diff --git a/zh-cn/application-dev/reference/apis/js-apis-wifi.md b/zh-cn/application-dev/reference/apis/js-apis-wifi.md
index 1baf4c49146c64313214e6dc11f7cc3361a6efad..cce0deb9c7d481d3d443f6920563961b590c523e 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-wifi.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-wifi.md
@@ -1857,16 +1857,15 @@ off(type: "wifiStateChange", callback?: Callback<number>): void
   ```js
   import wifi from '@ohos.wifi';
   
-  var WIFI_POWER_STATE = "wifiStateChange";
   var recvPowerNotifyFunc = result => {
       console.info("Receive power state change event: " + result);
   }
   
   // Register event
-  wifi.on(WIFI_POWER_STATE, recvPowerNotifyFunc);
+  wifi.on("wifiStateChange", recvPowerNotifyFunc);
   
   // Unregister event
-  wifi.off(WIFI_POWER_STATE, recvPowerNotifyFunc);
+  wifi.off("wifiStateChange", recvPowerNotifyFunc);
   ```