Why can’t Qingdao Huangdao Route 308 be found in the Zhenqing Bus APP? What software can I use to view Huangdao Route 308? Solve

There are three bus companies in Qingdao. The buses of Qingdao Public Transport Group Co., Ltd. are collectively called "Qingdao Bus" (or "Rixin Bus"), and the buses of Qingdao Wenxin Bus Co., Ltd. of Transportation Group are collectively called "Wenxin" "Bus", the bus of "Qingdao Zhenqing Bus Group Co., Ltd." is called "Zhenqing Bus", you can search online which bus company Huangdao 308 Road is, and then download the corresponding app