"select user_id from topic WHERE create_time > '%s' and create_time < '%s' "%(numtime,numtime2))
"select t.user_id from topic t left join user_extra u on t.user_id = u.user_id where u.is_shadow=0 and t.create_time > '%s' and t.create_time < '%s' "%(numtime,numtime2))