diff --git a/funcs.png b/functions02.png
similarity index 100%
rename from funcs.png
rename to functions02.png
diff --git a/readme.md b/readme.md
index 2669a2d8..8f19786d 100644
--- a/readme.md
+++ b/readme.md
@@ -63,7 +63,7 @@ FreeSql 是一个功能强大的对象关系映射程序(O/RM)，支持 .NETCore
 | FreeSql.Extensions.BaseEntity | NETStandard2.0 |
 
 <p align="center">
-  <img src="https://github.com/2881099/FreeSql/blob/master/functions.png?raw=true"/>
+  <img src="https://github.com/2881099/FreeSql/blob/master/functions02.png?raw=true"/>
 </p>
 
 # Quick start