diff --git a/HighWayIot.Winform/MainForm/BaseForm.cs b/HighWayIot.Winform/MainForm/BaseForm.cs
index ad9ce5d..2c9664b 100644
--- a/HighWayIot.Winform/MainForm/BaseForm.cs
+++ b/HighWayIot.Winform/MainForm/BaseForm.cs
@@ -243,10 +243,28 @@ namespace HighWayIot.Winform.MainForm
             if (UserControlTabs.SelectedIndex > -1)
             {
                 string selectedStr = UserControlTabs.SelectedTab.Text;
+
+                //获取当前标签页的索引
+                int selectedIndex = UserControlTabs.SelectedIndex;
+
                 //使用TabControl控件的TabPages属性的Remove方法移除指定的选项卡
                 UserControlTabs.TabPages.Remove(UserControlTabs.SelectedTab);
-                //删除列表里的实例
+
+               //删除列表里的实例
                 UserControls.RemoveAll(x => x.Tag.ToString() == selectedStr);
+
+                //删除时如果标签没删干净，删完选择最后一个标签
+                if(UserControlTabs.TabCount != 0)
+                {
+                    if(selectedIndex == 0)
+                    {
+                        UserControlTabs.SelectedTab = UserControlTabs.TabPages[0];
+                    }
+                    else
+                    {
+                        UserControlTabs.SelectedTab = UserControlTabs.TabPages[selectedIndex - 1];
+                    }
+                }
             }
         }