diff --git a/api/@ohos.arkui.UIContext.d.ts b/api/@ohos.arkui.UIContext.d.ts
index 9d65406671d9e58da81b472c842c4dd92fa4780c..3f13a070c8d984ff80b62eff9df26a1fcaa581ca 100755
--- a/api/@ohos.arkui.UIContext.d.ts
+++ b/api/@ohos.arkui.UIContext.d.ts
@@ -3447,7 +3447,19 @@ export declare class ComponentSnapshot {
  * @since 11
  */
 export class UIContext {
-      /**
+
+  /**
+   * Get id of the UI instance.
+   *
+   * @returns { number } Returns id of the UI instance.
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @crossplatform
+   * @atomicservice
+   * @since 22
+   */
+  getId(): number;
+  
+  /**
    * Checks whether the UiContext object ia available.
    *
    * @returns { boolean } Returns true if the UIConetxt object is available.
diff --git a/api/@ohos.arkui.UIContext.static.d.ets b/api/@ohos.arkui.UIContext.static.d.ets
index 5b07f38ef099391f34701fc1f553b6fe4754a074..e269cf07d8e9946f97c96e9b5ac02d0dee21f74e 100755
--- a/api/@ohos.arkui.UIContext.static.d.ets
+++ b/api/@ohos.arkui.UIContext.static.d.ets
@@ -2458,6 +2458,16 @@ export declare class ComponentSnapshot {
  * @since 20
  */
 export declare class UIContext {
+
+  /**
+   * Get id of the UI instance.
+   *
+   * @returns { number } Returns id of the UI instance.
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @since 22
+   */
+  getId(): int;
+
   /**
    * get object font.
    *