如何修改hosts：

1. Windows 系统hosts位于 C:WindowsSystem32driversetchosts
2. 复制hosts源网址到浏览器打开，将 hosts 全部内容复制到上面的文件内并保存。
3. 请将 hosts 全部内容复制到/etc/hosts中并保存。

如何使其生效：

以Windows为例

1. 开始 -> 运行 （win+R）-> 输入cmd -> 在CMD窗口输入
2. ipconfig /flushdns

如果不懂的话:请拔网线(断网) -> 插网线(重新连接网络)如不行请清空浏览器缓存
如果电脑装有安全软件请加入信任。

# Tumblr Start
119.161.14.19    tumblr.com
119.161.14.20    www.tumblr.com
107.23.241.99    tumblr.co
124.108.101.59    api.tumblr.com
124.108.101.59    secure.static.tumblr.com
124.108.101.59    vt.media.tumblr.com
124.108.101.59    api-http2.tumblr.com
124.108.101.31    assets.tumblr.com
119.161.4.32    secure.assets.tumblr.com
119.161.4.42    static.tumblr.com
119.161.4.42    media.tumblr.com
119.161.4.42    vt.tumblr.com
119.161.4.42    vtt.tumblr.com
66.6.32.21    cynicallys.tumblr.com
152.195.57.79    mx.tumblr.com
66.6.33.21    24.media.tumblr.com
66.6.33.21    25.media.tumblr.com
66.6.33.21    31.media.tumblr.com
66.6.33.21    33.media.tumblr.com
66.6.33.21    37.media.tumblr.com
66.6.33.21    38.media.tumblr.com
66.6.33.21    40.media.tumblr.com
66.6.33.21    49.media.tumblr.com
66.6.33.21    55.media.tumblr.com
66.6.33.21    56.media.tumblr.com
66.6.33.21    57.media.tumblr.com
66.6.33.21    66.media.tumblr.com
124.108.101.58    58.media.tumblr.com
124.108.101.58    68.media.tumblr.com
124.108.101.58    78.media.tumblr.com
124.108.101.58    90.media.tumblr.com
124.108.101.58    92.media.tumblr.com
66.6.32.162    ls.srvcs.tumblr.com
66.6.32.162    px.srvcs.tumblr.com
54.192.109.252    96.media.tumblr.com
152.199.38.136    97.media.tumblr.com
# Tumblr End

# Vimeo Start
151.101.0.217    vimeo.com
151.101.192.217    api.vimeo.com
151.101.64.217    www.vimeo.com
151.101.128.217    player.vimeo.com
151.101.78.109    i.vimeocdn.com
151.101.2.109    f.vimeocdn.com
151.101.64.249    vimeo-hp-videos.global.ssl.fastly.net
198.245.92.39    click.email.vimeo.com
# Vimeo End

# Telegram Start
149.154.166.206    telegram.org
149.154.166.206    desktop.telegram.org
149.154.166.206    core.telegram.org
149.154.166.206    oauth.telegram.org
149.154.167.220    api.telegram.org
149.154.175.16    pluto.web.telegram.org
149.154.175.16    pluto-1.web.telegram.org
149.154.167.25    venus.web.telegram.org
149.154.167.25    venus-1.web.telegram.org
149.154.175.115    aurora.web.telegram.org
149.154.175.115    aurora-1.web.telegram.org
149.154.167.124    vesta.web.telegram.org
149.154.167.124    vesta-1.web.telegram.org
149.154.164.225    flora.web.telegram.org
149.154.164.225    flora-1.web.telegram.org
149.154.167.118    telegram.me
149.154.167.118    t.me
149.154.167.80    updates.tdesktop.com
# Telegram End

# Vimeo Start
151.101.0.217    vimeo.com
151.101.192.217    api.vimeo.com
151.101.64.217    www.vimeo.com
151.101.128.217    player.vimeo.com
151.101.78.109    i.vimeocdn.com
151.101.2.109    f.vimeocdn.com
151.101.64.249    vimeo-hp-videos.global.ssl.fastly.net
198.245.92.39    click.email.vimeo.com
# Vimeo End

# Instagram Start
31.13.82.172    instagram.com
31.13.82.174    www.instagram.com
157.240.15.174    badges.instagram.com
157.240.15.174    graph.instagram.com
157.240.15.63    logger.instagram.com
157.240.15.63    maps.instagram.com
52.45.94.103    i.instagram.com
52.45.94.103    api.instagram.com
31.13.76.172    help.instagram.com
31.13.76.172    platform.instagram.com
66.6.32.22    blog.instagram.com
31.13.87.52    scontent.cdninstagram.com
157.240.15.174    scontent-a.cdninstagram.com
157.240.15.174    scontent-b.cdninstagram.com
31.13.91.52    scontent-a-ams.cdninstagram.com
31.13.91.52    scontent-b-ams.cdninstagram.com
31.13.91.52    scontent-ams3-1.cdninstagram.com
31.13.91.172    scontent-a-amt.cdninstagram.com
31.13.91.172    scontent-b-amt.cdninstagram.com
31.13.91.172    scontent-amt2-1.cdninstagram.com
31.13.72.172    scontent-a-arn.cdninstagram.com
31.13.72.172    scontent-b-arn.cdninstagram.com
31.13.72.172    scontent-arn2-1.cdninstagram.com
31.13.65.172    scontent-a-atl.cdninstagram.com
31.13.65.172    scontent-b-atl.cdninstagram.com
31.13.65.172    scontent-atl3-1.cdninstagram.com
157.240.6.52    scontent-a-bog.cdninstagram.com
157.240.6.52    scontent-b-bog.cdninstagram.com
157.240.6.52    scontent-bog1-1.cdninstagram.com
179.60.195.172    scontent-a-bru.cdninstagram.com
179.60.195.172    scontent-b-bru.cdninstagram.com
179.60.195.172    scontent-bru2-1.cdninstagram.com
179.60.192.52    scontent-a-cdg.cdninstagram.com
179.60.192.52    scontent-b-cdg.cdninstagram.com
179.60.192.52    scontent-cdg2-1.cdninstagram.com
31.13.94.51    scontent-a-eze.cdninstagram.com
31.13.94.51    scontent-b-eze.cdninstagram.com
31.13.94.51    scontent-eze1-1.cdninstagram.com
31.13.92.51    scontent-a-frt.cdninstagram.com
31.13.92.51    scontent-b-frt.cdninstagram.com
31.13.92.51    scontent-frt3-1.cdninstagram.com
185.60.216.174    scontent-a-frx.cdninstagram.com
185.60.216.174    scontent-b-frx.cdninstagram.com
185.60.216.174    scontent-frx5-1.cdninstagram.com
157.240.12.52    scontent-a-gru.cdninstagram.com
157.240.12.52    scontent-b-gru.cdninstagram.com
31.13.95.172    scontent-a-hkg.cdninstagram.com
31.13.95.172    scontent-b-hkg.cdninstagram.com
31.13.69.172    scontent-a-iad.cdninstagram.com
31.13.69.172    scontent-b-iad.cdninstagram.com
31.13.69.172    scontent-iad.cdninstagram.com
31.13.69.172    scontent-iad3-1.cdninstagram.com
31.13.68.174    scontent-a-icn.cdninstagram.com
31.13.68.174    scontent-b-icn.cdninstagram.com
31.13.68.174    scontent-icn1-1.cdninstagram.com
157.240.10.52    scontent-a-kut.cdninstagram.com
157.240.10.52    scontent-b-kut.cdninstagram.com
31.13.70.172    scontent-a-lax.cdninstagram.com
31.13.70.172    scontent-b-lax.cdninstagram.com
31.13.70.172    scontent-lax.cdninstagram.com
31.13.71.174    scontent-a-lga.cdninstagram.com
31.13.71.174    scontent-b-lga.cdninstagram.com
31.13.71.174    scontent-lga.cdninstagram.com
31.13.71.174    scontent-lga3-1.cdninstagram.com
31.13.90.174    scontent-a-lhr.cdninstagram.com
31.13.90.174    scontent-b-lhr.cdninstagram.com
31.13.90.174    scontent-lhr3-1.cdninstagram.com
157.240.1.172    scontent-a-lht.cdninstagram.com
157.240.1.172    scontent-b-lht.cdninstagram.com
157.240.1.172    scontent-lht6-1.cdninstagram.com
31.13.83.52    scontent-a-mad.cdninstagram.com
31.13.83.52    scontent-b-mad.cdninstagram.com
31.13.83.52    scontent-mad1-1.cdninstagram.comc
31.13.75.174    scontent-a-mrs.cdninstagram.com
31.13.75.174    scontent-b-mrs.cdninstagram.com
31.13.75.174    scontent-mrs1-1.cdninstagram.com
31.13.86.52    scontent-a-mxp.cdninstagram.com
31.13.86.52    scontent-b-mxp.cdninstagram.com
31.13.86.52    scontent-mxp1-1.cdninstagram.com
31.13.82.174    scontent-a-nrt.cdninstagram.com
31.13.82.174    scontent-b-nrt.cdninstagram.com
31.13.82.174    scontent-nrt1-1.cdninstagram.com
157.240.18.63    scontent-a-ort.cdninstagram.com
157.240.18.63    scontent-b-ort.cdninstagram.com
185.60.218.52    scontent-a-otp.cdninstagram.com
185.60.218.52    scontent-b-otp.cdninstagram.com
185.60.218.52    scontent-otp1-1.cdninstagram.com
179.60.193.63    scontent-a-scl.cdninstagram.com
179.60.193.63    scontent-b-scl.cdninstagram.com
179.60.193.63    scontent-scl1-1.cdninstagram.com
31.13.76.174    scontent-a-sea.cdninstagram.com
31.13.76.174    scontent-b-sea.cdninstagram.com
31.13.76.174    scontent-sea1-1.cdninstagram.com
157.240.7.172    scontent-a-sin.cdninstagram.com
157.240.7.172    scontent-b-sin.cdninstagram.com
31.13.78.172    scontent-a-sit.cdninstagram.com
31.13.78.172    scontent-b-sit.cdninstagram.com
31.13.78.172    scontent-sit4-1.cdninstagram.com
157.240.22.63    scontent-a-sjc.cdninstagram.com
157.240.22.63    scontent-b-sjc.cdninstagram.com
157.240.22.63    scontent-sjc3-1.cdninstagram.com
157.240.9.52    scontent-a-sof.cdninstagram.com
157.240.9.52    scontent-b-sof.cdninstagram.com
157.240.9.52    scontent-sof1-1.cdninstagram.com
157.240.8.174    scontent-a-syd.cdninstagram.com
157.240.8.174    scontent-b-syd.cdninstagram.com
157.240.8.174    scontent-syd2-1.cdninstagram.com
31.13.87.52    scontent-a-tpe.cdninstagram.com
31.13.87.52    scontent-b-tpe.cdninstagram.com
31.13.87.52    scontent-tpe1-1.cdninstagram.com
31.13.84.52    scontent-a-vie.cdninstagram.com
31.13.84.52    scontent-b-vie.cdninstagram.com
31.13.84.52    scontent-vie1-1.cdninstagram.com
31.13.81.52    scontent-a-waw.cdninstagram.com
31.13.81.52    scontent-b-waw.cdninstagram.com
31.13.81.52    scontent-waw1-1.cdninstagram.com
31.13.80.52    scontent-a-yyz.cdninstagram.com
31.13.80.52    scontent-b-yyz.cdninstagram.com
31.13.80.52    scontent-yyz1-1.cdninstagram.com
31.13.85.172    scontent-gru2-1.cdninstagram.com
157.240.12.172    scontent-gru2-2.cdninstagram.com
31.13.95.174    scontent-hkg3-1.cdninstagram.com
157.240.15.172    scontent-hkg3-2.cdninstagram.com
157.240.10.172    scontent-kut2-1.cdninstagram.com
179.60.194.63    scontent-kut2-2.cdninstagram.com
31.13.70.174    scontent-lax3-1.cdninstagram.com
157.240.11.174    scontent-lax3-2.cdninstagram.com
157.240.2.172    scontent-ort2-1.cdninstagram.com
157.240.18.172    scontent-ort2-2.cdninstagram.com
157.240.7.174    scontent-sin6-1.cdninstagram.com
157.240.13.172    scontent-sin6-2.cdninstagram.com
# Instagram End

后期可能会进行更新
hosts来源：https://github.com/googlehosts/hosts/blob/master/hosts-files/hosts