diff --git a/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/DiagramViewModel.cs b/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/DiagramViewModel.cs
index ffd3d5d..69493e1 100644
--- a/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/DiagramViewModel.cs
+++ b/AIStudio.Wpf.DiagramDesigner/ViewModels/BaseViewModel/DiagramViewModel.cs
@@ -6,17 +6,12 @@ using System.Linq;
 using System.Reactive.Linq;
 using System.Text.RegularExpressions;
 using System.Windows;
-using System.Windows.Controls;
-using System.Windows.Documents;
 using System.Windows.Input;
 using System.Windows.Media;
-using System.Xml.Serialization;
 using AIStudio.Wpf.DiagramDesigner.Geometrys;
 using AIStudio.Wpf.DiagramDesigner.Helpers;
 using AIStudio.Wpf.DiagramDesigner.Models;
 using Newtonsoft.Json;
-using Newtonsoft.Json.Linq;
-using static System.Net.Mime.MediaTypeNames;
 
 namespace AIStudio.Wpf.DiagramDesigner
 {
@@ -818,7 +813,7 @@ namespace AIStudio.Wpf.DiagramDesigner
             BuildMenuOptions();
         }
 
-        public void Init(DiagramItem diagramItem) 
+        public void Init(DiagramItem diagramItem)
         {
             DiagramType = diagramItem.DiagramType;
             DiagramOption.LayoutOption.ShowGrid = diagramItem.ShowGrid;
@@ -1061,7 +1056,7 @@ namespace AIStudio.Wpf.DiagramDesigner
         public virtual bool Next()
         {
             return false;
-        }                 
+        }
 
         private void ExecuteSelectAllCommand(object parameter)
         {
@@ -1199,7 +1194,8 @@ namespace AIStudio.Wpf.DiagramDesigner
             }
             else if (parameter is IEnumerable<SelectableDesignerItemViewModelBase> items)
             {
-                if (items.Select(p => AddVerify(p)).ToList().Any() != true) return;
+                //如果有条件不满足的不允许添加
+                if (items.Select(p => AddVerify(p)).ToList().Any(p => !p)) return;
 
                 foreach (var item in items)
                 {