????:1??????????:????????

2???500???????

3?????wx??

4?????????

5????????????

??,???????,???NFC?????????,??????????????????“????????????????”NFC(???????????????????)??,????????????????,???????,??????????,???????????????,?????

?????????????,??????????????????????????????????????????,??,????NFC??????????

?????????,????,“???”????????,??????,?????????????

(????? ?????? ???? ????)

???:????