diff --git a/api/@ohos.app.ability.Ability.d.ts b/api/@ohos.app.ability.Ability.d.ts
old mode 100755
new mode 100644
index b41d046740a277dd82ca772da98b3a5a0e9d7cd8..a3efd8a40496b280a849fbc80a7eef0d98083cb8
--- a/api/@ohos.app.ability.Ability.d.ts
+++ b/api/@ohos.app.ability.Ability.d.ts
@@ -309,4 +309,15 @@ export default class Ability {
      * @since 9
      */
     onMemoryLevel(level: AbilityConstant.MemoryLevel): void;
+
+    /**
+     * Called back when an ability prepares to save.
+     * @param reason state type when save.
+     * @param wantParam Indicates the want parameter.
+     * @return 0 if ability agrees to save data successfully, otherwise errcode.
+     * @syscap SystemCapability.Ability.AbilityRuntime.AbilityCore
+     * @stagemodelonly
+     * @since 9
+     */
+    onSaveState(reason: AbilityConstant.StateType, wantParam : {[key: string]: any}): AbilityConstant.OnSaveResult;
 }
diff --git a/api/@ohos.app.ability.AbilityConstant.d.ts b/api/@ohos.app.ability.AbilityConstant.d.ts
index f5c61caeb264a4b638a3d96c8116b4a93b46c926..b02c97e86e8ee7dd70b2cf659b6faca3578adfd8 100644
--- a/api/@ohos.app.ability.AbilityConstant.d.ts
+++ b/api/@ohos.app.ability.AbilityConstant.d.ts
@@ -58,6 +58,7 @@ declare namespace AbilityConstant {
         START_ABILITY = 1,
         CALL = 2,
         CONTINUATION = 3,
+        APP_RECOVERY = 4,
     }
 
     /**
@@ -113,6 +114,34 @@ declare namespace AbilityConstant {
         WINDOW_MODE_SPLIT_SECONDARY = 101,
         WINDOW_MODE_FLOATING = 102,
     }
+
+    /**
+     * Type of onSave result.
+     * @enum { number }
+     * @syscap SystemCapability.Ability.AbilityRuntime.Core
+     * @stagemodelonly
+     * @since 9
+     */
+    export enum OnSaveResult {
+        ALL_AGREE = 0,
+        CONTINUATION_REJECT = 1,
+        CONTINUATION_MISMATCH = 2,
+        RECOVERY_AGREE = 3,
+        RECOVERY_REJECT = 4,
+        ALL_REJECT,
+    }
+
+    /**
+     * Type of save state.
+     * @enum { number }
+     * @syscap SystemCapability.Ability.AbilityRuntime.Core
+     * @stagemodelonly
+     * @since 9
+     */
+    export enum StateType {
+        CONTINUATION = 0,
+        APP_RECOVERY = 1,
+    }
 }
 
 export default AbilityConstant
diff --git a/api/@ohos.application.appRecovery.d.ts b/api/@ohos.app.ability.appRecovery.d.ts
similarity index 94%
rename from api/@ohos.application.appRecovery.d.ts
rename to api/@ohos.app.ability.appRecovery.d.ts
index d98ff25612054d1b6b1e1883faae4e463e9061ab..a9c1cad363145933e7b7fe486906ea252737a17c 100644
--- a/api/@ohos.application.appRecovery.d.ts
+++ b/api/@ohos.app.ability.appRecovery.d.ts
@@ -15,17 +15,16 @@
 
 /**
  * This module provides the capability to app receovery.
- *
- * @since 9
+ * @import appReceovery from '@ohos.app.ability.appRecovery'
  * @syscap SystemCapability.Ability.AbilityRuntime.Core
- * @import appReceovery from '@ohos.application.appRecovery'
+ * @since 9
  */
 declare namespace appReceovery {
     /**
      * The type of no restart mode.
-     *
-     * @since 9
+     * @enum { number }
      * @syscap SystemCapability.Ability.AbilityRuntime.Core
+     * @since 9
      */
     enum RestartFlag {
         /**
@@ -56,9 +55,9 @@ declare namespace appReceovery {
 
     /**
      * The type of when to save.
-     *
-     * @since 9
+     * @enum { number }
      * @syscap SystemCapability.Ability.AbilityRuntime.Core
+     * @since 9
      */
     enum SaveOccasionFlag {
         /**
@@ -74,9 +73,9 @@ declare namespace appReceovery {
 
     /**
      * The type of where to save.
-     *
-     * @since 9
+     * @enum { number }
      * @syscap SystemCapability.Ability.AbilityRuntime.Core
+     * @since 9
      */
     enum SaveModeFlag {
         /**
@@ -92,31 +91,29 @@ declare namespace appReceovery {
 
     /**
      * Enable appRecovery and app supports save and restore
-     *
-     * @since 9
-     * @syscap SystemCapability.Ability.AbilityRuntime.Core
      * @param restart no restart mode
      * @param saveOccasion The type of When to save
      * @param saveMode The type of where to save
-     * @StageModelOnly
+     * @syscap SystemCapability.Ability.AbilityRuntime.Core
+     * @stagemodelonly
+     * @since 9
      */
     function enableAppRecovery(restart?: RestartFlag, saveOccasion?: SaveOccasionFlag, saveMode?: SaveModeFlag) : void;
 
     /**
      * Restart App when called
-     *
-     * @since 9
      * @syscap SystemCapability.Ability.AbilityRuntime.Core
+     * @stagemodelonly
+     * @since 9
      */
     function restartApp(): void;
 
     /**
      * Save App state data when called
-     *
-     * @since 9
-     * @syscap SystemCapability.Ability.AbilityRuntime.Core
      * @return true if save data successfully, otherwise false
-     * @StageModelOnly
+     * @syscap SystemCapability.Ability.AbilityRuntime.Core
+     * @stagemodelonly
+     * @since 9
      */
     function saveAppState(): boolean;
 }