diff --git a/zh-cn/application-dev/reference/apis/js-apis-bundleManager.md b/zh-cn/application-dev/reference/apis/js-apis-bundleManager.md
index 8f37fe94f22c35e66c78b173e625afba336665ec..6c2c935ed82c80a3c0abf01d4e58874efc5afd11 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-bundleManager.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-bundleManager.md
@@ -1711,7 +1711,7 @@ let want = {
     bundleName : "com.example.myapplication",
     abilityName : "com.example.myapplication.MainAbility"
 };
-var info;
+let info;
 
 try {
     bundleManager.queryAbilityInfo(want, abilityFlags, userId).then((abilitiesInfo) => {
@@ -1777,7 +1777,7 @@ let want = {
     bundleName : "com.example.myapplication",
     abilityName : "com.example.myapplication.MainAbility"
 };
-var info;
+let info;
 
 try {
     bundleManager.queryAbilityInfo(want, abilityFlags, userId).then((abilitiesInfo) => {
@@ -1924,7 +1924,7 @@ let want = {
     bundleName : "com.example.myapplication",
     abilityName : "com.example.myapplication.MainAbility"
 };
-var info;
+let info;
 
 try {
     bundleManager.queryAbilityInfo(want, abilityFlags, userId).then((abilitiesInfo) => {
@@ -1987,7 +1987,7 @@ let want = {
     bundleName : "com.example.myapplication",
     abilityName : "com.example.myapplication.MainAbility"
 };
-var info;
+let info;
 
 try {
     bundleManager.queryAbilityInfo(want, abilityFlags, userId).then((abilitiesInfo) => {