RAR和ZIP等压缩文件下载

云虚拟主机默认不支持压缩包类型文件下载，如需下载请到控制台添加MIME类型即可。

常见文件后缀以及对应MIME类型：

扩展名类型

扩展名	类型
.doc	application/msword
.docx	application/vnd.openxmlformats-officedocument.wordprocessingml.document
.rtf	application/rtf
.xls	application/vnd.ms-excel application/x-excel
.xlsx	application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
.ppt	application/vnd.ms-powerpoint
.pptx	application/vnd.openxmlformats-officedocument.presentationml.presentation
.pps	application/vnd.ms-powerpoint
.ppsx	application/vnd.openxmlformats-officedocument.presentationml.slideshow
.pdf	application/pdf
.swf	application/x-shockwave-flash
.dll	application/x-msdownload
.exe	application/octet-stream
.rar	application/octet-stream
.zip	application/x-zip-compressed
.mp3	audio/mpeg
.bmp	image/bmp
.gif	image/gif
.xml	text/xml