***All steps below in cli*** Step 1 Remove official resource from source list gem sources –remove https://rubygems.org/ Step 2 Add Taobao source gem sources -a http://ruby.taobao.org/ Step 3 Type in: gem sources -l then ‘enter’ It works, if you see this below ⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️⬇️ CURRENT SOURCES https://ruby.taobao.org ⬆️⬆️⬆️⬆️⬆️⬆️⬆️⬆️⬆️⬆️⬆️⬆️⬆️⬆️