1. 进入 C:WindowsSystem32driversetc 目录 ，打开 hosts 文件
2. 添加一下内容：
# Google Start
61.91.161.217 www.google.com
61.91.161.217 google.com
61.91.161.217 gcr.io
61.91.161.217 www.gcr.io
61.91.161.217 com.google
61.91.161.217 admin.google.com
61.91.161.217 accounts.google.com
61.91.161.217 accounts.google.cn
61.91.161.217 aboutme.google.com
61.91.161.217 atap.google.com
61.91.161.217 assistant.google.com
61.91.161.217 passwords.google.com
61.91.161.217 privacy.google.com
61.91.161.217 takeout.google.com
61.91.161.217 bpui0.google.com
61.91.161.217 cse.google.com
61.91.161.217 clients1.google.com
61.91.161.217 clients2.google.com
61.91.161.217 clients3.google.com
61.91.161.217 clients4.google.com
61.91.161.217 clients5.google.com
61.91.161.217 clients6.google.com
61.91.161.217 client2.google.com
61.91.161.217 client4.google.com
61.91.161.217 client6.google.com
61.91.161.217 classroom.google.com
61.91.161.217 classroom.google.ca
61.91.161.217 clouderrorreporting.clients6.google.com
61.91.161.217 datastore.clients6.google.com
61.91.161.217 contributor.google.com
61.91.161.217 dns.google.com
61.91.161.217 desktop.google.com
61.91.161.217 desktop2.google.com
61.91.161.217 encrypted.google.com
61.91.161.217 encrypted-tbn0.google.com
61.91.161.217 encrypted-tbn1.google.com
61.91.161.217 encrypted-tbn2.google.com
61.91.161.217 encrypted-tbn3.google.com
61.91.161.217 fi.google.com
61.91.161.217 fit.google.com
61.91.161.217 fiber.google.com
61.91.161.217 fonts.google.com
61.91.161.217 firebase.google.com
61.91.161.217 console.firebase.google.com
61.91.161.217 mobilesdk-pa.clients6.google.com
61.91.161.217 cloudusersettings-pa.clients6.google.com
61.91.161.217 firebasestorage.clients6.google.com
61.91.161.217 firebaserules.clients6.google.com
61.91.161.217 firebasedurablelinks-pa.clients6.google.com
61.91.161.217 cloudconfig.clients6.google.com
61.91.161.217 gcmcontextualcampaign-pa.clients6.google.com
61.91.161.217 mobilecrashreporting.clients6.google.com
61.91.161.217 reminders-pa.clients6.google.com
61.91.161.217 goto.google.com
61.91.161.217 gxc.google.com
61.91.161.217 get.google.com
61.91.161.217 gsuite.google.com
61.91.161.217 history.google.com
61.91.161.217 myactivity.google.com
61.91.161.217 isp.google.com
61.91.161.217 investor.google.com
61.91.161.217 issuetracker.google.com
61.91.161.217 jmt0.google.com
61.91.161.217 keep.google.com
61.91.161.217 linkhelp.clients.google.com
61.91.161.217 upload.clients.google.com
61.91.161.217 myaccount.google.com
61.91.161.217 opensource.google.com
61.91.161.217 peering.google.com
61.91.161.217 places.google.com
61.91.161.217 pki.google.com
61.91.161.217 patents.google.com
61.91.161.217 script.google.com
61.91.161.217 security.google.com
61.91.161.217 services.google.com
61.91.161.217 summerofcode.withgoogle.com
61.91.161.217 store.google.com
61.91.161.217 suggestqueries.google.com
61.91.161.217 support.google.com
61.91.161.217 upload.google.com
61.91.161.217 uploads.clients.google.com
61.91.161.217 video.google.com
61.91.161.217 video-stats.video.google.com
61.91.161.217 voice.google.com
61.91.161.217 upload.video.google.com
61.91.161.217 ads.google.com
61.91.161.217 www.googlegroups.com
61.91.161.217 a.orkut.gmodules.com
61.91.161.217 www.googlestore.com
61.91.161.217 ig.ig.gmodules.com
61.91.161.217 redirector.c.youtube.com
61.91.161.217 relay.google.com
61.91.161.217 image.google.com
61.91.161.217 mapsengine.google.com
61.91.161.217 client-channel.google.com
61.91.161.217 0.client-channel.google.com
61.91.161.217 1.client-channel.google.com
61.91.161.217 2.client-channel.google.com
61.91.161.217 3.client-channel.google.com
61.91.161.217 4.client-channel.google.com
61.91.161.217 5.client-channel.google.com
61.91.161.217 6.client-channel.google.com
61.91.161.217 7.client-channel.google.com
61.91.161.217 8.client-channel.google.com
61.91.161.217 9.client-channel.google.com
61.91.161.217 10.client-channel.google.com
61.91.161.217 11.client-channel.google.com
61.91.161.217 12.client-channel.google.com
61.91.161.217 13.client-channel.google.com
61.91.161.217 14.client-channel.google.com
61.91.161.217 15.client-channel.google.com
61.91.161.217 16.client-channel.google.com
61.91.161.217 17.client-channel.google.com
61.91.161.217 18.client-channel.google.com
61.91.161.217 19.client-channel.google.com
61.91.161.217 20.client-channel.google.com
61.91.161.217 21.client-channel.google.com
61.91.161.217 22.client-channel.google.com
61.91.161.217 23.client-channel.google.com
61.91.161.217 24.client-channel.google.com
61.91.161.217 25.client-channel.google.com
61.91.161.217 26.client-channel.google.com
61.91.161.217 27.client-channel.google.com
61.91.161.217 28.client-channel.google.com
61.91.161.217 29.client-channel.google.com
61.91.161.217 cello.client-channel.google.com
61.91.161.217 google.com.hk
61.91.161.217 www.google.com.hk
61.91.161.217 accounts.google.com.hk
61.91.161.217 clients1.google.com.hk
61.91.161.217 desktop.google.com.hk
61.91.161.217 gxc.google.com.hk
61.91.161.217 video.google.com.hk
61.91.161.217 id.google.com.hk
61.91.161.217 mobile.google.com.hk
61.91.161.217 picasaweb.google.com.hk
61.91.161.217 www.googlechinawebmaster.com
61.91.161.217 google.com.tw
61.91.161.217 www.google.com.tw
61.91.161.217 accounts.google.com.tw
61.91.161.217 books.google.com.tw
61.91.161.217 clients1.google.com.tw
61.91.161.217 desktop.google.com.tw
61.91.161.217 groups.google.com.tw
61.91.161.217 gxc.google.com.tw
61.91.161.217 id.google.com.tw
61.91.161.217 images.google.com.tw
61.91.161.217 picasaweb.google.com.tw
61.91.161.217 toolbar.google.com.tw
61.91.161.217 toolbarqueries.google.com.tw
61.91.161.217 video.google.com.tw
61.91.161.217 google.co.jp
61.91.161.217 www.google.co.jp
61.91.161.217 accounts.google.co.jp
61.91.161.217 blogsearch.google.co.jp
61.91.161.217 books.google.co.jp
61.91.161.217 clients1.google.co.jp
61.91.161.217 desktop.google.co.jp
61.91.161.217 groups.google.co.jp
61.91.161.217 images.google.co.jp
61.91.161.217 maps.google.co.jp
61.91.161.217 news.google.co.jp
61.91.161.217 picasaweb.google.co.jp
61.91.161.217 scholar.google.co.jp
61.91.161.217 toolbar.google.co.jp
61.91.161.217 toolbarqueries.google.co.jp
61.91.161.217 translate.google.co.jp
61.91.161.217 google.com.sg
61.91.161.217 www.google.com.sg
61.91.161.217 accounts.google.com.sg
61.91.161.217 blogsearch.google.com.sg
61.91.161.217 books.google.com.sg
61.91.161.217 clients1.google.com.sg
61.91.161.217 desktop.google.com.sg
61.91.161.217 groups.google.com.sg
61.91.161.217 gxc.google.com.sg
61.91.161.217 id.google.com.sg
61.91.161.217 images.google.com.sg
61.91.161.217 maps.google.com.sg
61.91.161.217 news.google.com.sg
61.91.161.217 scholar.google.com.sg
61.91.161.217 toolbar.google.com.sg
61.91.161.217 toolbarqueries.google.com.sg
61.91.161.217 translate.google.com.sg
61.91.161.217 apps.google.com
61.91.161.217 googlemashups.com
61.91.161.217 www.googlemashups.com
61.91.161.217 appengine.google.com
61.91.161.217 uploads.stage.gdata.youtube.com
61.91.161.217 answers.google.com
61.91.161.217 wenda.google.com.hk
61.91.161.217 analytics.googleblog.com
61.91.161.217 android.googleblog.com
61.91.161.217 android-developers.googleblog.com
61.91.161.217 androidstudio.googleblog.com
61.91.161.217 firebase.googleblog.com
61.91.161.217 research.googleblog.com
61.91.161.217 security.googleblog.com
61.91.161.217 gmail.googleblog.com
61.91.161.217 chrome.googleblog.com
61.91.161.217 search.googleblog.com
61.91.161.217 opensource.googleblog.com
61.91.161.217 webmasters.googleblog.com
61.91.161.217 maps.googleblog.com
61.91.161.217 cloudplatform.googleblog.com
61.91.161.217 youtube.googleblog.com
61.91.161.217 blogsearch.google.com
61.91.161.217 blogsearch.google.com.hk
61.91.161.217 blogsearch.google.com.tw
61.91.161.217 accounts.blogger.com
61.91.161.217 www.blogger.com
61.91.161.217 blogger.com
61.91.161.217 www.googleblog.com
61.91.161.217 googleblog.com
61.91.161.217 blogger.google.com
61.91.161.217 www2.blogger.com
61.91.161.217 www.blogblog.com
61.91.161.217 www1.blogblog.com
61.91.161.217 www2.blogblog.com
61.91.161.217 beta.blogger.com
61.91.161.217 buttons.blogger.com
61.91.161.217 buzz.blogger.com
61.91.161.217 draft.blogger.com
61.91.161.217 status.blogger.com
61.91.161.217 help.blogger.com
61.91.161.217 photos1.blogger.com
61.91.161.217 bp0.blogger.com
61.91.161.217 bp1.blogger.com
61.91.161.217 bp2.blogger.com
61.91.161.217 bp3.blogger.com
61.91.161.217 img.blogblog.com
61.91.161.217 img1.blogblog.com
61.91.161.217 img2.blogblog.com
61.91.161.217 resources.blogblog.com
61.91.161.217 www.textcube.com
61.91.161.217 www.blogspot.com
61.91.161.217 blogspot.com
61.91.161.217 1.bp.blogspot.com
61.91.161.217 2.bp.blogspot.com
61.91.161.217 3.bp.blogspot.com
61.91.161.217 4.bp.blogspot.com
61.91.161.217 googleblog.blogspot.com
61.91.161.217 googleforstudents.blogspot.com
61.91.161.217 students.googleblog.com
61.91.161.217 chrome.blogspot.com
61.91.161.217 publicpolicy.googleblog.com
61.91.161.217 googlepublicpolicy.blogspot.com
61.91.161.217 googleadservices.com
61.91.161.217 www.googleadservices.com
61.91.161.217 google-latlong.blogspot.com
61.91.161.217 insidesearch.blogspot.com
61.91.161.217 googleadsdeveloper.blogspot.com
61.91.161.217 googledevelopers.blogspot.com
61.91.161.217 officialandroid.blogspot.com
61.91.161.217 android-developers.blogspot.com
61.91.161.217 android-developers.blogspot.hk
61.91.161.217 developers.googleblog.com
61.91.161.217 books.google.com
61.91.161.217 books.google.com.hk
61.91.161.217 buzz.google.com
61.91.161.217 calendar.google.com
61.91.161.217 checkout.google.com
61.91.161.217 wallet.google.com
61.91.161.217 landing.google.com
61.91.161.217 chrome.com
61.91.161.217 www.chrome.com
61.91.161.217 developer.chrome.com
61.91.161.217 www.chromestatus.com
61.91.161.217 chrome.google.com
61.91.161.217 browsersync.google.com
61.91.161.217 toolbarqueries.google.com.hk
61.91.161.217 toolbarqueries.clients.google.com
61.91.161.217 chromium.org
61.91.161.217 www.chromium.org
61.91.161.217 cs.chromium.org
61.91.161.217 dev.chromium.org
61.91.161.217 blog.chromium.org
64.233.188.121 bugs.chromium.org
61.91.161.217 www.appspot.com
61.91.161.217 appspot.com
61.91.161.217 apis-explorer.appspot.com
61.91.161.217 betaspike.appspot.com
61.91.161.217 hstspreload.appspot.com
61.91.161.217 chrome-devtools-frontend.appspot.com
61.91.161.217 chrometophone.appspot.com
61.91.161.217 google-developers.appspot.com
61.91.161.217 download-chromium.appspot.com
61.91.161.217 jmoore-dot-android-experiments.appspot.com
61.91.161.217 lfe-alpo-gm.appspot.com
61.91.161.217 m-dot-betaspike.appspot.com
61.91.161.217 mission-author-dot-betaspike.appspot.com
61.91.161.217 joinjoaomgcd.appspot.com
61.91.161.217 accounts.google.com.gi
61.91.161.217 accounts.google.co.nz
61.91.161.217 id.google.co.nz
61.91.161.217 googlecode.com
61.91.161.217 www.googlecode.com
61.91.161.217 fuchsia.googlesource.com
61.91.161.217 googlesource.com
61.91.161.217 boringssl.googlesource.com
61.91.161.217 gerrit.googlesource.com
61.91.161.217 gerrit-review.googlesource.com
61.91.161.217 chromium.googlesource.com
61.91.161.217 kernel.googlesource.com
61.91.161.217 android-review.googlesource.com
61.91.161.217 r.android.com
61.91.161.217 gwt.googlesource.com
61.91.161.217 code.google.com
61.91.161.217 uploads.code.google.com
61.91.161.217 android.googlecode.com
61.91.161.217 chromium.googlecode.com
61.91.161.217 closure-library.googlecode.com
61.91.161.217 earth-api-samples.googlecode.com
61.91.161.217 gmaps-samples-flash.googlecode.com
61.91.161.217 googleappengine.googlecode.com
61.91.161.217 google-code-feed-gadget.googlecode.com
61.91.161.217 google-code-prettify.googlecode.com
61.91.161.217 www.googlesource.com
61.91.161.217 android.googlesource.com
61.91.161.217 cloud.google.com
61.91.161.217 ogs.google.com
61.91.161.217 packages.cloud.google.com
61.91.161.217 console.cloud.google.com
61.91.161.217 status.cloud.google.com
61.91.161.217 ssh.cloud.google.com
61.91.161.217 developers.google.com
61.91.161.217 cloudssh.developers.google.com
61.91.161.217 codelabs.developers.google.com
61.91.161.217 console.developers.google.com
61.91.161.217 source.developers.google.com
61.91.161.217 cla.developers.google.com
61.91.161.217 design.google.com
61.91.161.217 directory.google.com
61.91.161.217 dir.google.com
61.91.161.217 events.google.com
61.91.161.217 events.withgoogle.com
61.91.161.217 savethedate.foo
61.91.161.217 www.savethedate.foo
61.91.161.217 googledrive.com
61.91.161.217 docs.google.com
61.91.161.217 drive.google.com
61.91.161.217 docs0.google.com
61.91.161.217 docs1.google.com
61.91.161.217 docs2.google.com
61.91.161.217 docs3.google.com
61.91.161.217 docs4.google.com
61.91.161.217 docs5.google.com
61.91.161.217 docs6.google.com
61.91.161.217 docs7.google.com
61.91.161.217 docs8.google.com
61.91.161.217 docs9.google.com
61.91.161.217 material.google.com
216.239.38.21 material.io
61.91.161.217 writely.google.com
61.91.161.217 upload.docs.google.com
61.91.161.217 upload.drive.google.com
61.91.161.217 0.docs.google.com
61.91.161.217 1.docs.google.com
61.91.161.217 2.docs.google.com
61.91.161.217 3.docs.google.com
61.91.161.217 4.docs.google.com
61.91.161.217 5.docs.google.com
61.91.161.217 6.docs.google.com
61.91.161.217 7.docs.google.com
61.91.161.217 8.docs.google.com
61.91.161.217 9.docs.google.com
61.91.161.217 10.docs.google.com
61.91.161.217 11.docs.google.com
61.91.161.217 12.docs.google.com
61.91.161.217 13.docs.google.com
61.91.161.217 14.docs.google.com
61.91.161.217 15.docs.google.com
61.91.161.217 16.docs.google.com
61.91.161.217 0.drive.google.com
61.91.161.217 1.drive.google.com
61.91.161.217 2.drive.google.com
61.91.161.217 3.drive.google.com
61.91.161.217 4.drive.google.com
61.91.161.217 5.drive.google.com
61.91.161.217 6.drive.google.com
61.91.161.217 7.drive.google.com
61.91.161.217 8.drive.google.com
61.91.161.217 9.drive.google.com
61.91.161.217 10.drive.google.com
61.91.161.217 11.drive.google.com
61.91.161.217 12.drive.google.com
61.91.161.217 13.drive.google.com
61.91.161.217 14.drive.google.com
61.91.161.217 15.drive.google.com
61.91.161.217 16.drive.google.com
61.91.161.217 spreadsheet.google.com
61.91.161.217 spreadsheets.google.com
61.91.161.217 spreadsheets0.google.com
61.91.161.217 spreadsheets1.google.com
61.91.161.217 spreadsheets2.google.com
61.91.161.217 spreadsheets3.google.com
61.91.161.217 spreadsheets4.google.com
61.91.161.217 spreadsheets5.google.com
61.91.161.217 spreadsheets6.google.com
61.91.161.217 spreadsheets7.google.com
61.91.161.217 spreadsheets8.google.com
61.91.161.217 spreadsheets9.google.com
61.91.161.217 drivenotepad.appspot.com
61.91.161.217 8c953efe117cb4ee14eaffe2b417623a104ce4e6.googledrive.com
61.91.161.217 v3.cache1.c.docs.google.com
61.91.161.217 domains.google.com
61.91.161.217 dl-ssl.google.com
61.91.161.217 earth.google.com
61.91.161.217 auth.keyhole.com
61.91.161.217 geoauth.google.com
61.91.161.217 finance.google.com
61.91.161.217 fusion.google.com
61.91.161.217 fusiontables.google.com
61.91.161.217 groups.google.com
61.91.161.217 groups.google.com.hk
61.91.161.217 groups-beta.google.com
61.91.161.217 productforums.google.com
61.91.161.217 a77db9aa-a-7b23c8ea-s-sites.googlegroups.com
61.91.161.217 blob-s-docs.googlegroups.com
61.91.161.217 health.google.com
61.91.161.217 images.google.com
61.91.161.217 images.google.com.hk
61.91.161.217 tbn0.google.com
61.91.161.217 tbn1.google.com
61.91.161.217 tbn2.google.com
61.91.161.217 tbn3.google.com
61.91.161.217 inputtools.google.com
61.91.161.217 knol.google.com
61.91.161.217 mars.google.com
61.91.161.217 maps.google.com
61.91.161.217 maps.google.com.hk
61.91.161.217 maps.google.com.tw
61.91.161.217 local.google.com
61.91.161.217 ditu.google.com
61.91.161.217 maps-api-ssl.google.com
61.91.161.217 map.google.com
61.91.161.217 cbk0.google.com
61.91.161.217 cbk1.google.com
61.91.161.217 cbk2.google.com
61.91.161.217 cbk3.google.com
61.91.161.217 khms.google.com
61.91.161.217 khms0.google.com
61.91.161.217 khms1.google.com
61.91.161.217 khms2.google.com
61.91.161.217 khms3.google.com
61.91.161.217 cbks0.google.com
61.91.161.217 cbks1.google.com
61.91.161.217 cbks2.google.com
61.91.161.217 cbks3.google.com
61.91.161.217 ipv4.google.com
61.91.161.217 mw1.google.com
61.91.161.217 mw2.google.com
61.91.161.217 mt.google.com
61.91.161.217 mt0.google.com
61.91.161.217 mt1.google.com
61.91.161.217 mt2.google.com
61.91.161.217 mt3.google.com
61.91.161.217 gg.google.com
61.91.161.217 id.google.com
61.91.161.217 mts.google.com
61.91.161.217 mts0.google.com
61.91.161.217 mts1.google.com
61.91.161.217 mts2.google.com
61.91.161.217 mts3.google.com
61.91.161.217 mobilemaps.clients.google.com
61.91.161.217 music.google.com
61.91.161.217 music.googleusercontent.com
61.91.161.217 music-pa.clients6.google.com
61.91.161.217 scholar.googleusercontent.com
61.91.161.217 uploadsj.clients.google.com
61.91.161.217 news.google.com
61.91.161.217 news.google.com.hk
61.91.161.217 news.google.com.tw
61.91.161.217 orkut.google.com
61.91.161.217 www.orkut.gmodules.com
61.91.161.217 pack.google.com
61.91.161.217 photos.google.com
61.91.161.217 picasa.google.com
61.91.161.217 picasaweb.google.com
61.91.161.217 lh2.google.com
61.91.161.217 lh3.google.com
61.91.161.217 lh4.google.com
61.91.161.217 lh5.google.com
61.91.161.217 lh6.google.com
61.91.161.217 upload.photos.google.com
61.91.161.217 profiles.google.com
61.91.161.217 plusone.google.com
61.91.161.217 plus.google.com
61.91.161.217 plus.url.google.com
61.91.161.217 spaces.google.com
61.91.161.217 pixel.google.com
61.91.161.217 madeby.google.com
61.91.161.217 vr.google.com
61.91.161.217 reader.google.com
61.91.161.217 research.google.com
61.91.161.217 sb.google.com
61.91.161.217 sb-ssl.google.com
61.91.161.217 safebrowsing.google.com
61.91.161.217 search.google.com
61.91.161.217 alt1-safebrowsing.google.com
61.91.161.217 alt2-safebrowsing.google.com
61.91.161.217 safebrowsing.clients.google.com
61.91.161.217 safebrowsing-cache.google.com
61.91.161.217 sandbox.google.com
61.91.161.217 scholar.google.com
61.91.161.217 scholar.google.com.hk
61.91.161.217 scholar.google.com.tw
61.91.161.217 sites.google.com
61.91.161.217 surveys.google.com
61.91.161.217 sketchup.google.com
61.91.161.217 tagmanager.google.com
61.91.161.217 talkgadget.google.com
61.91.161.217 tools.google.com
61.91.161.217 toolbar.google.com
61.91.161.217 toolbar.google.com.hk
61.91.161.217 translate.google.com
61.91.161.217 translate.google.com.hk
61.91.161.217 translate.google.com.tw
61.91.161.217 trends.google.com
61.91.161.217 0.gvt0.com
61.91.161.217 1.gvt0.com
61.91.161.217 2.gvt0.com
61.91.161.217 3.gvt0.com
61.91.161.217 4.gvt0.com
61.91.161.217 5.gvt0.com
61.91.161.217 wave.google.com
61.91.161.217 wave1.google.com
61.91.161.217 googlewave.com
61.91.161.217 wifi.google.com
61.91.161.217 gmodules.com
61.91.161.217 www.gmodules.com
61.91.161.217 www.ig.gmodules.com
61.91.161.217 ig.gmodules.com
61.91.161.217 ads.gmodules.com
61.91.161.217 p.gmodules.com
61.91.161.217 1.ig.gmodules.com
61.91.161.217 2.ig.gmodules.com
61.91.161.217 3.ig.gmodules.com
61.91.161.217 4.ig.gmodules.com
61.91.161.217 5.ig.gmodules.com
61.91.161.217 6.ig.gmodules.com
61.91.161.217 maps.gmodules.com
61.91.161.217 img0.gmodules.com
61.91.161.217 img1.gmodules.com
61.91.161.217 img2.gmodules.com
61.91.161.217 img3.gmodules.com
61.91.161.217 skins.gmodules.com
61.91.161.217 friendconnect.gmodules.com
61.91.161.217 0.blogger.gmodules.com
61.91.161.217 partnerpage.google.com
61.91.161.217 apis.google.com
61.91.161.217 domains.google
61.91.161.217 www.registry.google
61.91.161.217 www.domains.google
61.91.161.217 registry.google
61.91.161.217 apikeys.clients6.google.com
61.91.161.217 servicemanagement.clients6.google.com
61.91.161.217 cloudconsole-pa.clients6.google.com
61.91.161.217 iam.clients6.google.com
61.91.161.217 clientauthconfig.clients6.google.com
61.91.161.217 realtimesupport.clients6.google.com
61.91.161.217 360suite.google.com
61.91.161.217 optimize.google.com
216.58.206.14 attribution.google.com
61.91.161.217 audiencecenter.google.com
61.91.161.217 datastudio.google.com
61.91.161.217 studykit.google.com
61.91.161.217 business.google.com
61.91.161.217 google-analytics.com
61.91.161.217 www.googletagmanager.com
61.91.161.217 artsandculture.google.com
3. 刷新dns缓存：ipconfig/flushdns