所以这个问题与文件权限有关。我相信我已经检查过了,以确保权限设置正确,但我一定是出错了。
I went to the subdomain folder\'staging\'which contains my WP install and turned on User\'read\' and\'write\'permissions, which are inactivated.So now Web User and Owner permissions have been all set with read, write and execute permission.
希望能帮助别人!