MySQL Query Error

select wx_shop_config.*,wx_users.kfuphone,wx_users.thunames,wx_users.thuphone,wx_users.qq,wx_users.s_addr,wx_users.kfuphone,wx_users.shtype_priv,wx_users.defalt_kuaidi from wx_shop_config inner join wx_users where wx_shop_config.uid=wx_users.id and wx_shop_config.uid= and wx_users.status=2
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'and wx_users.status=2' at line 1