diff --git a/插件库/Lskj.Control/TabControlEx.cs b/插件库/Lskj.Control/TabControlEx.cs
index ebe3d13..080935c 100644
--- a/插件库/Lskj.Control/TabControlEx.cs
+++ b/插件库/Lskj.Control/TabControlEx.cs
@@ -970,8 +970,15 @@ namespace Lskj.Control
             try
             {
                 SplitContainerControl splitContainerControl = sender as SplitContainerControl;
-                GridDetailModel model = splitContainerControl.Panel1.Controls[0].Tag as GridDetailModel;
-                IniHelper.Write(string.Format("base_TabPageMain_{0}", model.Id), splitContainerControl.SplitterPosition + "");
+                if (splitContainerControl.Parent is XtraTabPage tabPage)
+                {
+                    GridDetailModel model = ResolveModel(tabPage);
+                    if (model != null)
+                    {
+                        //GridDetailModel model = splitContainerControl.Panel1.Controls[0].Tag as GridDetailModel;
+                        IniHelper.Write(string.Format("base_TabPageMain_{0}", model.Id), splitContainerControl.SplitterPosition + "");
+                    }
+                }
             }
             catch (Exception ex)
             {