????:1???????vx:2021??????

2?????????

3?????app????

4????????

5??????vx

??6????28????????? (???)28????????,??(?????“??”)??????,?????????????????,??,????,??????????9????

???,?????1.6????????????,????????????????????????????1?????????,?0.6??????????40?????????????????,?????6???????????,???

“??????39??,?????????”?????????????????,?????,??????,????????????????,????????????,????????????,???????????5?,??30?????????????,?????(????????????) ?????:????