System.OutOfMemoryException: 引发类型为“System.OutOfMemoryException”的异常。
   在 China7x.Business.HttpModule.RewriteBeginRequest(Object sender, EventArgs e)
   在 System.Web.HttpApplication.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
   在 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)