gem sources --remove https://rubygems.org/ gem sources --add https://mirrors.tuna.tsinghua.edu.cn/rubygems/ gem sources -l
bundle config mirror.https://rubygems.org https://mirrors.tuna.tsinghua.edu.cn/rubygems/
gem sources --remove https://rubygems.org/ gem sources --add https://mirrors.aliyun.com/rubygems/ gem sources -l
bundle config mirror.https://rubygems.org https://mirrors.aliyun.com/rubygems/
gem sources --remove https://rubygems.org/ gem sources --add https://mirrors.ustc.edu.cn/rubygems/ gem sources -l
bundle config mirror.https://rubygems.org https://mirrors.ustc.edu.cn/rubygems/
gem sources --remove https://rubygems.org/ gem sources --add https://repo.huaweicloud.com/repository/rubygems/ gem sources -l
bundle config mirror.https://rubygems.org https://repo.huaweicloud.com/repository/rubygems/