diff --git a/cmd/node/server/server.go b/cmd/node/server/server.go
index 5da4c4059..95e84d563 100644
--- a/cmd/node/server/server.go
+++ b/cmd/node/server/server.go
@@ -87,7 +87,9 @@ func Run(c *option.Conf) error {
 			logrus.Errorf(err.Error())
 			return err
 		}
-		getInfoForMaster(s)
+		if !s.HostNode.Role.HasRule("compute"){
+			getInfoForMaster(s)
+		}
 		ms.Cluster.UpdateNode(s.HostNode)
 		if err := ms.Start(); err != nil {
 			logrus.Errorf(err.Error())
diff --git a/pkg/api/region/node.go b/pkg/api/region/node.go
index b6e4b648e..cf4268b6e 100644
--- a/pkg/api/region/node.go
+++ b/pkg/api/region/node.go
@@ -395,7 +395,7 @@ func (r *RNodeClient) handleErrAndCode(err error, code int) *util.APIHandleError
 		return util.CreateAPIHandleError(code, err)
 	}
 	if code != 200 {
-		return util.CreateAPIHandleError(code, fmt.Errorf("error with code %d", code))
+		return util.CreateAPIHandleError(code, fmt.Errorf("error with code %d,details %s", code,err.Error()))
 	}
 	return nil
 }
diff --git a/pkg/node/masterserver/node/nodecluster.go b/pkg/node/masterserver/node/nodecluster.go
index 9a631b6c9..23d2a4e90 100644
--- a/pkg/node/masterserver/node/nodecluster.go
+++ b/pkg/node/masterserver/node/nodecluster.go
@@ -196,6 +196,7 @@ func (n *NodeCluster) loadAndWatchNodes() error {
 			if !node.Alived {
 				node.Alived = true
 				node.UpTime = time.Now()
+				n.UpdateNode(node)
 			}
 		}
 	}
@@ -226,15 +227,16 @@ func (n *NodeCluster) loadAndWatchNodes() error {
 						if node := n.getNodeFromKey(string(ev.Kv.Key)); node != nil {
 							node.Alived = true
 							node.UpTime = time.Now()
-							RegToHost(node, "add")
+							//getInfoForMaster(node)
 							n.UpdateNode(node)
+							RegToHost(node, "add")
 						}
 					case ev.Type == client.EventTypeDelete:
 						if node := n.getNodeFromKey(string(ev.Kv.Key)); node != nil {
 							node.Alived = false
 							node.DownTime = time.Now()
-							RegToHost(node, "del")
 							n.UpdateNode(node)
+							RegToHost(node, "del")
 						}
 					}
 				}