diff --git a/README.md b/README.md
index 1843cff96..e946ba91f 100644
--- a/README.md
+++ b/README.md
@@ -118,7 +118,7 @@ If EasyRec is useful for your research, please cite:
 ### Join Us
 
 - DingDing Group: 32260796. (EasyRec usage general discussion.)
-
+- DingDing Group2: [https://qr.dingtalk.com/action/joingroup?code=v1,k1,oHNqtNObbu+xUClHh77gCuKdGGH8AYoQ8AjKU23zTg4=&_dt_no_comment=1&origin=11? (EasyRec group2.)](click url to join)
 - Email Group: easy_rec@service.aliyun.com.
 
 ### Enterprise Service