Merge branch 'errcode' of github.com:OpenIMSDK/Open-IM-Server into errcode

cmd/api/main.go

@@ -29,6 +29,7 @@ func main() {
 	}
 }
 
+// run
 func run(port int) error {
 	if port == 0 {
 		port = config.Config.Api.GinPort[0]