For well-known reasons, domestic access to foreign sites will be slow or not accessible at all. So the demand of the gem source replace domestic source: https://ruby.taobao.org/

Let’s take a look at the gem sources currently in use:

gem source -l

    \*\*\* CURRENT SOURCES \*\*\*
    https://rubygems.org/

The source for RubyGems.org is currently in use. To remove the current gem source:

gem sources –remove https://rubygems.org/

    https://rubygems.org/ removed from sources

Add a gem source to Taobao:

gem sources -a https://ruby.taobao.org/

    https://ruby.taobao.org/ added to sources

Let’s look at the source we are currently using:

gem source -l

    \*\*\* CURRENT SOURCES \*\*\*
    https://ruby.taobao.org/

Taobao gem source replacement success!