安装cocoapods，前面的步骤都完成，pod setup等了很长时间，都安装不了，你们等了多久？
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You execute the following in the command line:
$ gem sources -l
See what the result is, if it is:
*** CURRENT SOURCES *** https://rubygems.org/
Replace the following source, rubygems has been blocked
$ gem sources --remove https://rubygems.org/ $ gem sources -a https://gems.ruby-china.org
You have to climb over the wall to access it. If you can’t access it, you need to get over the wall first!
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You execute the following in the command line:
See what the result is, if it is:
Replace the following source, rubygems has been blocked
You have to climb over the wall to access it. If you can’t access it, you need to get over the wall first!