我尝试在windows10机器上使用yarn和react-native运行一个构建作业，下面的命令在jenkins内部执行，以准备实际构建一个原生Windows应用。

yarn config set proxy http://192.109.190.88:8080 
yarn config set https-proxy http://192.109.190.88:8080 
yarn add react-native

尽管代理设置是正确的（也尝试了“http://192.109.190.88:8080/“），但这会导致以下输出：

yarn add v0.27.5
[1/4] Resolving packages...
warning There appears to be trouble with your network connection. Retrying...
warning There appears to be trouble with your network connection. Retrying...
warning There appears to be trouble with your network connection. Retrying...
warning There appears to be trouble with your network connection. Retrying...

任何关于为什么会发生这种情况的想法都是非常感谢的。