diff --git a/MainWindow.Designer.cs b/MainWindow.Designer.cs
index 0baeeab..f63f11b 100644
--- a/MainWindow.Designer.cs
+++ b/MainWindow.Designer.cs
@@ -29,7 +29,7 @@
         private void InitializeComponent()
         {
             System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(MainWindow));
-            AntdUI.Tabs.StyleCard styleCard2 = new AntdUI.Tabs.StyleCard();
+            AntdUI.Tabs.StyleCard styleCard1 = new AntdUI.Tabs.StyleCard();
             this.titlebar = new AntdUI.PageHeader();
             this.input_search = new AntdUI.Input();
             this.dropdown_translate = new AntdUI.Dropdown();
@@ -63,7 +63,7 @@
             this.titlebar.Size = new System.Drawing.Size(1024, 40);
             this.titlebar.SubText = "Demo";
             this.titlebar.TabIndex = 0;
-            this.titlebar.Text = "AntdUI";
+            this.titlebar.Text = "AntdUI 1.8.4";
             // 
             // input_search
             // 
@@ -153,8 +153,8 @@
             this.tabs.Name = "tabs";
             this.tabs.Pages.Add(this.tabPage);
             this.tabs.Size = new System.Drawing.Size(954, 560);
-            styleCard2.Closable = true;
-            this.tabs.Style = styleCard2;
+            styleCard1.Closable = true;
+            this.tabs.Style = styleCard1;
             this.tabs.TabIndex = 9;
             this.tabs.Type = AntdUI.TabType.Card;
             // 
diff --git a/MainWindow.cs b/MainWindow.cs
index d129081..3609c0f 100644
--- a/MainWindow.cs
+++ b/MainWindow.cs
@@ -90,6 +90,7 @@ namespace AntdUIDemo
                     {
                         if (item.Text == closeall)
                         {
+                            tabs.SelectedIndex = 0;
                             // 只清除从第二个页面开始的控件
                             for (int i = 1; i < tabs.Pages.Count; i++)
                             {
@@ -101,7 +102,6 @@ namespace AntdUIDemo
                             {
                                 tabs.Pages.RemoveRange(1, tabs.Pages.Count - 1);  // 从索引1开始，移除后面的所有页面
                             }
-                            tabs.SelectedIndex = 0;
                         }
 
                     }, menulist);