update function png

Author: 28810

functions09.png

@@ -37,7 +37,7 @@ FreeSql 是功能强大的对象关系映射技术(O/RM)，支持 .NETCore 2.1+
 - [内容管理系统](https://github.com/hejiyong/fscms)
 
 <p align="center">
-  <img src="https://images.cnblogs.com/cnblogs_com/kellynic/133561/o_200610084147functions09.png"/>
+  <img src="https://images.cnblogs.com/cnblogs_com/kellynic/133561/o_200822210642functions10.png"/>
 </p>
 
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