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之前都是可以打开的，某一时刻突然打不开了。右下角出现了图标，但是左键点击没反应，右键点击出现的【登录】是灰色的，也是点击不了。过了一会，就弹出界面，显示【exception属性异常】。
请删除C:\Users\用户名\AppData\Roaming\nextocal目录, 重新安装程序后即可
