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
.json    application/json