[lepeng@centos ~]# go run main.go [GIN-debug] [WARNING] Creating an Engine instance with the Logger and Recovery middleware already attached.
[GIN-debug] [WARNING] Running in"debug" mode. Switch to "release" mode in production. - using env: export GIN_MODE=release - using code: gin.SetMode(gin.ReleaseMode)
[GIN-debug] GET / --> main.main.func1 (3 handlers) [GIN-debug] Listening and serving HTTP on :9090