diff --git a/api/@ohos.window.d.ts b/api/@ohos.window.d.ts
index 42a156506b2d2d03a10a5a79c246a52af26260ae..f27621adab02a96ce2837277e0460fbe175295ad 100644
--- a/api/@ohos.window.d.ts
+++ b/api/@ohos.window.d.ts
@@ -884,6 +884,24 @@ declare namespace window {
      * @return The dump info array.
      */
     dump(params: Array<string>): Array<string>;
+    
+    /**
+     * set the flag of the window is forbidden to move in split screen mode
+     * @param isForbidSplitMove the flag of the window is forbidden to move in split screen mode
+     * @syscap SystemCapability.WindowManager.WindowManager.Core
+     * @systemapi
+     * @since 9
+     */
+    setForbidSplitMove(isForbidSplitMove: boolean, callback: AsyncCallback<void>): void;
+
+    /**
+     * set the flag of the window is forbidden to move in split screen mode
+     * @param isForbidSplitMove the flag of the window is forbidden to move in split screen mode
+     * @syscap SystemCapability.WindowManager.WindowManager.Core
+     * @systemapi
+     * @since 9
+     */
+    setForbidSplitMove(isForbidSplitMove: boolean): Promise<void>;
   }
   /**
    * window stage callback event type