diff --git a/zh-cn/application-dev/reference/apis/js-apis-inner-application-abilityDelegator.md b/zh-cn/application-dev/reference/apis/js-apis-inner-application-abilityDelegator.md
index 654266d918243b97d796ce135eb35e3669b37ece..7e1bd8d84a5f9c347bae427164f2f11e4577f781 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-inner-application-abilityDelegator.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-inner-application-abilityDelegator.md
@@ -492,8 +492,8 @@ abilityDelegator = AbilityDelegatorRegistry.getAbilityDelegator();
 abilityDelegator.getCurrentTopAbility((err : any, data : any) => {
     console.info('getCurrentTopAbility callback');
     ability = data;
-    abilityDelegator.doAbilityForeground(ability, (err : any, data : any) => {
-        console.info('doAbilityForeground callback');
+    abilityDelegator.doAbilityForeground(ability, (err : any) => {
+        console.info("doAbilityForeground callback");
     });
 });
 ```
@@ -528,8 +528,8 @@ abilityDelegator = AbilityDelegatorRegistry.getAbilityDelegator();
 abilityDelegator.getCurrentTopAbility((err : any, data : any) => {
     console.info('getCurrentTopAbility callback');
     ability = data;
-    abilityDelegator.doAbilityForeground(ability).then((data : any) => {
-        console.info('doAbilityForeground promise');
+    abilityDelegator.doAbilityForeground(ability).then(() => {
+        console.info("doAbilityForeground promise");
     });
 });
 ```
@@ -559,8 +559,8 @@ abilityDelegator = AbilityDelegatorRegistry.getAbilityDelegator();
 abilityDelegator.getCurrentTopAbility((err : any, data : any) => {
     console.info('getCurrentTopAbility callback');
     ability = data;
-    abilityDelegator.doAbilityBackground(ability, (err : any, data : any) => {
-        console.info('doAbilityBackground callback');
+    abilityDelegator.doAbilityBackground(ability, (err : any) => {
+        console.info("doAbilityBackground callback");
     });
 });
 ```
@@ -595,8 +595,8 @@ abilityDelegator = AbilityDelegatorRegistry.getAbilityDelegator();
 abilityDelegator.getCurrentTopAbility((err : any, data : any) => {
     console.info('getCurrentTopAbility callback');
     ability = data;
-    abilityDelegator.doAbilityBackground(ability).then((data : any) => {
-        console.info('doAbilityBackground promise');
+    abilityDelegator.doAbilityBackground(ability).then(() => {
+        console.info("doAbilityBackground promise");
     });
 });
 ```