1、修改hosts文件，Win10地址如下:C:\Windows\System32\drivers\etc
2、加上如下文本#Coursera52.84.246.90 d3c33hcgiwev3.cloudfront.net52.84.246.252 d3c33hcgiwev3.cloudfront.net52.84.246.144 d3c33hcgiwev3.cloudfront.net52.84.246.72 d3c33hcgiwev3.cloudfront.net52.84.246.106 d3c33hcgiwev3.cloudfront.net52.84.246.135 d3c33hcgiwev3.cloudfront.net52.84.246.114 d3c33hcgiwev3.cloudfront.net52.84.246.90 d3c33hcgiwev3.cloudfront.net52.84.246.227 d3c33hcgiwev3.cloudfront.net
3、保存修改后的文件, 此时就能够看Coursera的视频了。