diff --git a/README.md b/README.md
index 759d1d8..6db07fe 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ Micro-Feed an extremely small size feed sync service with GraphQL support(also a
 
 ## Screenshot
 
-![screenshot for micro-feed](https://raw.githubusercontent.com/leopku/micro-feed/master/c65633ca-f7d7-4315-ba50-650364d58df9.png.jpg)
+![screenshot for micro-feed](https://raw.githubusercontent.com/leopku/micro-feed/master/c65633ca-f7d7-4315-ba50-650364d58df9.png)
 
 ## Features