+ ifnull((SELECT enroll_type FROM base_student_development WHERE base_student_graduate_id = t5.id ORDER BY create_date DESC limit 0, 1), 0) as enroll_status
FROM base_student t1
LEFT JOIN xjr_user t2 ON t1.user_id = t2.id
LEFT JOIN base_student_school_roll t3 ON t1.user_id = t3.user_id