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 3cbda2cbb89d4f1313764f4a3ba4e4c850f658cd..0122bf3fb1ef5e0bab7b7fa2f33f310334df80aa 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。