问题1： GitHub Copilot could not connect to server. Extension activation failed: "connect ECONNREFUSED 127.0.0.1:443"
解决形式：
dns中增加8.8.8.8，而后重启vscode，再不行重启电脑。问题2： GitHub Copilot could not connect to server. Extension activation failed: "Failed to get copilot token"
解决形式：
在vscode中登记，重启vscode，会提醒登录，依据提醒登录即可。