diff --git a/README.md b/README.md
index fb92e8d..cca57cf 100644
--- a/README.md
+++ b/README.md
@@ -38,3 +38,10 @@ ws.disconnect(function(data){
 
 })
 ```
+
+### 判断是websocket否连接
+//ws.isConnect()  //=> bool
+
+```js
+ws.isConnect()  //=> true | false
+```