update xm_task t,(select task_id, group_concat(e.skill_id Separator ',') as task_skill_ids,group_concat(e.skill_name Separator ',') as task_skill_names from xm_task_skill e where e.task_id=#{taskId}) e1
set t.skill_ids= e1.task_skill_ids , t.task_skill_names = e1.task_skill_names
set t.task_skill_ids= e1.task_skill_ids , t.task_skill_names = e1.task_skill_names