has bug

src/WpfEditor/MainWindow.xaml.cs

@@ -316,7 +316,7 @@ namespace WpfEditor
                 var rect = (RectangleItem)((MenuItem)s).Tag;
 
                 // 先删除选框下的文字
-                int idx = -1;
+                List<int> idxs = new List<int>();
                 foreach (var (line, index) in Editor._lines.Select((line, index) => (line, index) ))
                 {
                     if (line.selected_rectange == null || !line.selected_rectange.HasValues)
@@ -326,18 +326,44 @@ namespace WpfEditor
                     int Id = line.selected_rectange["Id"].Value<int>();
                     if (rect.Id == Id)
                     {
-                        idx = index;
-                        break;
+                        idxs.Add(index);
                     }
                 }
-                if (idx != -1)
+                if (idxs.Count > 0)
                 {
-                    Editor._lines.RemoveAt(idx);
+                    // 后面的 ID 全部减 1
+                    foreach (var (line, index) in Editor._lines.Select((line, index) => (line, index)))
+                    {
+                        if (line.selected_rectange == null || !line.selected_rectange.HasValues)
+                        {
+                            continue;
+                        }
+                        int Id = Editor._lines[index].selected_rectange["Id"].Value<int>();
+                        if (Id > rect.Id)
+                        {
+                            Editor._lines[index].selected_rectange["Id"] = Id - 1;
+                        }
+                    }
+
+                    foreach(RectangleItem item in ViewModel.rectangles)
+                    {
+                        if (item.Id > rect.Id)
+                        {
+                            item.Id -= 1;
+                        }
+                    }
+
+                    foreach (int idx in idxs)
+                    {
+                        Editor._lines.RemoveAt(idx);
+                    }
+
+                    // 删除选框
+                    ViewModel.RemoveRectangle(rect);
+                    ViewModel.rectangleCounter -= 1;
+
                 }
                 
-                // 删除选框
-                ViewModel.RemoveRectangle(rect);
-
                 Editor.ClearSelection();
                 _textChanged = true;
                 Editor.InvalidateVisual();

src/WpfEditor/ViewModel.cs

@@ -62,11 +62,11 @@ namespace WpfEditor
 
         // 新增：矩形框集合
         [ObservableProperty]
-        private ObservableCollection<RectangleItem> rectangles = new ObservableCollection<RectangleItem>();
+        public ObservableCollection<RectangleItem> rectangles = new ObservableCollection<RectangleItem>();
 
         // 新增：矩形框计数器
         [ObservableProperty]
-        private int rectangleCounter = 0;
+        public int rectangleCounter = 0;
 
         public ViewModel()
         {