curl: (7) Failed to connect to raw.github.com port 443: Connection refused解決方法

出現問題 在安裝zsh時git sh -c "$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)" 報錯：github curl: (7) Failed to connect to raw.github.com port 443: Connection refused 錯誤緣

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