docs：update readme

PicGo · Jun 28, 2020 · 5bbad23 · 5bbad23
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commit 5bbad23
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/README.md b/README.md
@@ -22,7 +22,7 @@ Flutter-PicGo 本体支持如下图床：
 
 # 应用截图
 
-![](https://github.static.si-yee.com/picgo/1592895235750.jpg)
+![](https://github.static.si-yee.com/image_picker_82452E23-BE11-4712-BFBA-8E93038DB410-3851-00000340B21CCF62.png)
 
 # 下载安装