执行当前 Web 请求期间生成了未经处理的异常。可以使用下面的异常堆栈跟踪信息确定有关异常原因和发生位置的信息。
[NullReferenceException: 未将对象引用设置到对象的实例。] AntImageGroup.AspNet.RequestInterceptModule.Context_BeginRequest(Object sender, EventArgs e) +6139 System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +144 System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +50 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +73