原文链接 One of the major issue is "weak cryptographic standards removed" after 2018 February. Here a note: https://github.com/blog/2507-weak-cryptographic-standards-removed To solve this, first you need to update openssl, then ruby, then cocoapod. $ which openssl / usr / bin / openssl $ openssl version OpenSSL 0.9 . 8zh 14 Jan 2016 $ / bin / bash - c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)" $ brew update $ brew install openssl $ brew upgrade openssl `` If you need to have this software first in your PATH run : echo 'export PATH="/usr/local/opt/openssl/bin:$PATH"' >> ~/. bash_profile $ echo 'export PATH="/usr/local/opt/openssl/bin:$PATH"' >> ~/. bash_profile $ source ~/. bash_profile $ which openssl / usr / local / opt / openssl / bin / openssl $ openssl version OpenSSL 1.0 . 2n 7 Dec 2017 $ brew install rbenv ruby - build $ echo 'expo...