IIS添加MIME类型：
文件扩展名 MIME类型
.svg image/svg+xml
.woff application/x-font-woff
.woff2 application/x-font-woff
.eot application/vnd.ms-fontobject
.otf application/octet-stream
.ttf application/octet-stream
更多mime请看https://www.cnblogs.com/karila/p/5869749.html