id,user_id,name, led_program_id,led_program_name,volume, apply_series,start_date,end_date, status,week_days,start_time, end_time,schedule,create_time, update_time SELECT t1.SCHEDULE, t2.pages FROM play_plan_nv t1 LEFT JOIN led_program t2 ON t1.led_program_id = t2.id WHERE t1.id =#{planId}