diff --git a/Views/GridPanelDemo.Designer.cs b/Views/GridPanelDemo.Designer.cs
index 1cb141f..4fd0ec6 100644
--- a/Views/GridPanelDemo.Designer.cs
+++ b/Views/GridPanelDemo.Designer.cs
@@ -157,7 +157,7 @@
             this.input_span.PlaceholderText = "分号隔开为行,空格隔开为列(可设置固定值或百分号)";
             this.input_span.Size = new System.Drawing.Size(165, 45);
             this.input_span.TabIndex = 5;
-            this.input_span.Text = "50% 50%;50% 50%";
+            this.input_span.Text = "50% 50%;20% 80%;150 200";
             this.input_span.WaveSize = 0;
             // 
             // label3
diff --git a/Views/GridPanelDemo.cs b/Views/GridPanelDemo.cs
index c506b61..a52166e 100644
--- a/Views/GridPanelDemo.cs
+++ b/Views/GridPanelDemo.cs
@@ -24,7 +24,7 @@ namespace AntdUIDemo.Views
         private void InitData()
         {
             input_gap.Value = 0;
-            input_span.Text = "50% 50%;50% 50%";
+            input_span.Text = "50% 50%;20% 80%;150 200";
         }
 
         private void BindEventHandler()
diff --git a/Views/ProgressDemo.Designer.cs b/Views/ProgressDemo.Designer.cs
index 475c0cd..0ff359e 100644
--- a/Views/ProgressDemo.Designer.cs
+++ b/Views/ProgressDemo.Designer.cs
@@ -188,8 +188,8 @@
             this.progress12.Steps = 50;
             this.progress12.StepSize = 5;
             this.progress12.TabIndex = 60;
-            this.progress12.Text = "progress12";
             this.progress12.TextUnit = "";
+            this.progress12.UseSystemText = true;
             this.progress12.Value = 0.3F;
             // 
             // label7
@@ -200,7 +200,6 @@
             this.label7.Size = new System.Drawing.Size(694, 24);
             this.label7.TabIndex = 59;
             this.label7.Text = "步骤进度条";
-            this.label7.TooltipConfig = null;
             // 
             // progress13
             // 
@@ -221,7 +220,6 @@
             this.label6.Size = new System.Drawing.Size(694, 24);
             this.label6.TabIndex = 56;
             this.label6.Text = "动画铺满";
-            this.label6.TooltipConfig = null;
             // 
             // flowPanel1
             // 
@@ -281,7 +279,6 @@
             this.label5.Size = new System.Drawing.Size(694, 24);
             this.label5.TabIndex = 54;
             this.label5.Text = "mini模式";
-            this.label5.TooltipConfig = null;
             // 
             // flowPanel4
             // 
@@ -341,7 +338,6 @@
             this.label3.Size = new System.Drawing.Size(694, 24);
             this.label3.TabIndex = 52;
             this.label3.Text = "进度圈";
-            this.label3.TooltipConfig = null;
             // 
             // progress5
             // 
@@ -399,6 +395,7 @@
             this.progress1.Size = new System.Drawing.Size(694, 20);
             this.progress1.TabIndex = 47;
             this.progress1.TextUnit = "";
+            this.progress1.UseSystemText = true;
             this.progress1.Value = 0.3F;
             // 
             // label4
@@ -409,7 +406,6 @@
             this.label4.Size = new System.Drawing.Size(694, 24);
             this.label4.TabIndex = 46;
             this.label4.Text = "进度条";
-            this.label4.TooltipConfig = null;
             // 
             // divider1
             // 
@@ -426,7 +422,6 @@
             this.label2.Size = new System.Drawing.Size(694, 24);
             this.label2.TabIndex = 44;
             this.label2.Text = "展示操作的当前进度。";
-            this.label2.TooltipConfig = null;
             // 
             // label1
             // 
@@ -436,7 +431,6 @@
             this.label1.Size = new System.Drawing.Size(694, 40);
             this.label1.TabIndex = 43;
             this.label1.Text = "Progress 进度条";
-            this.label1.TooltipConfig = null;
             // 
             // ProgressDemo
             // 
diff --git a/Views/StackPanelDemo.cs b/Views/StackPanelDemo.cs
index bd9f558..39a5561 100644
--- a/Views/StackPanelDemo.cs
+++ b/Views/StackPanelDemo.cs
@@ -41,6 +41,7 @@ namespace AntdUIDemo.Views
                     Font = new Font("Microsoft YaHei UI", 9F, FontStyle.Regular, GraphicsUnit.Point, ((byte)(134))),
                 };
                 stackPanel.Controls.Add(control);
+                control.BringToFront();
             }
         }
 
@@ -109,7 +110,7 @@ namespace AntdUIDemo.Views
             if (stackPanel.Controls.Count > 0)
             {
                 // 删除最后一个控件
-                stackPanel.Controls.RemoveAt(stackPanel.Controls.Count - 1);
+                stackPanel.Controls.RemoveAt(0);
             }
         }
 
@@ -125,6 +126,7 @@ namespace AntdUIDemo.Views
                 Font = new Font("Microsoft YaHei UI", 9F, FontStyle.Regular, GraphicsUnit.Point, ((byte)(134))),
             };
             stackPanel.Controls.Add(control);
+            control.BringToFront();
         }
 
         private void ButtonCZ_Click(object sender, EventArgs e)
diff --git a/assets/screenshots/GridPanel.png b/assets/screenshots/GridPanel.png
index f9d6670..0358417 100644
Binary files a/assets/screenshots/GridPanel.png and b/assets/screenshots/GridPanel.png differ
diff --git a/assets/screenshots/Progress.png b/assets/screenshots/Progress.png
index 5296881..633da09 100644
Binary files a/assets/screenshots/Progress.png and b/assets/screenshots/Progress.png differ