LEFT JOIN vehicle_book_info v2 on v1.vehicle_id = v2.vehicle and v2.year_month = CONCAT(YEAR(v1.book_start_date),"-",IF(MONTH(v1.book_start_date) > 10,MONTH(v1.book_start_date),CONCAT("0",MONTH(v1.book_start_date))))
LEFT JOIN vehicle_book_hour_info v4 on v4.book_record_id = v1.id and YEAR(v4.year_month_day) = YEAR(v1.book_start_date) AND MONTH(v4.year_month_day) = MONTH(v1.book_start_date) AND DAY(v4.year_month_day) =DAY(v1.book_start_date)