?????6?17????????????????(?? ??????????)????????????????6??17???

??? ????????????

??:16????????,??,??????????????,????

???????????:???????,?????????????(?)

?????????:?????????????? ??“??????app”????

?? ????????:?????????????????

????:1???????app:?????????

2?????????

3?????

4???????????

5??????v

?????6?17????????????????(?? ??????????)????????????????6??17???

??? ????????????

??:16????????,??,??????????????,????

???????????:???????,?????????????(?)

?????????:??????????????