diff --git a/en/application-dev/reference/apis/js-apis-osAccount.md b/en/application-dev/reference/apis/js-apis-osAccount.md
index 36535d2cf87e10cb212626468d51c46fdb90c5b6..816ebc1ed4c56e3a354ee27ec805d30966312044 100644
--- a/en/application-dev/reference/apis/js-apis-osAccount.md
+++ b/en/application-dev/reference/apis/js-apis-osAccount.md
@@ -3224,6 +3224,7 @@ Checks whether an OS account has been verified. This API uses a promise to retur
   ```js
   import { BusinessError } from '@ohos.base';
   let accountManager = account_osAccount.getAccountManager();
+  let localId: number = 100;
   accountManager.isOsAccountVerified(localId).then((isVerified: boolean) => {
     console.log('isOsAccountVerified successfully, isVerified: ' + isVerified);
   }).catch((err: BusinessError) => {
@@ -3455,7 +3456,7 @@ Obtains the OS account ID based on the domain account information. This API uses
 
   ```js
   import { BusinessError } from '@ohos.base';
-  let domainInfo = {domain: 'testDomain', accountName: 'testAccountName'};
+  let domainInfo: account_osAccount.DomainAccountInfo = {domain: 'testDomain', accountName: 'testAccountName'};
   let accountManager = account_osAccount.getAccountManager();
   accountManager.getOsAccountLocalIdFromDomain(domainInfo, (err: BusinessError, localId: number) => {
     if (err) {
@@ -3497,7 +3498,7 @@ Obtains the OS account ID based on the domain account information. This API uses
   ```js
   import { BusinessError } from '@ohos.base';
   let accountManager = account_osAccount.getAccountManager();
-  let domainInfo = {domain: 'testDomain', accountName: 'testAccountName'};
+  let domainInfo: account_osAccount.DomainAccountInfo = {domain: 'testDomain', accountName: 'testAccountName'};
   accountManager.getOsAccountLocalIdFromDomain(domainInfo).then((localId: number) => {
     console.log('getOsAccountLocalIdFromDomain successfully, localId: ' + localId);
   }).catch((err: BusinessError) => {