diff --git a/api/@ohos.ability.wantConstant.d.ts b/api/@ohos.ability.wantConstant.d.ts
index 5a858dbad2758da173e1d9fd58634d0f7f672373..c0b1cc914c9152cf9a6000715cd2366be197dabc 100644
--- a/api/@ohos.ability.wantConstant.d.ts
+++ b/api/@ohos.ability.wantConstant.d.ts
@@ -230,7 +230,47 @@ declare namespace wantConstant {
      * @since 9
      * @systemapi Hide this for inner system use.
      */
-    ACTION_MARKET_CROWDTEST = "ohos.want.action.marketCrowdTest"
+    ACTION_MARKET_CROWDTEST = "ohos.want.action.marketCrowdTest",
+
+    /**
+     * Indicates the param of sandbox flag.
+     * 
+     * @since 9
+     * @systemapi Hide this for inner system use.
+     */
+    DLP_PARAMS_SANDBOX = "ohos.dlp.params.sandbox",
+
+    /**
+     * Indicates the param of dlp bundle name.
+     *
+     * @since 9
+     * @systemapi Hide this for inner system use.
+     */
+    DLP_PARAMS_BUNDLE_NAME = "ohos.dlp.params.bundleName",
+
+    /**
+     * Indicates the param of dlp module name.
+     *
+     * @since 9
+     * @systemapi Hide this for inner system use.
+     */
+    DLP_PARAMS_MODULE_NAME = "ohos.dlp.params.moduleName",
+
+    /**
+     * Indicates the param of dlp ability name.
+     *
+     * @since 9
+     * @systemapi Hide this for inner system use.
+     */
+    DLP_PARAMS_ABILITY_NAME = "ohos.dlp.params.abilityName",
+
+    /**
+     * Indicates the param of dlp bundle index.
+     *
+     * @since 9
+     * @systemapi Hide this for inner system use.
+     */
+    DLP_PARAMS_INDEX = "ohos.dlp.params.index"
   }
 
   /**
diff --git a/api/@ohos.application.appManager.d.ts b/api/@ohos.application.appManager.d.ts
index 8cc1d9a98ccdb0b7105fa96e8b49e149702e337d..2f6aeeeb94db3f448f8a9f8b01c4b36188084aec 100644
--- a/api/@ohos.application.appManager.d.ts
+++ b/api/@ohos.application.appManager.d.ts
@@ -29,6 +29,36 @@ import { ProcessRunningInformation as _ProcessRunningInformation } from './appli
  * @permission N/A
  */
 declare namespace appManager {
+    /**
+     * @name ApplicationState
+     * @since 9
+     * @syscap SystemCapability.Ability.AbilityRuntime.Core
+     * @systemapi Hide this for inner system use.
+     * @permission N/A
+     */
+    export enum ApplicationState {
+        STATE_CREATE,
+        STATE_FOREGROUND,
+        STATE_ACTIVE,
+        STATE_BACKGROUND,
+        STATE_DESTROY
+    }
+
+    /**
+     * @name ProcessState
+     * @since 9
+     * @syscap SystemCapability.Ability.AbilityRuntime.Core
+     * @systemapi Hide this for inner system use.
+     * @permission N/A
+     */
+    export enum ProcessState {
+        STATE_CREATE,
+        STATE_FOREGROUND,
+        STATE_ACTIVE,
+        STATE_BACKGROUND,
+        STATE_DESTROY
+    }
+
     /**
      * Register application state observer.
      *
diff --git a/api/application/ApplicationStateObserver.d.ts b/api/application/ApplicationStateObserver.d.ts
index 320238f2cadf66d4561a10c75860925bb53098fd..71cab9a6b377e4695fd7af99c284b0ec5b970f0c 100644
--- a/api/application/ApplicationStateObserver.d.ts
+++ b/api/application/ApplicationStateObserver.d.ts
@@ -69,6 +69,17 @@ export default class ApplicationStateObserver {
      * @return -
      */
     onProcessDied(processData: ProcessData): void;
+
+    /**
+     * Called when process state changes.
+     *
+     * @since 9
+     * @syscap SystemCapability.Ability.AbilityRuntime.Core
+     * @param processData Process info.
+     * @systemapi hide for inner use.
+     * @return -
+     */
+    onProcessStateChanged(processData: ProcessData): void;
 }
 
 /**
diff --git a/api/application/ProcessData.d.ts b/api/application/ProcessData.d.ts
index e96fe473aeb76300f0dc17f7c8fed921f104fadf..9244839db546ab8f1248a7f19d5286c3ec437290 100644
--- a/api/application/ProcessData.d.ts
+++ b/api/application/ProcessData.d.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021 Huawei Device Co., Ltd.
+ * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
  * Licensed under the Apache License, Version 2.0 (the "License"),
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -48,4 +48,31 @@ export default class ProcessData {
      * @systemapi hide for inner use.
      */
     uid: number;
+
+    /**
+     * The process state.
+     *
+     * @since 9
+     * @syscap SystemCapability.Ability.AbilityRuntime.Core
+     * @systemapi hide for inner use.
+     */
+    state: number;
+
+    /**
+     * Whether the process is continuous task.
+     *
+     * @since 9
+     * @syscap SystemCapability.Ability.AbilityRuntime.Core
+     * @systemapi hide for inner use.
+     */
+    isContinuousTask: boolean;
+
+    /**
+     * Whether the process is keep alive.
+     *
+     * @since 9
+     * @syscap SystemCapability.Ability.AbilityRuntime.Core
+     * @systemapi hide for inner use.
+     */
+    isKeepAlive: boolean;
 }
\ No newline at end of file