diff --git a/api/@ohos.application.abilityDelegatorRegistry.d.ts b/api/@ohos.application.abilityDelegatorRegistry.d.ts
index c2fa8b68e6bd28f59065e8c2208ac58e34295bf9..cd7a48c6b10060fc550ca180aad6b6e4a93355c0 100644
--- a/api/@ohos.application.abilityDelegatorRegistry.d.ts
+++ b/api/@ohos.application.abilityDelegatorRegistry.d.ts
@@ -13,8 +13,8 @@
  * limitations under the License.
  */
 
-import { AbilityDelegator } from './application/abilityDelegator'
-import { AbilityDelegatorArgs } from './application/abilityDelegatorArgs'
+import { AbilityDelegator } from './application/abilityDelegator';
+import { AbilityDelegatorArgs } from './application/abilityDelegatorArgs';
 
 /**
  * A global register used to store the AbilityDelegator and AbilityDelegatorArgs objects registered
diff --git a/api/application/abilityDelegator.d.ts b/api/application/abilityDelegator.d.ts
index ccd8607a7f0fb4f954951c3cc8e57012e3d85be2..d40f9e07a8e17e93c44dcef10954c41a3ed51d1a 100644
--- a/api/application/abilityDelegator.d.ts
+++ b/api/application/abilityDelegator.d.ts
@@ -14,10 +14,11 @@
  */
 
 import { AsyncCallback } from '../basic';
-import { Ability } from '../@ohos.application.Ability'
-import { AbilityMonitor } from './abilityMonitor'
-import { Context } from '../app/context'
-import { ShellCmdResult } from './shellCmdResult'
+import Ability from '../@ohos.application.Ability';
+import { AbilityMonitor } from './abilityMonitor';
+import { Context } from '../app/context';
+import Want from "../@ohos.application.Want";
+import { ShellCmdResult } from './shellCmdResult';
 
 /**
  * A global test utility interface used for adding AbilityMonitor objects and control lifecycle states of abilities.
@@ -90,6 +91,17 @@ export interface AbilityDelegator {
     getCurrentTopAbility(callback: AsyncCallback<Ability>): void;
     getCurrentTopAbility(): Promise<Ability>
 
+    /**
+     * Start a new ability.
+     *
+     * @since 9
+     * @syscap SystemCapability.Ability.AbilityRuntime.Core
+     * @param want Indicates the ability to start
+     * @return -
+     */
+    startAbility(want: Want, callback: AsyncCallback<void>): void;
+    startAbility(want: Want): Promise<void>;
+
     /**
      * Invoke the Ability.onForeground() callback of a specified ability without changing its lifecycle state.
      *
@@ -137,12 +149,11 @@ export interface AbilityDelegator {
     executeShellCommand(cmd: string, timeoutSecs?: number): Promise<ShellCmdResult>;
 
     /**
-     * Prints log information to the unit testing console.
+     * Finish the test and print log information to the unit testing console.
      * The total length of the log information to be printed cannot exceed 1000 characters.
      *
-     * @since 8
+     * @since 9
      * @syscap SystemCapability.Ability.AbilityRuntime.Core
-     * @systemapi Hide this for inner system use.
      * @param msg Log information
      * @param code Result code
      */
diff --git a/api/application/abilityMonitor.d.ts b/api/application/abilityMonitor.d.ts
index 81806c4369611e8fb3aaefa64ab368a0c452dc68..6af8397d2af4374028708d8c240d8dcc38d3f524 100644
--- a/api/application/abilityMonitor.d.ts
+++ b/api/application/abilityMonitor.d.ts
@@ -13,6 +13,8 @@
  * limitations under the License.
  */
 
+import Ability from '../@ohos.application.Ability';
+
 /**
  * Provide methods for matching monitored Ability objects that meet specified conditions.
  * The most recently matched Ability objects will be saved in the AbilityMonitor object.
@@ -37,7 +39,7 @@ export interface AbilityMonitor {
      * @since 9
      * @syscap SystemCapability.Ability.AbilityRuntime.Core
      */
-    onAbilityCreate?:() => void;
+    onAbilityCreate?:(data: Ability) => void;
 
     /**
      * Called back when the state of the ability changes to foreground.
@@ -45,7 +47,7 @@ export interface AbilityMonitor {
      * @since 9
      * @syscap SystemCapability.Ability.AbilityRuntime.Core
      */
-    onAbilityForeground?:() => void;
+    onAbilityForeground?:(data: Ability) => void;
 
     /**
      * Called back when the state of the ability changes to background.
@@ -53,7 +55,7 @@ export interface AbilityMonitor {
      * @since 9
      * @syscap SystemCapability.Ability.AbilityRuntime.Core
      */
-    onAbilityBackground?:() => void;
+    onAbilityBackground?:(data: Ability) => void;
 
     /**
      * Called back before the ability is destroyed.
@@ -61,7 +63,7 @@ export interface AbilityMonitor {
      * @since 9
      * @syscap SystemCapability.Ability.AbilityRuntime.Core
      */
-    onAbilityDestroy?:() => void;
+    onAbilityDestroy?:(data: Ability) => void;
 
     /**
      * Called back when an ability window stage is created.
@@ -69,7 +71,7 @@ export interface AbilityMonitor {
      * @since 9
      * @syscap SystemCapability.Ability.AbilityRuntime.Core
      */
-    onWindowStageCreate?:() => void;
+    onWindowStageCreate?:(data: Ability) => void;
 
     /**
      * Called back when an ability window stage is restored.
@@ -77,7 +79,7 @@ export interface AbilityMonitor {
      * @since 9
      * @syscap SystemCapability.Ability.AbilityRuntime.Core
      */
-    onWindowStageRestore?:() => void;
+    onWindowStageRestore?:(data: Ability) => void;
 
     /**
      * Called back when an ability window stage is destroyed.
@@ -85,7 +87,7 @@ export interface AbilityMonitor {
      * @since 9
      * @syscap SystemCapability.Ability.AbilityRuntime.Core
      */
-    onWindowStageDestroy?:() => void;
+    onWindowStageDestroy?:(data: Ability) => void;
 }
 
 export default AbilityMonitor;
\ No newline at end of file
diff --git a/api/application/shellCmdResult.d.ts b/api/application/shellCmdResult.d.ts
index 78e64926aba74fcb5ac9ee25788916e4a13b6c02..8ba156f4ad07d84107a206642fda79da850261bc 100644
--- a/api/application/shellCmdResult.d.ts
+++ b/api/application/shellCmdResult.d.ts
@@ -28,7 +28,7 @@ export interface ShellCmdResult {
      * @since 8
      * @syscap SystemCapability.Ability.AbilityRuntime.Core
      */
-    stdResult: String;
+    stdResult: string;
 
     /**
      * shell cmd exec result.