两个地方添加如下数据maxQueryStringLength:
<system.web> <httpRuntime maxRequestLength="204800" maxQueryStringLength="204800" </system.web>
<system.webServer> <security> <requestFiltering> <requestLimits maxAllowedContentLength="52428800" maxQueryString="52428800"></requestLimits> </requestFiltering> </security> </system.webServer>