diff --git a/docs/api/request/websocket.md b/docs/api/request/websocket.md
index 33e4b2f16..188b16d1b 100644
--- a/docs/api/request/websocket.md
+++ b/docs/api/request/websocket.md
@@ -210,7 +210,7 @@ uni.onSocketOpen(function () {
   uni.closeSocket();
 });
 
-uni.onSocketClose(function (res) {
+uni.onSocketClose(function () {
   console.log('WebSocket 已关闭！');
 });
 ```