这是我的web.config文件，

<system.web>
    <compilation debug="true" targetFramework="4.7.1" />
    <httpruntime targetFramework="4.7.1"  maxRequestLength="2147483"  executionTimeout="3600" requestValidationmode="2.0" requestPathInvalidCharacters=""/>
  </system.web>
  <system.webServer>
    <security>
      <requestFiltering>
        <requestLimits maxAllowedContentLength="2147483648" />
      </requestFiltering>
    </security>
  </system.webServer>

任何帮助将不胜感激。