diff --git a/api/@ohos.screen.d.ts b/api/@ohos.screen.d.ts
index 606ab803d..cb4b19251 100644
--- a/api/@ohos.screen.d.ts
+++ b/api/@ohos.screen.d.ts
@@ -83,6 +83,21 @@ declare namespace screen {
   function setVirtualScreenSurface(screenId:number, surfaceId: string, callback: AsyncCallback<void>): void;
   function setVirtualScreenSurface(screenId:number, surfaceId: string): Promise<void>;
 
+  /**
+   * Get screen rotation lock status.
+   * @since 9
+   */
+  function isScreenRotationLocked(callback: AsyncCallback<boolean>): void;
+  function isScreenRotationLocked(): Promise<boolean>;
+  
+  /**
+   * Set screen rotation lock status.
+   * @param isLocked Indicates whether the screen rotation switch is locked.
+   * @since 9
+   */
+  function setScreenRotationLocked(isLocked:boolean, callback: AsyncCallback<void>): void;
+  function setScreenRotationLocked(isLocked:boolean): Promise<void>;
+
   /**
    * the parameter of making expand screen
    * @syscap SystemCapability.WindowManager.WindowManager.Core
diff --git a/api/@ohos.window.d.ts b/api/@ohos.window.d.ts
index 659499edb..da97685ea 100644
--- a/api/@ohos.window.d.ts
+++ b/api/@ohos.window.d.ts
@@ -567,6 +567,26 @@ declare namespace window {
   */
   function off(type: 'systemBarTintChange', callback?: Callback<SystemBarTintState>): void;
 
+  /**
+   * display orientation
+   * @syscap SystemCapability.WindowManager.WindowManager.Core
+   * @since 9
+   */
+  enum Orientation {
+    UNSPECIFIED = 0,
+    PORTRAIT = 1,
+    LANDSCAPE = 2,
+    PORTRAIT_INVERTED = 3,
+    LANDSCAPE_INVERTED = 4,
+    AUTO_ROTATION = 5,
+    AUTO_ROTATION_PORTRAIT = 6,
+    AUTO_ROTATION_LANDSCAPE = 7,
+    AUTO_ROTATION_RESTRICTED = 8,
+    AUTO_ROTATION_PORTRAIT_RESTRICTED = 9,
+    AUTO_ROTATION_LANDSCAPE_RESTRICTED = 10,
+    LOCKED = 11,
+  }
+
   interface Window {
     /**
      * hide window.
@@ -752,6 +772,22 @@ declare namespace window {
      */
     setSystemBarProperties(systemBarProperties: SystemBarProperties): Promise<void>;
 
+    /**
+     * Set the requested orientation config of the window
+     * @param orientation the orientation config of the window
+     * @syscap SystemCapability.WindowManager.WindowManager.Core
+     * @since 9
+     */
+    setRequestedOrientation(orientation: Orientation): Promise<void>;
+
+    /**
+     * Set the requested orientation config of the window
+     * @param orientation the orientation config of the window
+     * @syscap SystemCapability.WindowManager.WindowManager.Core
+     * @since 9
+     */
+    setRequestedOrientation(orientation: Orientation, callback: AsyncCallback<void>): void;
+
     /**
      * Loads content
      * @param path  path Path of the page to which the content will be loaded