更新 'README.md'

README.md

@@ -99,7 +99,10 @@
 |![打开目录](https://cdn.sunqida.cn/quick/Open.gif?imageMogr2/thumbnail/750x/blur/1x0/quality/100)|![修改检索码](https://cdn.sunqida.cn/quick/Update.gif?imageMogr2/thumbnail/750x/blur/1x0/quality/100)|
 | **通过数字码打开：如果能记住软件的数字码，可以直接输入数字码回车键打开** | **修改颜色：1 随机颜色 2 两种自定义颜色方式**  |
 |![通过数字码打开](https://cdn.sunqida.cn/quick/Num.gif?imageMogr2/thumbnail/750x/blur/1x0/quality/100)|![通过数字码打开](https://cdn.sunqida.cn/quick/Color.gif?imageMogr2/thumbnail/750x/blur/1x0/quality/100)|
-
+| **上传备份** | **下载备份**  |
+|![通过数字码打开](https://cdn.sunqida.cn/quick/Up.gif?imageMogr2/thumbnail/750x/blur/1x0/quality/100)|![通过数字码打开](https://cdn.sunqida.cn/quick/Down.gif?imageMogr2/thumbnail/750x/blur/1x0/quality/100)|
+| **检查更新** | **Alt+1~6快捷键设置**  |
+|![通过数字码打开](https://cdn.sunqida.cn/quick/Update.gif?imageMogr2/thumbnail/750x/blur/1x0/quality/100)|![通过数字码打开](https://cdn.sunqida.cn/quick/Alt.gif?imageMogr2/thumbnail/750x/blur/1x0/quality/100)|
 
 
 ### 颜色表