select tb.enable_enroll,tb.enable_sign,tb.start_time,tb.end_time,tb.id,en.enable_pay,en.actual_price,en.person_limit_num AS canNumber,en.start_time AS enrollStartTime, en.end_time AS enrollEndTime,
sg.start_time AS signStartTime, sg.end_time AS signEndTime,tb.activity_type
from training_project tb
left join tr_enroll en on tb.id = en.training_project_id
left join tr_sign_time sg on tb.id = sg.training_project_id
where tb.id=#{projectId} and tb.site_id = #{siteId} and tb.status = 1 and tb.deleted = 0