diff --git a/README.md b/README.md
index e570c47b5b47a88ecfc98ab6a79f608438fbd8bc..bdcb1ffe176455252672ce7f3d859aafd06ee27e 100644
--- a/README.md
+++ b/README.md
@@ -117,7 +117,7 @@ If you have any questions during the use of the model, you can join the official
 <div align="center">
 <img src="./docs/imgs/joinus.PNG"  width = "200" height = "200" />
 </div>  
-If you fail to scan the code, please add WeChat 15704308458 and note "Hub", the operating class will invite you to join the group.
+please add WeChat above and send "Hub" to the robot, the robot will invite you to join the group automatically.
 
 <a name="QuickStart"></a>
 ## QuickStart
diff --git a/README_ch.md b/README_ch.md
index 031e34d625ccadd72ec18885174e5ec5a1600d76..5529ade81d7485519dfe5506a3e2dde0b3761e36 100644
--- a/README_ch.md
+++ b/README_ch.md
@@ -124,7 +124,7 @@
 <div align="center">
 <img src="./docs/imgs/joinus.PNG"  width = "200" height = "200" />
 </div>  
-如扫码失败，请添加微信15704308458，并备注“Hub”，运营同学会邀请您入群。  
+扫码备注"Hub"加好友之后，再发送“Hub”，会自动邀请您入群。  
 
 <div id="QuickStart">
 
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