奇怪的报错信息，unknown token type returned: token(45)

用的go1.16.15 使用的sqlserver2008r2数据库，github.com/denisenkom/go-mssqldb 下面代码中报错， 报错的代码行为 row = tx.QueryRow("select cast(newid() as varchar(40)), CONVERT(CHAR(10),GETDATE(), 120) ") err := row.Scan(&guidstr, &currdate) 错误信息为:unknown token type returned: token(45) 有大佬知道这是什么原因不？有解决的方法吗？ tx, err = xjcdb.DB.Begin() if err != nil { log.Println(err.Error()) return 0, "", err } defer tx.Rollback() ...... ...... rows, err = tx.Query(...) if err != nil { log.Println(err.Error()) return 0, "", err } defer rows.Close() for rows.Next() { loop_beltcode = "" loop_pkfeeobj = "" err = rows.Scan(&loop_beltcode, &loop_pkfeeobj) if err != nil { log.Println(err.Error()) return 0, "", err } guidstr = "" currdate = "" row = tx.QueryRow("select cast(newid() as varchar(40)), CONVERT(CHAR(10),GETDATE(), 120) ") err := row.Scan(&guidstr, &currdate) if err != nil { return 0, "", err } ...... ...... } .....