fix addr listen bug

transport/grpc/server.go

@@ -130,7 +130,6 @@ func (s *Server) Endpoint() (string, error) {
 	if err != nil {
 		return "", err
 	}
-	s.address = addr
 	return fmt.Sprintf("grpc://%s", addr), nil
 }
 

transport/http/server.go

@@ -122,7 +122,6 @@ func (s *Server) Endpoint() (string, error) {
 	if err != nil {
 		return "", err
 	}
-	s.address = addr
 	return fmt.Sprintf("http://%s", addr), nil
 }