diff --git a/README.md b/README.md
index 672fbc15daad7b429334a502e4a14b10fcae062e..a108ff3c9f920a8b3caa645cfc1181872e634504 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ EasyExcel
 [钉钉1群（已满）: 21960511](https://qr.dingtalk.com/action/joingroup?code=v1,k1,cchz6k12ci9B08NNqhNRFGXocNVHrZtW0kaOtTKg/Rk=&_dt_no_comment=1&origin=11)  
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+[钉钉4群（已满）: 33491624](https://qr.dingtalk.com/action/joingroup?code=v1,k1,V14Pb65Too70rQkEaJ9ohb6lZBZbtp6jIL/q9EWh9vA=&_dt_no_comment=1&origin=11)  
 [钉钉5群: 32134498](https://h5.dingtalk.com/circle/healthCheckin.html?dtaction=os&corpId=dingb9fa1325d9dccc3ecac589edd02f1650&5233a=71a83&cbdbhh=qwertyuiop)  
 [官方网站: https://yuque.com/easyexcel](https://www.yuque.com/easyexcel/doc/easyexcel)