diff --git a/zh-cn/application-dev/connectivity/net-vpn.md b/zh-cn/application-dev/connectivity/net-vpn.md
index 496986e03e63b65034c4e059a3543fb13a08009b..55e0e7dee1094df35627763576d4aed6fa297168 100644
--- a/zh-cn/application-dev/connectivity/net-vpn.md
+++ b/zh-cn/application-dev/connectivity/net-vpn.md
@@ -49,7 +49,7 @@ let VpnConnection = vpn.createVpnConnection(globalThis.context)
 @Entry
 @Component
 struct Index {
-  @State message: string = 'Toy VPN'
+  @State message: string = 'Test VPN'
 
   CreateTunnel() {
     TunnelFd = vpn_client.tcpConnect("192.168.43.208", 8888)
diff --git a/zh-cn/application-dev/reference/apis/js-apis-net-vpn.md b/zh-cn/application-dev/reference/apis/js-apis-net-vpn.md
index fcee1e759e9f050cd55bedef089f22e870cb3c90..a1d807a49578e088221ef57c710635f2d747e981 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-net-vpn.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-net-vpn.md
@@ -174,8 +174,8 @@ setUp(config: VpnConfig): Promise\<number\>;
     dnsAddresses:[
       "114.114.114.114"
     ],
-    acceptedApplications:[],
-    refusedApplications:[]
+    trustedApplications:[],
+    blockedApplications:[]
   }
   VpnConnection.setUp(config).then((data) => {
     console.info(TAG + "setUp success, tunfd: " + JSON.stringify(data))
@@ -236,9 +236,8 @@ protect(socketFd: number, callback: AsyncCallback\<void\>): void;
   })
   tcp.getSocketFd().then((tunnelfd) => {
     console.info("tunenlfd: " + tunnelfd);
-    VpnConnection.protect(tunnelfd, (error, data) => {
+    VpnConnection.protect(tunnelfd, (error) => {
       console.info(JSON.stringify(error));
-      console.info(JSON.stringify(data));
     })
   })
 ```
@@ -300,8 +299,8 @@ protect(socketFd: number): Promise\<void\>;
   })
   tcp.getSocketFd().then((tunnelfd) => {
     console.info("tunenlfd: " + tunnelfd);
-    VpnConnection.protect(tunnelfd).then((data) => {
-      console.info("protect success" + JSON.stringify(data))
+    VpnConnection.protect(tunnelfd).then(() => {
+      console.info("protect success.")
     }).catch(err => {
       console.info("protect fail" + JSON.stringify(err))
     })
@@ -341,9 +340,8 @@ destroy(callback: AsyncCallback\<void\>): void;
 **示例：**
 
 ```js
-  VpnConnection.destroy((error, data) => {
+  VpnConnection.destroy((error) => {
     console.info(JSON.stringify(error));
-    console.info(JSON.stringify(data));
   })
 ```
 
@@ -373,15 +371,14 @@ destroy(): Promise\<void\>;
 | ------- | -----------------------------  |
 | 201     | Permission denied.             |
 | 202     | Non-system applications use system APIs.        |
-| 401     | Parameter error.       |
 | 2200002 | Operation failed. Cannot connect to service.    |
 | 2100003 | System internal error.         |
 
 **示例：**
 
 ```js
-  VpnConnection.destroy().then((data) => {
-    console.info("destroy success" + JSON.stringify(data))
+  VpnConnection.destroy().then(() => {
+    console.info("destroy success.")
   }).catch(err => {
     console.info("destroy fail" + JSON.stringify(err))
   });
diff --git a/zh-cn/application-dev/reference/errorcodes/errorcode-net-vpn.md b/zh-cn/application-dev/reference/errorcodes/errorcode-net-vpn.md
index 797b14388ef921ee3372e16db0cd702bdc720721..3d404f999de6f3a5d5ef522ff46ff98153add1f1 100644
--- a/zh-cn/application-dev/reference/errorcodes/errorcode-net-vpn.md
+++ b/zh-cn/application-dev/reference/errorcodes/errorcode-net-vpn.md
@@ -31,7 +31,7 @@ VPN exist already, please execute destroy first.
 
 **错误描述**
 
-VPN已经存在，请先执行destory接口。
+VPN连接已存在，请先调用destroy接口销毁VPN连接。
 
 **可能原因**
 
@@ -58,4 +58,4 @@ tcp链路建立失败。
 
 **处理步骤**
 
-检查tcp链路是否建立成功。
\ No newline at end of file
+检查socket链路是否建立成功。
\ No newline at end of file