update tb_device set dev_a=#{devA} ,dev_b=#{devB} , dev_a_time=#{devAtime} , dev_b_time= #{devBtime} , warn_info=#{warnInfo} ,dev_time=now() where dev_code=#{devCode} update tb_device set dev_status=#{devStatus}, chann_id= #{channId}, state_time=now(), dev_time=now() where dev_code=#{devCode} update tb_device set dev_status=0, chann_id= #{channId} where chann_id=#{channId}