按楼上方法设置后,前一个问题解决,但有出现下面问题

“/swkz”应用程序中的服务器错误。

说明: 执行当前 Web 请求期间，出现未经处理的异常。请检查堆栈跟踪信息，以了解有关该错误以及代码中导致错误的出处的详细信息。            

异常详细信息: System.IO.DirectoryNotFoundException: 未能找到路径“D:\website20170928\website\Web\Config\3GSetting.config”的一部分。

源错误:

堆栈跟踪:

[DirectoryNotFoundException: 未能找到路径“D:\website20170928\website\Web\Config\3GSetting.config”的一部分。]
   System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath) +271
   System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost) +1217
   System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize) +124
   System.Xml.XmlDownloadManager.GetStream(Uri uri, ICredentials credentials, IWebProxy proxy, RequestCachePolicy cachePolicy) +116
   System.Xml.XmlUrlResolver.GetEntity(Uri absoluteUri, String role, Type ofObjectToReturn) +77
   System.Xml.XmlTextReaderImpl.OpenUrlDelegate(Object xmlResolver) +71
   System.Runtime.CompilerServices.RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(TryCode code, CleanupCode backoutCode, Object userData) +0
   System.Threading.CompressedStack.Run(CompressedStack compressedStack, ContextCallback callback, Object state) +112
   System.Xml.XmlTextReaderImpl.OpenUrl() +396
   System.Xml.XmlTextReaderImpl.Read() +296
   System.Xml.XmlLoader.Load(XmlDocument doc, XmlReader reader, Boolean preserveWhitespace) +158
   System.Xml.XmlDocument.Load(XmlReader reader) +134
   System.Xml.XmlDocument.Load(String filename) +146
   Kesion.Weixin.M.GetConfig(String FieldName) +125
   Kesion.NET.WebSite.Index.Page_Load(Object sender, EventArgs e) +263
   System.Web.UI.Control.OnLoad(EventArgs e) +106
   System.Web.UI.Control.LoadRecursive() +68
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3785