docs：update readme

hackycy · hackycy · commit 9fbcb09bb48d · 2021-01-22T14:57:41.000+08:00
diff --git a/README.md b/README.md
@@ -39,7 +39,7 @@ Flutter-PicGo: &#19968;&#20010;&#29992;&#20110;&#24555;&#36895;&#19978;&#20256;&#22270;&#29255;&#24182;&#33719;&#21462;&#22270;&#29255;URL&#38142;&#25509;&#30340;**&#25163;&#26426;
 
 # &#24212;&#29992;&#25130;&#22270;
 
-![&#19978;&#20256;&#39029;&#38754;](https://github.static.si-yee.com/image_picker_82452E23-BE11-4712-BFBA-8E93038DB410-3851-00000340B21CCF62.png)
+![&#19978;&#20256;&#39029;&#38754;](https://github.static.si-yee.com/picgo/5E62E0A4-5A93-4C57-B090-E09F4100B755_L0_001_origin.IMG_8818.JPG)
 
 <img src="https://github.static.si-yee.com/picgo/repo_use.gif" width="300px" />
 

-Original file line number
+Diff line change
 # 应用截图
 -![上传页面](https://github.static.si-yee.com/image_picker_82452E23-BE11-4712-BFBA-8E93038DB410-3851-00000340B21CCF62.png)
 +![上传页面](https://github.static.si-yee.com/picgo/5E62E0A4-5A93-4C57-B090-E09F4100B755_L0_001_origin.IMG_8818.JPG)
 <img src="https://github.static.si-yee.com/picgo/repo_use.gif" width="300px" />