1、打开Dns检测|Dns查询 - 站长工具
2、在检测输入栏中输入http://github.com官网选一个最小的
3、找到host文件(怎么找百度下议陬涸渎即可)把左侧的输入即可，如下（注意最后一行）：# Copyright (c像粜杵泳) 1993-2009 Microsoft Corp.## This is a sample HOSTS file used by Microsoft TCP/IP for Windows.## This file contains the mappings of IP addresses to host names. Each# entry should be kept on an individual line. The IP address should# be placed in the first column followed by the corresponding host name.# The IP address and the host name should be separated by at least one# space.## Additionally, comments (such as these) may be inserted on individual# lines or following the machine name denoted by a '#' symbol.## For example:## 102.54.94.97 rhino.acme.com # source server# 38.25.63.10 x.acme.com # x client host# localhost name resolution is handled within DNS itself.# 127.0.0.1 localhost# ::1 localhost#13.229.188.59 https://github.com
4、用WIN+R快捷键打开运行窗口，输入命令：cmd并回车进入命令行窗口。接着输入命令：ipconfig /flushdns回车后执行刷新本地dns缓存数据即可。