diff --git a/README.md b/README.md
index 6421914c2..bbd9aee71 100644
--- a/README.md
+++ b/README.md
@@ -72,7 +72,7 @@ public class Student
 
 ##  1. Queryable
 We use it to query
- ![输入图片说明](http://www.codeisbug.com//_theme/ueditor/utf8-net/net/upload/image/20190502/6369238876828024808020389.png "Queryable")
+ ![输入图片说明](http://www.codeisbug.com/_theme/ueditor/utf8-net/net/upload/image/20190502/6369240932997363035197459.png "Queryable")
  
 ##### Here are some examples
 ```cs