（此文档仅供参考）
上传文件报错，不允许上传该文件
在系统选项里面设置允许上传文件后缀
Viewtracker License Missing There is a problem with the license of the Viewtracker addon. Please check if you have a valid license. 授权码细节
Viewtracker License Missing
There is a problem with the license of the Viewtracker addon. Please check if you have a valid license.
