext extends ExtensionContext {
   startServiceExtensionAbilityWithAccount(want: Want, accountId: number): Promise<void>;
 
   /**
-   * Set the uiextension to either not allow being covered by the host page or allow it. 
+   * Set the uiextension to either not allow being covered by the host page or allow it.
    *
    * @param { boolean } isForbidden - Indicates the bool value of uiextension can be covered by host page.
    *                                  True indicates not allowing.