如何解决安装ecshop前台提示Internal Server Error错误

给客户安装ecshop的时候，前台报如下错误

Internal Server Error
The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator, you@example.com and inform them of the time the error occurred, and anything you might have done that may have caused the error.

More information about this error may be available in the server error log.

出现这个问题的原因很可能是文件的权限设置的不对

解决方法是：

linux下文件单个文件需要设置为755，当你设置的是777就会出现如下的问题。