安装最新版后，时不时的在后台右下角弹出这个提示，把页面窗口化再全屏后，信息提示就自动展开了，这个“测试商城”数据表应该不是考试系统会用到的啊。另外，论坛把图片上传做了限制么？

出错页面是：http://www.X.com/plus/Ajaxs.ashx?a=admincheckmsg&anticache=699&_=1531799214915
异常信息：对象名 'KS_U_CeShiShangCheng' 无效。
Source:.Net SqlClient Data Provider
StackTrace:   在 System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)   在 System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction)   在 System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose)   在 System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean& dataReady)   在 System.Data.SqlClient.SqlDataReader.TryConsumeMetaData()   在 System.Data.SqlClient.SqlDataReader.get_MetaData()   在 System.Data.SqlClient.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString, Boolean isInternal, Boolean forDescribeParameterEncryption)   在 System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async, Int32 timeout, Task& task, Boolean asyncWrite, Boolean inRetry, SqlDataReader ds, Boolean describeParameterEncryptionRequest)   在 System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, TaskCompletionSource`1 completion, Int32 timeout, Task& task, Boolean& usedCache, Boolean asyncWrite, Boolean inRetry)   在 System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method)   在 System.Data.SqlClient.SqlCommand.ExecuteScalar()   在 Kesion.DataBase.DBHelperUser.ExecuteScalar(DbConnection connection, CommandType commandType, String commandText, DbParameter[] commandParameters)   在 Kesion.DataBase.DBHelperUser.ExecuteScalar(String connectionString, CommandType commandType, String commandText, DbParameter[] commandParameters)   在 Kesion.DataBase.DBHelperUser.ExecuteScalar(String connectionString, CommandType commandType, String commandText)   在 Kesion.DataBase.DBHelperUser.ExecuteScalarToStr(CommandType commandType, String commandText)   在 Kesion.SqlDAL.DataFactory.GetOnlyValue(String sqlstr, Boolean nullReturnZero)   在 Kesion.BLL.DataFactory.GetOnlyValue(String sqlstr, Boolean nullReturnZero)   在 Kesion.NET.WebSite.Plus.Ajaxs.SmHqYor6Aj()   在 Kesion.NET.WebSite.Plus.Ajaxs.ProcessRequest(HttpContext context)   在 System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()   在 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)
InnerException: