diff --git a/zh-cn/application-dev/reference/apis/js-apis-wifiManagerExt.md b/zh-cn/application-dev/reference/apis/js-apis-wifiManagerExt.md
index 4aa3b6e98bad06d7f87685f90d21f066a72518e8..81b4866ab9ce3db7bc8e4b9269d57f21009d39e2 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-wifiManagerExt.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-wifiManagerExt.md
@@ -159,7 +159,7 @@ getPowerMode(callback: AsyncCallback<PowerMode>): void
 
 ## wifiext.setPowerMode<sup>9+</sup>
 
-setPowerMode(model: PowerMode) : void;
+setPowerMode(mode: PowerMode) : void;
 
  设置功率模式。