修改web.config文件,添加以下配置:
<system.webServer>
<security>
<requestFiltering>
<requestLimits maxAllowedContentLength="2147483648" />
</requestFiltering>
</security>
</system.webServer>
来源:oschina
链接:https://my.oschina.net/u/4330611/blog/4262676