diff --git a/README.md b/README.md
index 1bc6e54..e0caff1 100644
--- a/README.md
+++ b/README.md
@@ -131,3 +131,5 @@ Copyright (C) 2017 Joyield, Inc. <joyield.com#gmail.com>
 All rights reserved.
 
 License under BSD 3-clause "New" or "Revised" License
+
+WeChat:cppfan ![wechat](https://github.com/joyieldInc/predixy/blob/master/doc/wechat-cppfan.jpeg)
diff --git a/README_CN.md b/README_CN.md
index 1abe6ee..013fa19 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -138,3 +138,4 @@ All rights reserved.
 
 License under BSD 3-clause "New" or "Revised" License
 
+微信:cppfan ![微信](https://github.com/joyieldInc/predixy/blob/master/doc/wechat-cppfan.jpeg)
diff --git a/doc/wechat-cppfan.jpeg b/doc/wechat-cppfan.jpeg
new file mode 100644
index 0000000..351a980
Binary files /dev/null and b/doc/wechat-cppfan.jpeg differ