Merge remote-tracking branch 'origin/ver3' into ver3

pkg/discoveryregistry/zookeeper/register.go

@@ -9,8 +9,8 @@ import (
 )
 
 func (s *ZkClient) Register(rpcRegisterName, host string, port int, opts ...grpc.DialOption) error {
-	s.lock.Lock()
+	// s.lock.Lock()
-	defer s.lock.Unlock()
+	// defer s.lock.Unlock()
 	if err := s.ensureName(rpcRegisterName); err != nil {
 		return err
 	}