Update README and Screenshots

README_zh-cn.md

@@ -15,13 +15,15 @@
 
 欢迎大家一起来完善工具的[内置资源](/Source/GrasscutterTools/Resources/zh-cn)。
 
-## Update
+## Update log
 ### GrasscutterTools-v1.7.0
 
 ![Run Commands](Doc/Screenshots/RunMultipleCommands.png)
 
 ![Drop Editor](Doc/Screenshots/15-DropEditor.png)
 
+![Mail Editor](Doc/Screenshots/16-MailEditor.png)
+
 ## 远程执行
 
 服务端需要 [gc-opencommand-plugin](https://github.com/jie65535/gc-opencommand-plugin) 插件支持
@@ -59,8 +61,6 @@
 
 ![Change Scene Screenshort](Doc/Screenshots/7-ChangeScene.png)
 
-![Custom Stats Screenshort](Doc/Screenshots/8-CustomStats.png)
-
 ![Management](Doc/Screenshots/9-Manage.png)
 
 ![GachaBannerEditor](Doc/Screenshots/10-GachaBannerEditor.png)