后台会闪退，求大神指导，这个线上已在用，不解决着实尴尬！

[nimo4]

后台间歇不定时闪退，跟20-30分钟时间无关，跟不自动退出设置无关，报错如下：

必须声明标量变量 "@CountOfFailedLogin"。

在 System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action1 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.SqlCommand.FinishExecuteReader(SqlDataReader ds, RunBehavior runBehavior, String resetOptionsString, Boolean isInternal, Boolean forDescribeParameterEncryption, Boolean shouldCacheForAlwaysEncrypted) 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, TaskCompletionSource1 completion, Int32 timeout, Task& task, Boolean& usedCache, Boolean asyncWrite, Boolean inRetry) 在 System.Data.SqlClient.SqlCommand.InternalExecuteNonQuery(TaskCompletionSource`1 completion, String methodName, Boolean sendToPipe, Int32 timeout, Boolean& usedCache, Boolean asyncWrite, Boolean inRetry) 在 System.Data.SqlClient.SqlCommand.ExecuteNonQuery() 在 SiteServer.CMS.Plugin.Apis.DatabaseApi.ExecuteNonQuery(IDbCommand command) 在 SiteServer.CMS.Plugin.Apis.DatabaseApi.ExecuteNonQuery(IDbConnection connection, String commandText, IDataParameter[] commandParameters) 在 SiteServer.CMS.Plugin.Apis.DatabaseApi.ExecuteNonQuery(String connectionString, String commandText, IDataParameter[] commandParameters) 在 SiteServer.CMS.Provider.AdministratorDao.UpdateLastActivityDate(AdministratorInfo adminInfo) 在 SiteServer.CMS.Core.LogUtils.AddSiteLog(Int32 siteId, Int32 channelId, Int32 contentId, AdministratorInfo adminInfo, String action, String summary)

[nimo4]

我把验证码给取消隐藏了，会是这个原因吗

[jiangbin4586]

最新版 6.15 不闪退啊，你可以升级试试