diff --git a/kernel/model/attribute_view.go b/kernel/model/attribute_view.go
index 3e5b14ae9..cbe33c7ba 100644
--- a/kernel/model/attribute_view.go
+++ b/kernel/model/attribute_view.go
@@ -173,7 +173,9 @@ func getAttrViewAddingBlockDefaultValues(attrView *av.AttributeView, view, group
 
 			if nil != newValue {
 				if !av.MSelectExistOption(newValue.MSelect, groupView.GetGroupValue()) {
-					newValue.MSelect = append(newValue.MSelect, &av.ValueSelect{Content: opt.Name, Color: opt.Color})
+					if 1 > len(newValue.MSelect) || av.KeyTypeMSelect == groupKey.Type {
+						newValue.MSelect = append(newValue.MSelect, &av.ValueSelect{Content: opt.Name, Color: opt.Color})
+					}
 				}
 			} else {
 				newValue = av.GetAttributeViewDefaultValue(ast.NewNodeID(), groupKey.ID, addingItemID, groupKey.Type)