出错页面是：http://www.mingchengxuexiao.com/tp/PC/skin01202121916366/课程系统/{$GetInstallDir}plus/chart.ashx?text={=GetRewriteUrl(courseview,{KS:Field:CourseID})}
异常信息：文件“/tp/PC/skin01202121916366/课程系统/{$GetInstallDir}plus/chart.ashx”不存在。
Source:System.Web
StackTrace:

   在 System.Web.UI.Util.CheckVirtualFileExists(VirtualPath virtualPath)
   在 System.Web.Compilation.BuildManager.GetVPathBuildResultInternal(VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile, Boolean throwIfNotFound, Boolean ensureIsUpToDate)
   在 System.Web.Compilation.BuildManager.GetVPathBuildResultWithNoAssert(HttpContext context, VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile, Boolean throwIfNotFound, Boolean ensureIsUpToDate)
   在 System.Web.Compilation.BuildManager.GetVPathBuildResult(HttpContext context, VirtualPath virtualPath, Boolean noBuild, Boolean allowCrossApp, Boolean allowBuildInPrecompile, Boolean ensureIsUpToDate)
   在 System.Web.UI.SimpleHandlerFactory.System.Web.IHttpHandlerFactory2.GetHandler(HttpContext context, String requestType, VirtualPath virtualPath, String physicalPath)
   在 System.Web.UI.SimpleHandlerFactory.GetHandler(HttpContext context, String requestType, String virtualPath, String path)
   在 System.Web.HttpApplication.MaterializeHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
   在 System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step)
   在 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)

InnerException: