前端[yarnpkg/yarn] There appears to be trouble with your network connection.

近日，我安装完React-Native环境之后，惊讶的发现，yarn用不了了，不知道是安装了RN环境的问题，还是别的问题，yarn也重装了，但是依然没有解决问题。下面放几个解决问题的方法：

方法一：前端[yarnpkg/yarn] There appears to be trouble with your network connection.

1	yarn install --network-timeout 1000000 //我试了无效

1
2
3
4

yarn config set registry https://registry.npm.taobao.org
yarn config delete proxy
npm config rm proxy
npm config rm https-proxy

npm 超时

1	npm install -g cnpm --registry=https://registry.npm.taobao.org

1	npm config set registry https://registry.npm.taobao.org

使用npm或cnpm
前端[yarnpkg/yarn] There appears to be trouble with your network connection.

目前我使用cnpm和npm来进行报的添加。