结构调整，便于后续扩展

AIStudio.Wpf.BaseDiagram/Models/TitleBindableBase.cs

@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Util.DiagramDesigner;
+
+namespace AIStudio.Wpf.BaseDiagram.Models
+{
+    public class TitleBindableBase : BindableBase
+    {
+        private string _title;
+        public string Title
+        {
+            get
+            {
+                return _title;
+            }
+            set
+            {
+                SetProperty(ref _title, value);
+            }
+        }
+    }
+}