打开web.config,修改两处。

 

<system.web>
   
    <httpruntime maxurllength="109999" maxquerystringlength="2097151" />
  </system.web>
 <system.webserver>
  
    <security>
      <requestfiltering>
        <requestlimits maxurl="109999" maxquerystring="2097151" />
      </requestfiltering>
    </security>
  </system.webserver>