diff --git a/api/@ohos.distributedHardware.deviceManager.d.ts b/api/@ohos.distributedHardware.deviceManager.d.ts
index caef27b9eef1de822fac1fe2015b69285c0d8c47..f9073f101a47eec65066f63f7fe7a4f2edae7565 100644
--- a/api/@ohos.distributedHardware.deviceManager.d.ts
+++ b/api/@ohos.distributedHardware.deviceManager.d.ts
@@ -510,6 +510,38 @@ declare namespace deviceManager {
      */
     verifyAuthInfo(authInfo: AuthInfo, callback: AsyncCallback<{deviceId: string, level: number}>): void;
 
+    /**
+     * Set user Operation from devicemanager Sea, this interface can only be used by devicemanager Sea.
+     *
+     * @since 9
+     * @param operateAction User Operation Actions.
+     * @param params Indicates the input param of the user.
+     * @throws {BusinessError} 401 - Input parameter error.
+     * @systemapi this method can be used only by system applications.
+     */  
+    setUserOperation(operateAction: number, params: string): void;
+
+    /**
+     * Register a callback from deviceManager service so that the devicemanager ui can be notified when ui statue
+     * changes.
+     *
+     * @since 9
+     * @param callback Indicates the devicemanager ui state to register.
+     * @throws {BusinessError} 401 - Input parameter error.
+     * @systemapi this method can be used only by system applications.
+     */
+    on(type: 'uiStateChange', callback: Callback<{ param: string}>): void;
+
+     /**
+      * Unregister uiStatueChange, this interface can only be used by devicemanager ui.
+      *
+      * @since 9
+      * @param callback Indicates the devicemanager ui state to unregister.
+      * @throws {BusinessError} 401 - Input parameter error.
+      * @systemapi this method can be used only by system applications.
+      */
+    off(type: 'uiStateChange', callback?: Callback<{ param: string}>): void;
+
     /**
      * Register a device state callback so that the application can be notified upon device state changes based on
      * the application bundle name.