diff --git a/zh-cn/application-dev/reference/apis/js-apis-update.md b/zh-cn/application-dev/reference/apis/js-apis-update.md
index 5f98c5933047cba367d4691e85abcc6f92ea1327..6cc3b214ff5110c57def5f91dd3698e860136347 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-update.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-update.md
@@ -134,11 +134,11 @@ getNewVersionInfo(callback: AsyncCallback\<NewVersionInfo>): void
 **示例：**
 
 ```
-updater.getNewVersionInfo(info => {
+updater.getNewVersionInfo((err, info) => {
   console.log("getNewVersionInfo success  " + info.status);
-  console.log(`info versionName = ` + info.checkResult[0].versionName);
-  console.log(`info versionCode = ` + info.checkResult[0].versionCode);
-  console.log(`info verifyInfo = ` + info.checkResult[0].verifyInfo);
+  console.log(`info versionName = ` + info.checkResults[0].versionName);
+  console.log(`info versionCode = ` + info.checkResults[0].versionCode);
+  console.log(`info verifyInfo = ` + info.checkResults[0].verifyInfo);
 });
 ```
 
@@ -160,9 +160,9 @@ getNewVersionInfo(): Promise\<NewVersionInfo>
 
 ```
 updater.getNewVersionInfo().then(value => {
-  console.log(`info versionName = ` + value.checkResult[0].versionName);
-  console.log(`info versionCode = ` + value.checkResult[0].versionCode);
-  console.log(`info verifyInfo = ` + value.checkResult[0].verifyInfo);
+  console.log(`info versionName = ` + value.checkResults[0].versionName);
+  console.log(`info versionCode = ` + value.checkResults[0].versionCode);
+  console.log(`info verifyInfo = ` + value.checkResults[0].verifyInfo);
 }).catch(err => {
   console.log("getNewVersionInfo promise error: " + err.code);
 });
@@ -185,11 +185,11 @@ checkNewVersion(callback: AsyncCallback\<NewVersionInfo>): void
 **示例：**
 
 ```
-updater.checkNewVersion(info => {
+updater.checkNewVersion((err, info) => {
   console.log("checkNewVersion success  " + info.status);
-  console.log(`info versionName = ` + info.checkResult[0].versionName);
-  console.log(`info versionCode = ` + info.checkResult[0].versionCode);
-  console.log(`info verifyInfo = ` + info.checkResult[0].verifyInfo);
+  console.log(`info versionName = ` + info.checkResults[0].versionName);
+  console.log(`info versionCode = ` + info.checkResults[0].versionCode);
+  console.log(`info verifyInfo = ` + info.checkResults[0].verifyInfo);
 });
 ```
 
@@ -211,9 +211,9 @@ checkNewVersion(): Promise\<NewVersionInfo>
 
 ```
 updater.checkNewVersion().then(value => {
-  console.log(`info versionName = ` + value.checkResult[0].versionName);
-  console.log(`info versionCode = ` + value.checkResult[0].versionCode);
-  console.log(`info verifyInfo = ` + value.checkResult[0].verifyInfo);
+  console.log(`info versionName = ` + value.checkResults[0].versionName);
+  console.log(`info versionCode = ` + value.checkResults[0].versionCode);
+  console.log(`info verifyInfo = ` + value.checkResults[0].verifyInfo);
 }).catch(err => {
   console.log("checkNewVersion promise error: " + err.code);
 });
@@ -284,7 +284,7 @@ rebootAndCleanUserData(callback: AsyncCallback\<number>): void
 **示例：**
 
 ```
-updater.rebootAndCleanUserData(result => {
+updater.rebootAndCleanUserData((err, result) => {
   console.log("rebootAndCleanUserData ", result)
 });
 ```
@@ -330,7 +330,7 @@ applyNewVersion(callback: AsyncCallback\<number>): void
 **示例：**
 
 ```
-updater.applyNewVersion(result => {
+updater.applyNewVersion((err, result) => {
   console.log("applyNewVersion ", result)
 });
 ```
@@ -399,7 +399,7 @@ let policy = {
   autoUpgradeInterval: [ 2, 3 ],
   autoUpgradeCondition: 2
 }
-updater.setUpdatePolicy(policy, result => {
+updater.setUpdatePolicy(policy, (err, result) => {
   console.log("setUpdatePolicy ", result)
 });
 ```
@@ -458,7 +458,7 @@ getUpdatePolicy(callback: AsyncCallback\<UpdatePolicy>): void
 **示例：**
 
 ```
-updater.getUpdatePolicy(policy => {
+updater.getUpdatePolicy((err, policy) => {
   console.log("getUpdatePolicy success");
   console.log(`policy autoDownload = ` + policy.autoDownload);
   console.log(`policy autoDownloadNet = ` + policy.autoDownloadNet);