diff --git a/zh-cn/application-dev/reference/apis/js-apis-appAccount.md b/zh-cn/application-dev/reference/apis/js-apis-appAccount.md
index f5ca7e2cd9712a68cf9ba285f877d01093d4d592..37b084c3b3e5f2e2cb74e8f4c3f06ba94a3d90e7 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-appAccount.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-appAccount.md
@@ -64,7 +64,6 @@ createAccount(name: string, callback: AsyncCallback<void>): void;
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.createAccount("WangWu", (err) => { 
         console.log("createAccount err: " + JSON.stringify(err));
@@ -102,7 +101,6 @@ createAccount(name: string, options: CreateAccountOptions, callback: AsyncCallba
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   let options = {
     customData: {
       "age": "10"
@@ -155,7 +153,6 @@ createAccount(name: string, options?: CreateAccountOptions): Promise<void>
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   let options = {
     customData: {
       "age": "10"
@@ -215,7 +212,6 @@ createAccountImplicitly(owner: string, callback: AuthCallback): void
     });
   }
 
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {  
     appAccountManager.createAccountImplicitly("com.example.accountjsdemo", {
       onResult: onResultCallback,
@@ -270,7 +266,6 @@ createAccountImplicitly(owner: string, options: CreateAccountImplicitlyOptions,
     });
   }
 
-  let appAccountManager = account_appAccount.createAppAccountManager();
   let options = {
     authType: "getSocialData",
     requiredLabels: [ "student" ]
@@ -311,7 +306,6 @@ removeAccount(name: string, callback: AsyncCallback<void>): void
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.removeAccount("ZhaoLiu", (err) => {
       if (err) {
@@ -356,7 +350,6 @@ removeAccount(name: string): Promise<void>
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.removeAccount("Lisi").then(() => {
       console.log("removeAccount successfully");
@@ -397,7 +390,6 @@ setAppAccess(name: string, bundleName: string, isAccessible: boolean, callback:
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.setAppAccess("ZhangSan", "com.example.accountjsdemo", true, (err) => {
       if (err) {
@@ -445,7 +437,6 @@ setAppAccess(name: string, bundleName: string, isAccessible: boolean): Promise&l
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.setAppAccess("ZhangSan", "com.example.accountjsdemo", true).then(() => {
       console.log("setAppAccess successfully");
@@ -485,7 +476,6 @@ checkAppAccess(name: string, bundleName: string, callback: AsyncCallback<bool
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.checkAppAccess("ZhangSan", "com.example.accountjsdemo", (err, isAccessible) => {
       if (err) {
@@ -532,7 +522,6 @@ checkAppAccess(name: string, bundleName: string): Promise<boolean>
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.checkAppAccess("ZhangSan", "com.example.accountjsdemo").then((isAccessible) => {
       console.log("checkAppAccess successfully, isAccessible: " + isAccessible);
@@ -573,7 +562,6 @@ setDataSyncEnabled(name: string, isEnabled: boolean, callback: AsyncCallback<
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
       appAccountManager.setDataSyncEnabled("ZhangSan", true, (err) => { 
           console.log("setDataSyncEnabled err: " + JSON.stringify(err));
@@ -617,7 +605,6 @@ setDataSyncEnabled(name: string, isEnabled: boolean): Promise<void>
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
       appAccountManager .setDataSyncEnabled("ZhangSan", true).then(() => { 
           console.log('setDataSyncEnabled Success');
@@ -657,7 +644,6 @@ checkDataSyncEnabled(name: string, callback: AsyncCallback<boolean>): void
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.checkDataSyncEnabled("ZhangSan", (err, isEnabled) => {
       if (err) {
@@ -704,7 +690,6 @@ checkDataSyncEnabled(name: string): Promise<boolean>
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.checkDataSyncEnabled("ZhangSan").then((isEnabled) => {
         console.log("checkDataSyncEnabled successfully, isEnabled: " + isEnabled);
@@ -744,7 +729,6 @@ setCredential(name: string, credentialType: string, credential: string,callback:
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.setCredential("ZhangSan", "PIN_SIX", "xxxxxx", (err) => {
       if (err) {
@@ -791,7 +775,6 @@ setCredential(name: string, credentialType: string, credential: string): Promise
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.setCredential("ZhangSan", "PIN_SIX", "xxxxxx").then(() => {
       console.log("setCredential successfully");
@@ -831,7 +814,6 @@ getCredential(name: string, credentialType: string, callback: AsyncCallback<s
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
       appAccountManager.getCredential("ZhangSan", "PIN_SIX", (err, result) => { 
         if (err) {
@@ -878,7 +860,6 @@ getCredential(name: string, credentialType: string): Promise<string>
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.getCredential("ZhangSan", "PIN_SIX").then((credential) => {
         console.log("getCredential successfully, credential: " + credential);
@@ -919,7 +900,6 @@ setCustomData(name: string, key: string, value: string, callback: AsyncCallback&
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.setCustomData("ZhangSan", "age", "12", (err) => {
       if (err) {
@@ -967,7 +947,6 @@ setCustomData(name: string, key: string, value: string): Promise<void>
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.setCustomData("ZhangSan", "age", "12").then(() => {
       console.log("setCustomData successfully");
@@ -1007,7 +986,6 @@ getCustomData(name: string, key: string, callback: AsyncCallback<string>):
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.getCustomData("ZhangSan", "age", (err, data) => {
       if (err) {
@@ -1054,7 +1032,6 @@ getCustomData(name: string, key: string): Promise<string>
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.getCustomData("ZhangSan", "age").then((data) => {
       console.log("getCustomData successfully, data: " + data);
@@ -1099,7 +1076,6 @@ getCustomDataSync(name: string, key: string): string;
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
       let value = appAccountManager.getCustomDataSync("ZhangSan", "age");
       console.info("getCustomDataSync successfully, vaue:" + value);
@@ -1133,7 +1109,6 @@ getAllAccounts(callback: AsyncCallback<Array<AppAccountInfo>>): void
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.getAllAccounts((err, data) => {
       if (err) {
@@ -1172,7 +1147,6 @@ getAllAccounts(): Promise<Array<AppAccountInfo>>
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.getAllAccounts().then((data) => {
       console.debug("getAllAccounts successfully");
@@ -1212,7 +1186,6 @@ getAccountsByOwner(owner: string, callback: AsyncCallback<Array<AppAccount
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.getAccountsByOwner("com.example.accountjsdemo2", (err, data) => {
       if (err) {
@@ -1259,7 +1232,6 @@ getAccountsByOwner(owner: string): Promise<Array<AppAccountInfo>>
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.getAccountsByOwner("com.example.accountjsdemo2").then((data) => {
       console.debug("getAccountsByOwner successfully, data:" + JSON.stringify(data));
@@ -1299,7 +1271,6 @@ on(type: 'accountChange', owners: Array<string>, callback: Callback<Arr
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   function changeOnCallback(data){
   	console.log("receive change data:" + JSON.stringify(data));
   }
@@ -1336,7 +1307,6 @@ off(type: 'accountChange', callback?: Callback<Array\<AppAccountInfo>>): void
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   function changeOnCallback(data){
   	console.log("receive change data:" + JSON.stringify(data));
   }
@@ -1398,7 +1368,6 @@ auth(name: string, owner: string, authType: string, callback: AuthCallback): voi
     });
   }
 
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.auth("LiSi", "com.example.accountjsdemo", "getSocialData", {
         onResult: onResultCallback,
@@ -1458,7 +1427,6 @@ auth(name: string, owner: string, authType: string, options: {[key: string]: Obj
   let options = {
     "password": "xxxx",
   };
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.auth("LiSi", "com.example.accountjsdemo", "getSocialData", options, {
         onResult: onResultCallback,
@@ -1498,7 +1466,6 @@ getAuthToken(name: string, owner: string, authType: string, callback: AsyncCallb
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.getAuthToken("LiSi", "com.example.accountjsdemo", "getSocialData", (err, token) => {
       if (err) {
@@ -1546,7 +1513,6 @@ getAuthToken(name: string, owner: string, authType: string): Promise&lt;string&g
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.getAuthToken("LiSi", "com.example.accountjsdemo", "getSocialData").then((token) => {
       console.log("getAuthToken successfully, token: " + token);
@@ -1587,7 +1553,6 @@ setAuthToken(name: string, authType: string, token: string, callback: AsyncCallb
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.setAuthToken("LiSi", "getSocialData", "xxxx", (err) => {
       if (err) {
@@ -1635,7 +1600,6 @@ setAuthToken(name: string, authType: string, token: string): Promise&lt;void&gt;
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.setAuthToken("LiSi", "getSocialData", "xxxx").then(() => {
         console.log("setAuthToken successfully");
@@ -1677,7 +1641,6 @@ deleteAuthToken(name: string, owner: string, authType: string, token: string, ca
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
       appAccountManager.deleteAuthToken("LiSi", "com.example.accountjsdemo", "getSocialData", "xxxxx", (err) => {
         if (err) {
@@ -1726,7 +1689,6 @@ deleteAuthToken(name: string, owner: string, authType: string, token: string): P
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.deleteAuthToken("LiSi", "com.example.accountjsdemo", "getSocialData", "xxxxx").then(() => {
       console.log("deleteAuthToken successfully");
@@ -1770,7 +1732,6 @@ setAuthTokenVisibility(name: string, authType: string, bundleName: string, isVis
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
       appAccountManager.setAuthTokenVisibility("LiSi", "getSocialData", "com.example.accountjsdemo", true, (err) => {
         if (err) {
@@ -1821,7 +1782,6 @@ setAuthTokenVisibility(name: string, authType: string, bundleName: string, isVis
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.setAuthTokenVisibility("LiSi", "getSocialData", "com.example.accountjsdemo", true).then(() => {
       console.log("setAuthTokenVisibility successfully");
@@ -1863,7 +1823,6 @@ checkAuthTokenVisibility(name: string, authType: string, bundleName: string, cal
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.checkAuthTokenVisibility("LiSi", "getSocialData", "com.example.accountjsdemo", (err, isVisible) => {
       if (err) {
@@ -1912,7 +1871,6 @@ checkAuthTokenVisibility(name: string, authType: string, bundleName: string): Pr
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.checkAuthTokenVisibility("LiSi", "getSocialData", "com.example.accountjsdemo").then((isVisible) => {
       console.log("checkAuthTokenVisibility successfully, isVisible: " + isVisible);
@@ -1951,7 +1909,6 @@ getAllAuthTokens(name: string, owner: string, callback: AsyncCallback&lt;Array&l
 **示例：** 
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.getAllAuthTokens("LiSi", "com.example.accountjsdemo", (err, tokenArr) => {
       if (err) {
@@ -1997,7 +1954,6 @@ getAllAuthTokens(name: string, owner: string): Promise&lt;Array&lt;AuthTokenInfo
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.getAllAuthTokens("LiSi", "com.example.accountjsdemo").then((tokenArr) => {
         console.log('getAllAuthTokens successfully, tokenArr: ' + JSON.stringify(tokenArr));
@@ -2037,7 +1993,6 @@ getAuthList(name: string, authType: string, callback: AsyncCallback&lt;Array&lt;
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.getAuthList("com.example.accountjsdemo", "getSocialData", (err, authList) => {
       if (err) {
@@ -2084,7 +2039,6 @@ getAuthList(name: string, authType: string): Promise&lt;Array&lt;string&gt;&gt;
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.getAuthList("com.example.accountjsdemo", "getSocialData").then((authList) => {
         console.log("getAuthList successfully, authList: " + authList);
@@ -2123,7 +2077,6 @@ getAuthCallback(sessionId: string, callback: AsyncCallback&lt;AuthCallback&gt;):
 
   ```js
   import featureAbility from '@ohos.ability.featureAbility';
-  let appAccountManager = account_appAccount.createAppAccountManager();
   featureAbility.getWant((err, want) => {
     var sessionId = want.parameters[account_appAccount.Constants.KEY_SESSION_ID];
     try {
@@ -2183,7 +2136,6 @@ getAuthCallback(sessionId: string): Promise&lt;AuthCallback&gt;
   ```js
   import featureAbility from '@ohos.ability.featureAbility';
 
-  let appAccountManager = account_appAccount.createAppAccountManager();
   featureAbility.getWant().then((want) => {
       var sessionId = want.parameters[account_appAccount.Constants.KEY_SESSION_ID];
       try {
@@ -2236,7 +2188,6 @@ queryAuthenticatorInfo(owner: string, callback: AsyncCallback&lt;AuthenticatorIn
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.queryAuthenticatorInfo("com.example.accountjsdemo", (err, info) => {
       if (err) {
@@ -2281,7 +2232,6 @@ queryAuthenticatorInfo(owner: string): Promise&lt;AuthenticatorInfo&gt;
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.queryAuthenticatorInfo("com.example.accountjsdemo").then((info) => { 
         console.log("queryAuthenticatorInfo successfully, info: " + JSON.stringify(info));
@@ -2324,7 +2274,6 @@ checkAccountLabels(name: string, owner: string, labels: Array&lt;string&gt;, cal
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   let labels = ["student"];
   try {
     appAccountManager.checkAccountLabels("zhangsan", "com.example.accountjsdemo", labels, (err, hasAllLabels) => {
@@ -2375,7 +2324,6 @@ checkAccountLabels(name: string, owner: string, labels: Array&lt;string&gt;): Pr
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   let labels = ["student"];
   try {
     appAccountManager.checkAccountLabels("zhangsan", "com.example.accountjsdemo", labels).then((hasAllLabels) => {
@@ -2416,7 +2364,6 @@ deleteCredential(name: string, credentialType: string, callback: AsyncCallback&l
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.deleteCredential("zhangsan", "PIN_SIX", (err) => {
       if (err) {
@@ -2463,7 +2410,6 @@ deleteCredential(name: string, credentialType: string): Promise&lt;void&gt;
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.deleteCredential("zhangsan", "PIN_SIX").then(() => {
       console.log("deleteCredential successfully");
@@ -2502,7 +2448,6 @@ selectAccountsByOptions(options: SelectAccountsOptions, callback: AsyncCallback&
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   let options = {
     allowedOwners: [ "com.example.accountjsdemo" ],
     requiredLabels: [ "student" ]
@@ -2552,7 +2497,6 @@ selectAccountsByOptions(options: SelectAccountsOptions): Promise&lt;Array&lt;App
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   let options = {
     allowedOwners: ["com.example.accountjsdemo"]
   };
@@ -2597,7 +2541,6 @@ verifyCredential(name: string, owner: string, callback: AuthCallback): void;
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
       appAccountManager.verifyCredential("zhangsan", "com.example.accountjsdemo", {
           onResult: (resultCode, result) => {
@@ -2644,7 +2587,6 @@ verifyCredential(name: string, owner: string, options: VerifyCredentialOptions,
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   let options = {
     credentialType: "pin",
     credential: "123456"
@@ -2692,7 +2634,6 @@ setAuthenticatorProperties(owner: string, callback: AuthCallback): void;
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   try {
     appAccountManager.setAuthenticatorProperties("com.example.accountjsdemo", {
       onResult: (resultCode, result) => {
@@ -2737,7 +2678,6 @@ setAuthenticatorProperties(owner: string, options: SetPropertiesOptions, callbac
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   let options = {
     properties: {"prop1": "value1"}
   };
@@ -2780,7 +2720,6 @@ addAccount(name: string, callback: AsyncCallback&lt;void&gt;): void
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.addAccount("WangWu", (err) => { 
       console.log("addAccount err: " + JSON.stringify(err));
   });
@@ -2808,7 +2747,6 @@ addAccount(name: string, extraInfo: string, callback: AsyncCallback&lt;void&gt;)
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.addAccount("LiSi", "token101", (err) => { 
     console.log("addAccount err: " + JSON.stringify(err));
   });
@@ -2841,7 +2779,6 @@ addAccount(name: string, extraInfo?: string): Promise&lt;void&gt;
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.addAccount("LiSi", "token101").then(()=> { 
     console.log('addAccount Success');
   }).catch((err) => {
@@ -2887,7 +2824,6 @@ addAccountImplicitly(owner: string, authType: string, options: {[key: string]: a
     });
   }
 
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.addAccountImplicitly("com.example.accountjsdemo", "getSocialData", {}, {
     onResult: onResultCallback,
     onRequestRedirected: onRequestRedirectedCallback
@@ -2916,7 +2852,6 @@ deleteAccount(name: string, callback: AsyncCallback&lt;void&gt;): void
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.deleteAccount("ZhaoLiu", (err) => { 
       console.log("deleteAccount err: " + JSON.stringify(err));
    });
@@ -2949,7 +2884,6 @@ deleteAccount(name: string): Promise&lt;void&gt;
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.deleteAccount("ZhaoLiu").then(() => { 
         console.log('deleteAccount Success');
    }).catch((err) => {
@@ -2979,7 +2913,6 @@ disableAppAccess(name: string, bundleName: string, callback: AsyncCallback&lt;vo
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.disableAppAccess("ZhangSan", "com.example.accountjsdemo", (err) => { 
       console.log("disableAppAccess err: " + JSON.stringify(err));
   });
@@ -3013,7 +2946,6 @@ disableAppAccess(name: string, bundleName: string): Promise&lt;void&gt;
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.disableAppAccess("ZhangSan", "com.example.accountjsdemo").then(() => { 
       console.log('disableAppAccess Success');
   }).catch((err) => {
@@ -3044,7 +2976,6 @@ enableAppAccess(name: string, bundleName: string, callback: AsyncCallback&lt;voi
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.enableAppAccess("ZhangSan", "com.example.accountjsdemo", (err) => { 
       console.log("enableAppAccess: " + JSON.stringify(err));
    });
@@ -3078,7 +3009,6 @@ enableAppAccess(name: string, bundleName: string): Promise&lt;void&gt;
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.enableAppAccess("ZhangSan", "com.example.accountjsdemo").then(() => { 
        console.log('enableAppAccess Success');
   }).catch((err) => {
@@ -3110,7 +3040,6 @@ checkAppAccountSyncEnable(name: string, callback: AsyncCallback&lt;boolean&gt;):
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.checkAppAccountSyncEnable("ZhangSan", (err, result) => { 
       console.log("checkAppAccountSyncEnable err: " + JSON.stringify(err));
       console.log('checkAppAccountSyncEnable result: ' + result);
@@ -3146,7 +3075,6 @@ checkAppAccountSyncEnable(name: string): Promise&lt;boolean&gt;
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.checkAppAccountSyncEnable("ZhangSan").then((data) => { 
       console.log('checkAppAccountSyncEnable, result: ' + data);
   }).catch((err) => {
@@ -3178,7 +3106,6 @@ setAccountCredential(name: string, credentialType: string, credential: string,ca
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.setAccountCredential("ZhangSan", "credentialType001", "credential001", (err) => { 
       console.log("setAccountCredential err: " + JSON.stringify(err));
   });
@@ -3213,7 +3140,6 @@ setAccountCredential(name: string, credentialType: string, credential: string):
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.setAccountCredential("ZhangSan", "credentialType001", "credential001").then(() => { 
       console.log('setAccountCredential Success');
   }).catch((err) => {
@@ -3245,7 +3171,6 @@ setAccountExtraInfo(name: string, extraInfo: string, callback: AsyncCallback&lt;
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.setAccountExtraInfo("ZhangSan", "Tk002", (err) => { 
       console.log("setAccountExtraInfo err: " + JSON.stringify(err));
   });
@@ -3280,7 +3205,6 @@ setAccountExtraInfo(name: string, extraInfo: string): Promise&lt;void&gt;
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.setAccountExtraInfo("ZhangSan", "Tk002").then(() => { 
       console.log('setAccountExtraInfo Success');
   }).catch((err) => {
@@ -3313,7 +3237,6 @@ setAppAccountSyncEnable(name: string, isEnable: boolean, callback: AsyncCallback
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.setAppAccountSyncEnable("ZhangSan", true, (err) => { 
       console.log("setAppAccountSyncEnable err: " + JSON.stringify(err));
   });
@@ -3349,7 +3272,6 @@ setAppAccountSyncEnable(name: string, isEnable: boolean): Promise&lt;void&gt;
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager .setAppAccountSyncEnable("ZhangSan", true).then(() => { 
       console.log('setAppAccountSyncEnable Success');
   }).catch((err) => {
@@ -3382,7 +3304,6 @@ setAssociatedData(name: string, key: string, value: string, callback: AsyncCallb
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.setAssociatedData("ZhangSan", "k001", "v001", (err) => { 
       console.log("setAssociatedData err: " + JSON.stringify(err));
   });
@@ -3418,7 +3339,6 @@ setAssociatedData(name: string, key: string, value: string): Promise&lt;void&gt;
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.setAssociatedData("ZhangSan", "k001", "v001").then(() => { 
       console.log('setAssociatedData Success');
   }).catch((err) => {
@@ -3449,7 +3369,6 @@ getAllAccessibleAccounts(callback: AsyncCallback&lt;Array&lt;AppAccountInfo&gt;&
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.getAllAccessibleAccounts((err, data)=>{
   	console.debug("getAllAccessibleAccounts err:" + JSON.stringify(err));
   	console.debug("getAllAccessibleAccounts data:" + JSON.stringify(data));
@@ -3479,7 +3398,6 @@ getAllAccessibleAccounts(): Promise&lt;Array&lt;AppAccountInfo&gt;&gt;
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.getAllAccessibleAccounts().then((data) => { 
        console.log('getAllAccessibleAccounts: ' + data);
   }).catch((err) => {
@@ -3511,7 +3429,6 @@ getAllAccounts(owner: string, callback: AsyncCallback&lt;Array&lt;AppAccountInfo
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   const selfBundle = "com.example.actsgetallaaccounts";
   appAccountManager.getAllAccounts(selfBundle, (err, data)=>{
   	console.debug("getAllAccounts err:" + JSON.stringify(err));
@@ -3548,7 +3465,6 @@ getAllAccounts(owner: string): Promise&lt;Array&lt;AppAccountInfo&gt;&gt;
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   const selfBundle = "com.example.actsgetallaaccounts";
   appAccountManager.getAllAccounts(selfBundle).then((data) => { 
        console.log('getAllAccounts: ' + data);
@@ -3580,7 +3496,6 @@ getAccountCredential(name: string, credentialType: string, callback: AsyncCallba
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.getAccountCredential("ZhangSan", "credentialType001", (err, result) => { 
       console.log("getAccountCredential err: " + JSON.stringify(err));
       console.log('getAccountCredential result: ' + result);
@@ -3615,7 +3530,6 @@ getAccountCredential(name: string, credentialType: string): Promise&lt;string&gt
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.getAccountCredential("ZhangSan", "credentialType001").then((data) => { 
       console.log('getAccountCredential, result: ' + data);
   }).catch((err) => {
@@ -3645,7 +3559,6 @@ getAccountExtraInfo(name: string, callback: AsyncCallback&lt;string&gt;): void
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.getAccountExtraInfo("ZhangSan", (err, result) => { 
       console.log("getAccountExtraInfo err: " + JSON.stringify(err));
       console.log('getAccountExtraInfo result: ' + result);
@@ -3679,7 +3592,6 @@ getAccountExtraInfo(name: string): Promise&lt;string&gt;
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.getAccountExtraInfo("ZhangSan").then((data) => { 
       console.log('getAccountExtraInfo, result: ' + data);
   }).catch((err) => {
@@ -3710,7 +3622,6 @@ getAssociatedData(name: string, key: string, callback: AsyncCallback&lt;string&g
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.getAssociatedData("ZhangSan", "k001", (err, result) => { 
       console.log("getAssociatedData err: " + JSON.stringify(err));
       console.log('getAssociatedData result: ' + result);
@@ -3745,7 +3656,6 @@ getAssociatedData(name: string, key: string): Promise&lt;string&gt;
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.getAssociatedData("ZhangSan", "k001").then((data) => { 
        console.log('getAssociatedData: ' + data);
   }).catch((err) => {
@@ -3776,7 +3686,6 @@ on(type: 'change', owners: Array&lt;string&gt;, callback: Callback&lt;Array&lt;A
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   function changeOnCallback(data){
   	console.debug("receive change data:" + JSON.stringify(data));
   }
@@ -3810,7 +3719,6 @@ off(type: 'change', callback?: Callback<Array\<AppAccountInfo>>): void
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   function changeOnCallback(data){
   	console.debug("receive change data:" + JSON.stringify(data));
   	appAccountManager.off('change', function(){
@@ -3864,7 +3772,6 @@ authenticate(name: string, owner: string, authType: string, options: {[key: stri
       });
   }
 
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.authenticate("LiSi", "com.example.accountjsdemo", "getSocialData", {}, {
     onResult: onResultCallback,
     onRequestRedirected: onRequestRedirectedCallback
@@ -3895,7 +3802,6 @@ getOAuthToken(name: string, owner: string, authType: string, callback: AsyncCall
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.getOAuthToken("LiSi", "com.example.accountjsdemo", "getSocialData", (err, data) => {
        console.log('getOAuthToken err: ' + JSON.stringify(err));
        console.log('getOAuthToken token: ' + data);
@@ -3931,7 +3837,6 @@ getOAuthToken(name: string, owner: string, authType: string): Promise&lt;string&
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.getOAuthToken("LiSi", "com.example.accountjsdemo", "getSocialData").then((data) => {
        console.log('getOAuthToken token: ' + data);
   }).catch((err) => {
@@ -3963,7 +3868,6 @@ setOAuthToken(name: string, authType: string, token: string, callback: AsyncCall
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.setOAuthToken("LiSi", "getSocialData", "xxxx", (err) => {
       console.log('setOAuthToken err: ' + JSON.stringify(err));
   });
@@ -3998,7 +3902,6 @@ setOAuthToken(name: string, authType: string, token: string): Promise&lt;void&gt
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.setOAuthToken("LiSi", "getSocialData", "xxxx").then(() => {
       console.log('setOAuthToken successfully');
   }).catch((err) => {
@@ -4031,7 +3934,6 @@ deleteOAuthToken(name: string, owner: string, authType: string, token: string, c
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.deleteOAuthToken("LiSi", "com.example.accountjsdemo", "getSocialData", "xxxxx", (err) => {
        console.log('deleteOAuthToken err: ' + JSON.stringify(err));
   });
@@ -4067,7 +3969,6 @@ deleteOAuthToken(name: string, owner: string, authType: string, token: string):
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.deleteOAuthToken("LiSi", "com.example.accountjsdemo", "getSocialData", "xxxxx").then(() => {
        console.log('deleteOAuthToken successfully');
   }).catch((err) => {
@@ -4100,7 +4001,6 @@ setOAuthTokenVisibility(name: string, authType: string, bundleName: string, isVi
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.setOAuthTokenVisibility("LiSi", "getSocialData", "com.example.accountjsdemo", true, (err) => {
        console.log('setOAuthTokenVisibility err: ' + JSON.stringify(err));
   });
@@ -4136,7 +4036,6 @@ setOAuthTokenVisibility(name: string, authType: string, bundleName: string, isVi
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.setOAuthTokenVisibility("LiSi", "getSocialData", "com.example.accountjsdemo", true).then(() => {
       console.log('setOAuthTokenVisibility successfully');
   }).catch((err) => {
@@ -4168,7 +4067,6 @@ checkOAuthTokenVisibility(name: string, authType: string, bundleName: string, ca
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.checkOAuthTokenVisibility("LiSi", "getSocialData", "com.example.accountjsdemo", (err, data) => {
       console.log('checkOAuthTokenVisibility err: ' + JSON.stringify(err));
       console.log('checkOAuthTokenVisibility isVisible: ' + data);
@@ -4204,7 +4102,6 @@ checkOAuthTokenVisibility(name: string, authType: string, bundleName: string): P
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.checkOAuthTokenVisibility("LiSi", "getSocialData", "com.example.accountjsdemo").then((data) => {
       console.log('checkOAuthTokenVisibility isVisible: ' + data);
   }).catch((err) => {
@@ -4235,7 +4132,6 @@ getAllOAuthTokens(name: string, owner: string, callback: AsyncCallback&lt;Array&
 **示例：** 
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.getAllOAuthTokens("LiSi", "com.example.accountjsdemo", (err, data) => {
       console.log("getAllOAuthTokens err: "  + JSON.stringify(err));
       console.log('getAllOAuthTokens data: ' + JSON.stringify(data));
@@ -4270,7 +4166,6 @@ getAllOAuthTokens(name: string, owner: string): Promise&lt;Array&lt;OAuthTokenIn
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.getAllOAuthTokens("LiSi", "com.example.accountjsdemo").then((data) => {
       console.log('getAllOAuthTokens data: ' + JSON.stringify(data));
   }).catch((err) => {
@@ -4301,7 +4196,6 @@ getOAuthList(name: string, authType: string, callback: AsyncCallback&lt;Array&lt
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.getOAuthList("com.example.accountjsdemo", "getSocialData", (err, data) => {
     console.log('getOAuthList err: ' + JSON.stringify(err));
     console.log('getOAuthList data: ' + JSON.stringify(data));
@@ -4336,7 +4230,6 @@ getOAuthList(name: string, authType: string): Promise&lt;Array&lt;string&gt;&gt;
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.getOAuthList("com.example.accountjsdemo", "getSocialData").then((data) => {
        console.log('getOAuthList data: ' + JSON.stringify(data));
   }).catch((err) => {
@@ -4367,7 +4260,6 @@ getAuthenticatorCallback(sessionId: string, callback: AsyncCallback&lt;Authentic
 
   ```js
   import featureAbility from '@ohos.ability.featureAbility';
-  let appAccountManager = account_appAccount.createAppAccountManager();
   featureAbility.getWant((err, want) => {
     var sessionId = want.parameters[account_appAccount.Constants.KEY_SESSION_ID];
     appAccountManager.getAuthenticatorCallback(sessionId, (err, callback) => {
@@ -4413,7 +4305,6 @@ getAuthenticatorCallback(sessionId: string): Promise&lt;AuthenticatorCallback&gt
   ```js
   import featureAbility from '@ohos.ability.featureAbility';
 
-  let appAccountManager = account_appAccount.createAppAccountManager();
   featureAbility.getWant().then((want) => {
       var sessionId = want.parameters[account_appAccount.Constants.KEY_SESSION_ID];
       appAccountManager.getAuthenticatorCallback(sessionId).then((callback) => {
@@ -4452,7 +4343,6 @@ getAuthenticatorInfo(owner: string, callback: AsyncCallback&lt;AuthenticatorInfo
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.getAuthenticatorInfo("com.example.accountjsdemo", (err, data) => {
       console.log("getAuthenticatorInfo err: "  + JSON.stringify(err));
       console.log('getAuthenticatorInfo data: ' + JSON.stringify(data));
@@ -4486,7 +4376,6 @@ getAuthenticatorInfo(owner: string): Promise&lt;AuthenticatorInfo&gt;
 **示例：**
 
   ```js
-  let appAccountManager = account_appAccount.createAppAccountManager();
   appAccountManager.getAuthenticatorInfo("com.example.accountjsdemo").then((data) => { 
        console.log('getAuthenticatorInfo: ' + JSON.stringify(data));
   }).catch((err) => {