diff --git a/Views/DropDownDemo.cs b/Views/DropDownDemo.cs
index 2cdc8a1..7a02f5d 100644
--- a/Views/DropDownDemo.cs
+++ b/Views/DropDownDemo.cs
@@ -44,7 +44,7 @@ namespace AntdUIDemo.Views
             dropdown_icon.Items.AddRange(new AntdUI.SelectItem[] {
                 new AntdUI.SelectItem(Properties.Resources.关闭,"first menu item"),
                 new AntdUI.SelectItem("second menu item"){
-                    IconSvg = "<svg viewBox=\"64 64 896 896\" focusable=\"false\" data-icon=\"search\" width=\"1em\" height=\"1em\" fill=\"currentColor\" aria-hidden=\"true\"><path d=\"M909.6 854.5L649.9 594.8C690.2 542.7 712 479 712 412c0-80.2-31.3-155.4-87.9-212.1-56.6-56.7-132-87.9-212.1-87.9s-155.5 31.3-212.1 87.9C143.2 256.5 112 331.8 112 412c0 80.1 31.3 155.5 87.9 212.1C256.5 680.8 331.8 712 412 712c67 0 130.6-21.8 182.7-62l259.7 259.6a8.2 8.2 0 0011.6 0l43.6-43.5a8.2 8.2 0 000-11.6zM570.4 570.4C528 612.7 471.8 636 412 636s-116-23.3-158.4-65.6C211.3 528 188 471.8 188 412s23.3-116.1 65.6-158.4C296 211.3 352.2 188 412 188s116.1 23.2 158.4 65.6S636 352.2 636 412s-23.3 116.1-65.6 158.4z\"></path></svg>",
+                    IconSvg = "<svg viewBox=\"64 64 896 896\"><path d=\"M909.6 854.5L649.9 594.8C690.2 542.7 712 479 712 412c0-80.2-31.3-155.4-87.9-212.1-56.6-56.7-132-87.9-212.1-87.9s-155.5 31.3-212.1 87.9C143.2 256.5 112 331.8 112 412c0 80.1 31.3 155.5 87.9 212.1C256.5 680.8 331.8 712 412 712c67 0 130.6-21.8 182.7-62l259.7 259.6a8.2 8.2 0 0011.6 0l43.6-43.5a8.2 8.2 0 000-11.6zM570.4 570.4C528 612.7 471.8 636 412 636s-116-23.3-158.4-65.6C211.3 528 188 471.8 188 412s23.3-116.1 65.6-158.4C296 211.3 352.2 188 412 188s116.1 23.2 158.4 65.6S636 352.2 636 412s-23.3 116.1-65.6 158.4z\"></path></svg>",
                 },
                 new AntdUI.SelectItem("third menu item"){
                     IconSvg = "<svg viewBox=\"64 64 896 896\"><path d=\"M716.3 313.8c19-18.9 19-49.7 0-68.6l-69.9-69.9.1.1c-18.5-18.5-50.3-50.3-95.3-95.2-21.2-20.7-55.5-20.5-76.5.5L80.9 474.2a53.84 53.84 0 000 76.4L474.6 944a54.14 54.14 0 0076.5 0l165.1-165c19-18.9 19-49.7 0-68.6a48.7 48.7 0 00-68.7 0l-125 125.2c-5.2 5.2-13.3 5.2-18.5 0L189.5 521.4c-5.2-5.2-5.2-13.3 0-18.5l314.4-314.2c.4-.4.9-.7 1.3-1.1 5.2-4.1 12.4-3.7 17.2 1.1l125.2 125.1c19 19 49.8 19 68.7 0zM408.6 514.4a106.3 106.2 0 10212.6 0 106.3 106.2 0 10-212.6 0zm536.2-38.6L821.9 353.5c-19-18.9-49.8-18.9-68.7.1a48.4 48.4 0 000 68.6l83 82.9c5.2 5.2 5.2 13.3 0 18.5l-81.8 81.7a48.4 48.4 0 000 68.6 48.7 48.7 0 0068.7 0l121.8-121.7a53.93 53.93 0 00-.1-76.4z\"></path></svg>",
diff --git a/Views/FloatButtonDemo.cs b/Views/FloatButtonDemo.cs
index 1d6fe87..ce9224c 100644
--- a/Views/FloatButtonDemo.cs
+++ b/Views/FloatButtonDemo.cs
@@ -95,7 +95,7 @@ namespace AntdUIDemo.Views
                    new FloatButton.ConfigBtn("按钮1","",true)
                 {
                     Tooltip = "SVG图片按钮",
-                    IconSvg = "<svg t=\"1724131255903\" class=\"icon\" viewBox=\"0 0 1024 1024\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\" p-id=\"1768\" width=\"200\" height=\"200\"><path d=\"M511.878001 1023.989c-62.999385 0-124.098788-11.699886-181.698225-34.999658-55.699456-22.49978-105.798967-54.499468-148.798547-95.599067-43.099579-40.9996-76.899249-88.899132-100.599018-142.198611-24.59976-55.29946-36.999639-114.098886-36.999639-174.698294 0-76.79925 20.699798-152.498511 59.899415-219.197859 37.799631-64.099374 92.299099-119.098837 157.498462-158.598451 14.699856-8.999912 33.899669-4.299958 42.899581 10.499897 8.999912 14.699856 4.299958 33.899669-10.499897 42.899581-56.399449 34.199666-103.498989 81.599203-136.19867 137.098661-33.599672 56.999443-51.1995 121.798811-51.1995 187.39817 0 102.498999 41.99959 199.098056 118.298845 271.697347 76.699251 73.099286 178.798254 113.298894 287.497192 113.298893s210.797941-40.299606 287.497193-113.298893c76.299255-72.799289 118.298845-169.198348 118.298844-271.797346 0-130.298728-68.699329-250.797551-183.798205-322.296852-14.599857-9.099911-19.099813-28.299724-9.999902-42.99958 9.099911-14.599857 28.299724-19.099813 42.99958-9.999903 64.099374 39.799611 117.498853 94.599076 154.59849 158.398453 38.399625 66.099354 58.699427 140.998623 58.699427 217.09788 0 60.599408-12.499878 119.398834-36.999639 174.698294-23.699769 53.299479-57.499438 101.199012-100.599017 142.198612-42.99958 40.899601-93.099091 73.099286-148.798547 95.599066-57.799436 23.099774-118.998838 34.79966-181.998223 34.79966zM511.878001 506.394055c-17.199832 0-31.199695-13.899864-31.199695-31.199696v-443.995664c0-17.199832 13.899864-31.199695 31.199695-31.199695 17.199832 0 31.199695 13.899864 31.199696 31.199695v443.895665c0.099999 17.199832-13.999863 31.299694-31.199696 31.299695z\" p-id=\"1769\"></path></svg>",
+                    IconSvg = "<svg viewBox=\"0 0 1024 1024\"><path d=\"M511.878001 1023.989c-62.999385 0-124.098788-11.699886-181.698225-34.999658-55.699456-22.49978-105.798967-54.499468-148.798547-95.599067-43.099579-40.9996-76.899249-88.899132-100.599018-142.198611-24.59976-55.29946-36.999639-114.098886-36.999639-174.698294 0-76.79925 20.699798-152.498511 59.899415-219.197859 37.799631-64.099374 92.299099-119.098837 157.498462-158.598451 14.699856-8.999912 33.899669-4.299958 42.899581 10.499897 8.999912 14.699856 4.299958 33.899669-10.499897 42.899581-56.399449 34.199666-103.498989 81.599203-136.19867 137.098661-33.599672 56.999443-51.1995 121.798811-51.1995 187.39817 0 102.498999 41.99959 199.098056 118.298845 271.697347 76.699251 73.099286 178.798254 113.298894 287.497192 113.298893s210.797941-40.299606 287.497193-113.298893c76.299255-72.799289 118.298845-169.198348 118.298844-271.797346 0-130.298728-68.699329-250.797551-183.798205-322.296852-14.599857-9.099911-19.099813-28.299724-9.999902-42.99958 9.099911-14.599857 28.299724-19.099813 42.99958-9.999903 64.099374 39.799611 117.498853 94.599076 154.59849 158.398453 38.399625 66.099354 58.699427 140.998623 58.699427 217.09788 0 60.599408-12.499878 119.398834-36.999639 174.698294-23.699769 53.299479-57.499438 101.199012-100.599017 142.198612-42.99958 40.899601-93.099091 73.099286-148.798547 95.599066-57.799436 23.099774-118.998838 34.79966-181.998223 34.79966zM511.878001 506.394055c-17.199832 0-31.199695-13.899864-31.199695-31.199696v-443.995664c0-17.199832 13.899864-31.199695 31.199695-31.199695 17.199832 0 31.199695 13.899864 31.199696 31.199695v443.895665c0.099999 17.199832-13.999863 31.299694-31.199696 31.299695z\"></path></svg>",
                     Round = select_round.SelectedIndex == 0,
                     Type = (TTypeMini)select_type.SelectedValue,
                     Radius = (int)input_radius.Value,
diff --git a/Views/StackPanelDemo.cs b/Views/StackPanelDemo.cs
index 1c25aab..fb1c5b7 100644
--- a/Views/StackPanelDemo.cs
+++ b/Views/StackPanelDemo.cs
@@ -38,6 +38,8 @@ namespace AntdUIDemo.Views
             for (int i= 0; i < 3; i++){
                 var control = new AntdUI.Button()
                 {
+                    Margin=new Padding(0),
+                    Padding=new Padding(3),
                     Text = $"Button{i}",
                     Type = TTypeMini.Primary,
                     WaveSize = 0,
@@ -100,6 +102,8 @@ namespace AntdUIDemo.Views
         {
             var control = new AntdUI.Button()
             {
+                Margin = new Padding(0),
+                Padding = new Padding(3),
                 Text = $"Button{stackPanel.Controls.Count}",
                 Type = TTypeMini.Primary,
                 WaveSize = 0,