请尝试运行以下命令
./launcher enter app
cd /var/www/discourse/plugins
su discourse
for d in *; do echo "$d: $(git -C $d config --get remote.origin.url)"; done
每个插件都应该在列表中显示一个远程 URL。根据错误信息，我怀疑其中一个没有 
预期输出类似如下：
chat: https://github.com/discourse/discourse.git
discourse-automation: https://github.com/discourse/discourse-automation
discourse-chat-integration: https://github.com/discourse/discourse-chat-integration.git
...