已修掉这个编译错误。

service/xboard/service.go

@@ -563,9 +563,6 @@ func (s *Service) setupNode() error {
 			inner.Port = config.ServerPort
 		}
 	}
-	if inner.Port == 0 {
-		return fmt.Errorf("missing listen port for protocol %s", protocol)
-	}
 	if inner.Cipher == "" {
 		inner.Cipher = config.Cipher
 	}
@@ -599,6 +596,9 @@ func (s *Service) setupNode() error {
 		s.logger.Error("Xboard setup error: could not identify protocol. Please check debug logs for raw JSON.")
 		return fmt.Errorf("unsupported protocol: empty")
 	}
+	if inner.Port == 0 {
+		return fmt.Errorf("missing listen port for protocol %s", protocol)
+	}
 
 	s.logger.Info("Xboard protocol identified: ", protocol)
 	s.protocol = protocol