修改dns方法：
cmd执行：netsh interface ip set dns “本地连接” source=static addr=8.8.8.8
刷新dns缓存方法：
cmd执行：ipconfig /flushdns
8.8.8.8 8.8.4.4 119.29.29.29 223.6.6.6 223.5.5.5 180.76.76.76 101.226.4.6 123.125.81.6 101.226.4.6 101.226.4.6 208.67.220.220 114.114.114.114 114.114.115.115 114.114.114.114 114.114.115.115 114.114.114.119 114.114.115.119 114.114.114.110 114.114.115.110 223.5.5.5 223.6.6.6 180.76.76.76 119.29.29.29 119.28.28.28 182.254.118.118 182.254.116.116 1.2.4.8 210.2.4.8 117.50.11.11 117.50.22.22 112.124.47.27 114.215.126.16 101.226.4.6 218.30.118.6 123.125.81.6 140.207.198.6 123.207.137.88 115.159.220.214 122.114.245.45 115.159.96.69 115.159.157.26 115.159.158.38 123.206.61.167 119.29.105.234 101.236.28.23 120.77.212.84 123.207.137.88 115.159.220.214 115.159.146.99 123.206.21.48 101.6.6.6 223.5.5.5 223.6.6.6 180.76.76.76 114.114.114.114 114.114.115.115 114.114.114.119 114.114.115.119 114.114.114.110 114.114.115.110 117.50.11.11 117.50.22.22 112.124.47.27 114.215.126.16 123.207.137.88 115.159.220.214 122.114.245.45 115.159.96.69 115.159.157.26 115.159.158.38 101.226.4.6 218.30.118.6 123.125.81.6 140.207.198.6 42.120.21.30 1.2.4.8 210.2.4.8 63.223.94.66 119.29.29.29 119.28.28.28 182.254.118.118 182.254.116.116 202.141.162.123 202.141.178.13 202.38.93.153 202.141.176.93 115.159.146.99 123.206.21.48 223.113.97.99 101.132.183.99 193.112.15.186 119.23.248.241 123.206.61.167 119.29.105.234 101.236.28.23 120.77.212.84 123.207.137.88 115.159.220.214 115.159.146.99 123.206.21.48 101.6.6.6 40.73.101.101 202.97.229.133 202.97.224.68 219.150.32.132 202.98.5.68 202.98.14.18 202.98.14.19 202.98.0.68 202.96.75.68 202.96.75.64 202.96.69.38 202.96.86.18 202.96.86.24 202.96.199.133 202.96.0.133 202.106.0.20 202.106.148.1 202.97.16.195 202.138.96.2 202.99.96.68 10.10.64.68 202.99.104.68 10.17.128.90 202.99.160.68 202.99.166.4 202.100.13.11 202.100.4.16 202.99.192.68 202.99.198.6 202.100.4.15 202.100.0.68 202.102.154.3 202.102.152.3 202.102.128.68 202.102.134.68 202.102.15.162 202.102.29.3 202.102.13.141 202.102.24.35 202.96.199.132 202.96.199.133 202.96.209.5 202.96.209.6 202.96.209.133 40.73.101.101 114.114.114.114 114.114.115.115 223.5.5.5 223.6.6.6 180.76.76.76 119.29.29.29 182.254.116.116 1.1.1.1 1.0.0.1 8.8.8.8 8.8.4.4 208.67.222.222 208.67.220.220 4.2.2.1 4.2.2.2 1.1.1.1 1.0.0.1 8.8.8.8 8.8.4.4 208.67.222.222 208.67.220.220 4.2.2.1 4.2.2.2 114.114.114.114 114.114.115.115 114.114.114.119 114.114.115.119 114.114.114.110 114.114.115.110 223.5.5.5 223.6.6.6 180.76.76.76 119.29.29.29 119.28.28.28 182.254.118.118 182.254.116.116 115.159.157.26 115.159.158.38 1.2.4.8 210.2.4.8 112.124.47.27 114.215.126.16 101.226.4.6 218.30.118.6 123.125.81.6 140.207.198.6 208.67.222.222 208.67.220.220 115.159.96.69 122.114.245.45 123.207.137.88 115.159.220.214 122.114.245.45 115.159.96.69 115.159.157.26 115.159.158.38 202.141.162.123 202.38.93.153 202.141.176.93 168.95.192.1 168.95.1.1 115.159.146.99 123.206.21.48 115.159.157.26 115.159.158.38 106.14.152.170 63.223.94.66 8.8.8.8 8.8.4.4 4.2.2.1 4.2.2.2 203.80.96.10 203.80.96.9 8.26.56.26 8.20.247.20 199.91.73.222 178.79.131.110 156.154.70.1 156.154.71.1 199.85.126.10 199.85.127.10 64.6.64.6 64.6.65.6 216.146.35.35 216.146.36.36 80.80.80.80 80.80.81.81 114.114.114.114 114.114.115.115 223.5.5.5 223.6.6.6 180.76.76.76 119.29.29.29 182.254.116.116 1.2.4.8 210.2.4.8 112.124.47.27 114.215.126.16 101.226.4.6 218.30.118.6 123.125.81.6 140.207.198.6 8.8.8.8 8.8.4.4 208.67.222.222 208.67.220.220 199.91.73.222 178.79.131.110 61.132.163.68 202.102.213.68 219.141.136.10 219.141.140.10 61.128.192.68 61.128.128.68 218.85.152.99 218.85.157.99 202.100.64.68 61.178.0.93 202.96.128.86 202.96.128.166 202.96.134.33 202.96.128.68 202.103.225.68 202.103.224.68 202.98.192.67 202.98.198.167 222.88.88.88 222.85.85.85 219.147.198.230 219.147.198.242 202.103.24.68 202.103.0.68 222.246.129.80 59.51.78.211 218.2.2.2 218.4.4.4 61.147.37.1 218.2.135.1 202.101.224.69 202.101.226.68 219.148.162.31 222.74.39.50 219.146.1.66 219.147.1.66 218.30.19.40 61.134.1.4 202.96.209.133 116.228.111.118 202.96.209.5 108.168.255.118 61.139.2.69 218.6.200.139 219.150.32.132 219.146.0.132 222.172.200.68 61.166.150.123 202.101.172.35 61.153.177.196 61.153.81.75 60.191.244.5 202.106.196.115 202.106.46.151 202.106.0.20 202.106.195.68 221.5.203.98 221.7.92.98 210.21.196.6 221.5.88.88 202.99.160.68 202.99.166.4 202.102.224.68 202.102.227.68 202.97.224.69 202.97.224.68 202.98.0.68 202.98.5.68 221.6.4.66 221.6.4.67 202.99.224.68 202.99.224.8 202.102.128.68 202.102.152.3 202.102.134.68 202.102.154.3 202.99.192.66 202.99.192.68 221.11.1.67 221.11.1.68 210.22.70.3 210.22.84.3 119.6.6.6 124.161.87.155 202.99.104.68 202.99.96.68 221.12.1.227 221.12.33.227 202.96.69.38 202.96.64.68 221.131.143.69 112.4.0.55 211.138.180.2 211.138.180.3 218.201.96.130 211.137.191.26 180.153.225.136 115.29.189.118 203.195.182.150 118.244.224.124