如下第一步忘记操作直接就 7个目录覆盖导致后台进不了发，请教有无补救法
升级方法:
1、先到后台数据库操作>>运行sql语句那里运行以上代码，运行后可能会提示字段重复的错误，错误可以忽略。
2、下载最新版本用最新版本的/bin，/master，/lanmu，/usercontrol，/include，/incs，/member这7个目录覆盖您当前版本
后台进不了
Server Error in '/' Application.
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The remote server returned an error: (500) Internal Server Error.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.Net.WebException: The remote server returned an error: (500) Internal Server Error.
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Stack Trace:
[WebException: The remote server returned an error: (500) Internal Server Error.]
System.Net.HttpWebRequest.GetResponse() +5314029
PageAdmin.master_login.xd9dc40336cb754b6() +1811
PageAdmin.master_login.x0c10d87f1cc88e3b() +272
PageAdmin.master_login.x303150620dddbc01() +142
PageAdmin.master_login.x4b531208dfadf445() +113
PageAdmin.master_login.xb99c27096be25a53() +34
PageAdmin.master_login.Page_Load(Object src, EventArgs e) +220
System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +35
System.Web.UI.Control.OnLoad(EventArgs e) +99
System.Web.UI.Control.LoadRecursive() +50
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +627
