node连接sqlserver数据库后续问题

let resultSetZ191TDatetime = await pool.request()

                .query(`SELECT TOP 1

                                (CONVERT(DATETIME, CAST([TDate] AS VARCHAR) + ' ' + LEFT(CAST([TTime] AS VARCHAR),12))) AS TDatetime

                        FROM [Hyres].[dbo].[Z191_T]

                        ORDER BY TDatetime DESC`);