curl -IL http://127.0.0.1:8080 curl: (7) Failed to connect to 127.0.0.1 port 8080: Connection refused 无解了, 回覆內容: curl -IL http://127.0.0.1:8080 curl: (7) Failed to connect to 127.0.0.1 port 8080: Connection refused 无解了, 預設是80埠吧