Update README.md

Author: juzisang

README.md

@@ -7,6 +7,9 @@
 
 用于 [PicGo](https://github.com/Molunerfinn/PicGo) 的图片压缩插件,支持 [TinyPng](https://tinypng.com/) [ImageMin](https://github.com/imagemin/imagemin)
 
+## 压缩失败参考
+- https://github.com/JuZiSang/picgo-plugin-compress/issues/2
+
 ## 安装
 
 ### [PicGo-Core](https://github.com/PicGo/PicGo-Core) 安装