diff --git a/src/CAD/IFox.CAD.Shared/Runtime/DBTrans.cs b/src/CAD/IFox.CAD.Shared/Runtime/DBTrans.cs
index b7617b5585bc3cd44f826c924ea6f5bcf5d2ea78..3b096decab4fd759909d4a5671c4f2318329b7f3 100644
--- a/src/CAD/IFox.CAD.Shared/Runtime/DBTrans.cs
+++ b/src/CAD/IFox.CAD.Shared/Runtime/DBTrans.cs
@@ -241,15 +241,26 @@ public DBTrans(string fileName,
                 if (doc is null)
                 {
                     Database = new Database(false, true);
-                    if (Path.GetExtension(_fileName).ToLower().Contains("dxf"))
+                    try
+                    {
+                        if (Path.GetExtension(_fileName).ToLower().Contains("dxf"))
+                        {
+                            Database.DxfIn(_fileName, null);
+                        }
+                        else
+                        {
+                            Database.ReadDwgFile(_fileName, fileOpenMode, true, password);
+                        }
+                    }
+                    catch
                     {
-                        Database.DxfIn(_fileName, null);
+                        IsDisposed = true; // 读取出错造成未能 push, 固这里设为 true
+                        throw new ArgumentException($"文件 [{fileName}] 的格式版本可能高于当前CAD版本，读取错误！");
                     }
-                    else
+                    finally
                     {
-                        Database.ReadDwgFile(_fileName, fileOpenMode, true, password);
+                        Database.CloseInput(true);
                     }
-                    Database.CloseInput(true);
                 }
                 else
                 {