diff --git a/NFox/Cad/Runtime/DBTransaction.cs b/NFox/Cad/Runtime/DBTransaction.cs
index ba5d407970fcd6c635fa5c7900c958f1e94d1c4a..98e1f4ee9cebcf496f23a014ed3a6171e3676055 100644
--- a/NFox/Cad/Runtime/DBTransaction.cs
+++ b/NFox/Cad/Runtime/DBTransaction.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
@@ -19,7 +19,7 @@ namespace NFox.Cad
     public class DBTransaction : IDisposable
     {
         private bool _commit = false;
-
+        private bool _disposed =false;
         //属性
 
 #region Properties
@@ -162,15 +162,32 @@ namespace NFox.Cad
             Database.CloseInput(true);
             Initialize(false);
         }
-
         /// <summary>
         /// 销毁
         /// </summary>
-        void IDisposable.Dispose()
+        public void Dispose()
         {
-            Commit();
-            Transaction.Dispose();
+            Dispose(true); 
+            GC.SuppressFinalize(this);
         }
+        protected virtual void Dispose(bool disposing)
+        {          
+            if(!this._disposed)
+            { 
+                if(disposing)
+                {
+                     Commit();
+                     Transaction.Dispose();
+                }  
+                disposed = true;
+            }
+        }
+
+        //void IDisposable.Dispose()
+        //{
+        //Commit();
+        //Transaction.Dispose();
+        //}
 
         /// <summary>
         /// 提交事务