diff --git a/api/@ohos.app.ability.ServiceExtensionAbility.d.ts b/api/@ohos.app.ability.ServiceExtensionAbility.d.ts
index 819f1526abd841d8bb67eaee0b6e3a19b7f573f5..97d78f3f4419cb9b596b8693b52ce9d72dc32f30 100644
--- a/api/@ohos.app.ability.ServiceExtensionAbility.d.ts
+++ b/api/@ohos.app.ability.ServiceExtensionAbility.d.ts
@@ -75,7 +75,7 @@ export default class ServiceExtensionAbility {
      * @StageModelOnly
      * @since 9
      */
-    onConnect(want: Want): rpc.RemoteObject;
+    onConnect(want: Want): rpc.RemoteObject | Promise<rpc.RemoteObject>;
 
     /**
      * Called back when all abilities connected to a service extension are disconnected.
@@ -85,7 +85,7 @@ export default class ServiceExtensionAbility {
      * @StageModelOnly
      * @since 9
      */
-    onDisconnect(want: Want): void;
+    onDisconnect(want: Want): void | Promise<void>;
 
     /**
      * Called when a new client attempts to connect to a service extension after all previous client connections to it
diff --git a/api/@ohos.app.ability.UIAbility.d.ts b/api/@ohos.app.ability.UIAbility.d.ts
index b3c685fa3c50b255e95d7053b0e0330e100d62ba..f28acdf580085aa7ff649502336bac27b877f401 100644
--- a/api/@ohos.app.ability.UIAbility.d.ts
+++ b/api/@ohos.app.ability.UIAbility.d.ts
@@ -240,7 +240,7 @@ export default class UIAbility extends Ability {
      * @StageModelOnly
      * @since 9
      */
-    onDestroy(): void;
+    onDestroy(): void | Promise<void>;
 
     /**
      * Called back when the state of an ability changes to foreground.