diff --git a/src/main/java/com/github/yulichang/common/support/func/README.md b/src/main/java/com/github/yulichang/common/support/func/README.md
index 414dd6a..a3e4f6e 100644
--- a/src/main/java/com/github/yulichang/common/support/func/README.md
+++ b/src/main/java/com/github/yulichang/common/support/func/README.md
@@ -1,6 +1,8 @@
 ## 支持lambda的QueryWrapper
 
-让QueryWrapper也能使用lambda
+让QueryWrapper也能使用lambda  
+单表lambda请使用mybatis-plus提供的LambdaQueryWrapper  
+本示例主要在连表的情况下使用!
 
 ### 使用方法
 
@@ -131,4 +133,6 @@ WHERE (
     AND user.sex > ? 
     AND user_address.tel = ? 
     AND user_address.address LIKE ?)
-```
\ No newline at end of file
+```
+
+QQ群:1022221898
\ No newline at end of file