另一个vps上ping就没问题
64 bytes from 173-212-213-130.hostnoc.net (173.212.213.130): icmp_seq=1 ttl=53 time=86.7 ms
64 bytes from 173-212-213-130.hostnoc.net (173.212.213.130): icmp_seq=2 ttl=53 time=86.9 ms
64 bytes from 173-212-213-130.hostnoc.net (173.212.213.130): icmp_seq=3 ttl=53 time=87.3 ms
64 bytes from 173-212-213-130.hostnoc.net (173.212.213.130): icmp_seq=4 ttl=53 time=85.5 ms
64 bytes from 173-212-213-130.hostnoc.net (173.212.213.130): icmp_seq=5 ttl=53 time=85.8 ms
64 bytes from 173-212-213-130.hostnoc.net (173.212.213.130): icmp_seq=6 ttl=53 time=86.6 ms
64 bytes from 173-212-213-130.hostnoc.net (173.212.213.130): icmp_seq=7 ttl=53 time=86.0 ms
64 bytes from 173-212-213-130.hostnoc.net (173.212.213.130): icmp_seq=8 ttl=53 time=86.2 ms
64 bytes from 173-212-213-130.hostnoc.net (173.212.213.130): icmp_seq=9 ttl=53 time=86.9 ms