1093 - You can't specify target table 'table' for update in FROM clause

大致意思 是 不能先将select出表中的某些值，再update这个表(在同一语句中)

可以引入一个临时表进行操作

delete from push_plans WHERE id in 
 (
      select id from 
      (
          select id from push_plans WHERE  area_id = 0
          
      ) as t
 )