diff --git a/README.md b/README.md
index 1e2ee63..9cebd55 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,8 @@
-Cloud code project for ChatDemo. Cloud Code Guide: https://cn.avoscloud.com/docs/cloud_code_guide.html
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+Cloud code project for ChatDemo. Cloud Code Guide: https://cn.avoscloud.com/docs/cloud_code_guide.html
+
+
+有双向添加好友、双向删除好友的示例，核心代码：
+
+https://github.com/avoscloud/AdventureCloud/blob/master/cloud/main.js
+
+https://github.com/avoscloud/AdventureCloud/blob/master/cloud/muser.js