diff --git a/zh-cn/application-dev/reference/apis/js-apis-net-ethernet.md b/zh-cn/application-dev/reference/apis/js-apis-net-ethernet.md
index 2aa48bc6e6289194aa533cc23b4c799c37760b1c..3887294917eed5d0e67743c98ab524bc1ca20fa0 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-net-ethernet.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-net-ethernet.md
@@ -53,8 +53,7 @@ ethernet.setIfaceConfig("eth0", {
   route: "192.168.xx.xxx",
   gateway: "192.168.xx.xxx",
   netMask: "255.255.255.0",
-  dnsServers: "1.1.1.1",
-  domain: "2.2.2.2"
+  dnsServers: "1.1.1.1"
 }, (error) => {
   if (error) {
     console.log("setIfaceConfig callback error = " + JSON.stringify(error));
@@ -111,8 +110,7 @@ ethernet.setIfaceConfig("eth0", {
   route: "192.168.xx.xxx",
   gateway: "192.168.xx.xxx",
   netMask: "255.255.255.0",
-  dnsServers: "1.1.1.1",
-  domain: "2.2.2.2"
+  dnsServers: "1.1.1.1"
 }).then(() => {
   console.log("setIfaceConfig promise ok ");
 }).catch(error => {
@@ -163,7 +161,6 @@ ethernet.getIfaceConfig("eth0", (error, value) => {
     console.log("getIfaceConfig callback gateway = " + JSON.stringify(value.gateway));
     console.log("getIfaceConfig callback netMask = " + JSON.stringify(value.netMask));
     console.log("getIfaceConfig callback dnsServers = " + JSON.stringify(value.dnsServers));
-    console.log("getIfaceConfig callback domain = " + JSON.stringify(value.domain));
   }
 });
 ```
@@ -213,7 +210,6 @@ ethernet.getIfaceConfig("eth0").then((data) => {
   console.log("getIfaceConfig promise gateway = " + JSON.stringify(data.gateway));
   console.log("getIfaceConfig promise netMask = " + JSON.stringify(data.netMask));
   console.log("getIfaceConfig promise dnsServers = " + JSON.stringify(data.dnsServers));
-  console.log("getIfaceConfig promise domain = " + JSON.stringify(data.domain));
 }).catch(error => {
   console.log("getIfaceConfig promise error = " + JSON.stringify(error));
 });
@@ -386,74 +382,6 @@ ethernet.getAllActiveIfaces().then((data) => {
 });
 ```
 
-## ethernet.on('interfaceStateChange')<sup>10+</sup>
-
-on(type: 'interfaceStateChange', callback: Callback\<{ iface: string, active: boolean }\>): void
-
-注册网卡热插拔事件，使用callback方式作为异步方法。
-
-**系统接口**：此接口为系统接口。
-
-**需要权限**：ohos.permission.GET_NETWORK_INFO
-
-**系统能力**：SystemCapability.Communication.NetManager.Ethernet
-
-**参数：**
-
-| 参数名   | 类型                                    | 必填 | 说明       |
-| -------- | --------------------------------------- | ---- | ---------- |
-| type     | string                  | 是   | 订阅的事件类型，'interfaceStateChange'。 |
-| callback | AsyncCallback\<{ iface: string, active: boolean }\> | 是   | 回调函数。<br>iface：网卡名称。<br>active：是否处于激活状态（true：激活；false：未激活） |
-
-**错误码：**
-
-| 错误码ID | 错误信息                                      |
-| ------- | -------------------------------------------- |
-| 201     | Permission denied.                           |
-| 202     | Applicable only to system applications.      |
-| 401     | Parameter error.                             |
-
-**示例：**
-
-```js
-ethernet.on('interfaceStateChange', (data) => {
-  console.log('on interfaceSharingStateChange：' + JSON.stringify(data));
-});
-```
-
-## ethernet.off('interfaceStateChange')<sup>10+</sup>
-
-off(type: 'interfaceStateChange', callback?: Callback\<{ iface: string, active: boolean }\>): void
-
-注销网卡热插拔事件，使用callback方式作为异步方法。
-
-**系统接口**：此接口为系统接口。
-
-**需要权限**：ohos.permission.GET_NETWORK_INFO
-
-**系统能力**：SystemCapability.Communication.NetManager.Ethernet
-
-**参数：**
-
-| 参数名   | 类型                                    | 必填 | 说明       |
-| -------- | --------------------------------------- | ---- | ---------- |
-| type     | string                  | 是   | 订阅的事件类型，'interfaceStateChange'。 |
-| callback | AsyncCallback\<{ iface: string, active: boolean }> | 否   | 回调函数。<br>iface：网卡名称。<br>active：是否处于激活状态（true：激活；false：未激活） |
-
-**错误码：**
-
-| 错误码ID | 错误信息                                      |
-| ------- | -------------------------------------------- |
-| 201     | Permission denied.                           |
-| 202     | Applicable only to system applications.                           |
-| 401     | Parameter error.                             |
-
-**示例：**
-
-```js
-ethernet.off('interfaceStateChange');
-```
-
 ## InterfaceConfiguration
 
 以太网连接配置网络信息。