diff --git a/api/handler/application_config_group.go b/api/handler/application_config_group.go
index 899530a17..4682ccfb2 100644
--- a/api/handler/application_config_group.go
+++ b/api/handler/application_config_group.go
@@ -136,6 +136,10 @@ func (a *ApplicationAction) UpdateConfigGroup(appID, configGroupName string, req
 			ServiceAlias:    s.ServiceAlias,
 		}
 		if err := db.GetManager().AppConfigGroupServiceDaoTransactions(tx).AddModel(&serviceConfigGroup); err != nil {
+			if err == bcode.ErrConfigGroupServiceExist {
+				logrus.Debugf("config group \"%s\" under this service \"%s\" already exists.", serviceConfigGroup.ConfigGroupName, serviceConfigGroup.ServiceID)
+				continue
+			}
 			tx.Rollback()
 			return nil, err
 		}
@@ -154,6 +158,10 @@ func (a *ApplicationAction) UpdateConfigGroup(appID, configGroupName string, req
 			ItemValue:       it.ItemValue,
 		}
 		if err := db.GetManager().AppConfigGroupItemDaoTransactions(tx).AddModel(configItem); err != nil {
+			if err == bcode.ErrConfigItemExist {
+				logrus.Debugf("config item \"%s\" under this config group \"%s\" already exists.", configItem.ItemKey, configItem.ConfigGroupName)
+				continue
+			}
 			tx.Rollback()
 			return nil, err
 		}
diff --git a/api/handler/service.go b/api/handler/service.go
index 0e29ecaa9..9b03f2afc 100644
--- a/api/handler/service.go
+++ b/api/handler/service.go
@@ -1931,25 +1931,9 @@ func (s *ServiceAction) GetMultiServicePods(serviceIDs []string) (*K8sPodInfos,
 			podInfo.PodIP = v.PodIp
 			podInfo.PodStatus = v.PodStatus
 			podInfo.ServiceID = serviceID
-			containerInfos := make(map[string]map[string]string, 10)
-			for _, container := range v.Containers {
-				containerInfos[container.ContainerName] = map[string]string{
-					"memory_limit": fmt.Sprintf("%d", container.MemoryLimit),
-					"memory_usage": "0",
-				}
-			}
-			podInfo.Container = containerInfos
 			podNames = append(podNames, v.PodName)
 			podsInfoList = append(podsInfoList, &podInfo)
 		}
-		containerMemInfo, _ := s.GetPodContainerMemory(podNames)
-		for _, c := range podsInfoList {
-			for k := range c.Container {
-				if info, exist := containerMemInfo[c.PodName][k]; exist {
-					c.Container[k]["memory_usage"] = info
-				}
-			}
-		}
 		return podsInfoList
 	}
 	var re K8sPodInfos
diff --git a/api/model/model.go b/api/model/model.go
index a46e5086b..c90120c22 100644
--- a/api/model/model.go
+++ b/api/model/model.go
@@ -1250,7 +1250,7 @@ type AddTenantServiceEnvVar struct {
 	ContainerPort int    `validate:"container_port|numeric_between:1,65535" json:"container_port"`
 	Name          string `validate:"name" json:"name"`
 	AttrName      string `validate:"env_name|required" json:"env_name"`
-	AttrValue     string `validate:"env_value|required" json:"env_value"`
+	AttrValue     string `validate:"env_value" json:"env_value"`
 	IsChange      bool   `validate:"is_change|bool" json:"is_change"`
 	Scope         string `validate:"scope|in:outer,inner,both,build" json:"scope"`
 }