我的 wifi 路由器和我的 MacBook Air 笔记本电脑在同一个房间。有时我的网络会变得很差，我不知道为什么我无法在距离仅 2 米的地方持续 ping 通我的路由器
我更换了路由器，但没用。我该如何调试
这是糟糕时刻的 ping 输出
[ram@NL672 ~]$ ping 192.168.0.1 -c 10
PING 192.168.0.1 (192.168.0.1): 56 data bytes
64 bytes from 192.168.0.1: icmp_seq=0 ttl=30 time=9.786 ms
Request timeout for icmp_seq 1
Request timeout for icmp_seq 2
Request timeout for icmp_seq 3
Request timeout for icmp_seq 4
Request timeout for icmp_seq 5
Request timeout for icmp_seq 6
Request timeout for icmp_seq 7
64 bytes from 192.168.0.1: icmp_seq=1 ttl=30 time=7062.953 ms
64 bytes from 192.168.0.1: icmp_seq=2 ttl=30 time=6205.862 ms
64 bytes from 192.168.0.1: icmp_seq=3 ttl=30 time=5470.707 ms
64 bytes from 192.168.0.1: icmp_seq=4 ttl=30 time=4504.167 ms
64 bytes from 192.168.0.1: icmp_seq=5 ttl=30 time=3885.971 ms
64 bytes from 192.168.0.1: icmp_seq=6 ttl=30 time=2885.395 ms
64 bytes from 192.168.0.1: icmp_seq=7 ttl=30 time=1915.055 ms
64 bytes from 192.168.0.1: icmp_seq=8 ttl=30 time=941.990 ms
64 bytes from 192.168.0.1: icmp_seq=8 ttl=30 time=942.002 ms (DUP!)
64 bytes from 192.168.0.1: icmp_seq=9 ttl=30 time=466.723 ms
--- 192.168.0.1 ping statistics ---
10 packets transmitted, 10 packets received, +1 duplicates, 0.0% packet loss
round-trip min/avg/max/stddev = 9.786/3117.328/7062.953/2351.120 ms