diff --git a/Ink Canvas/MainWindow_cs/MW_AutoTheme.cs b/Ink Canvas/MainWindow_cs/MW_AutoTheme.cs
index adcf5cad..cd2f0c51 100644
--- a/Ink Canvas/MainWindow_cs/MW_AutoTheme.cs	
+++ b/Ink Canvas/MainWindow_cs/MW_AutoTheme.cs	
@@ -56,6 +56,8 @@ namespace Ink_Canvas
 
                 // 刷新快速面板图标
                 RefreshQuickPanelIcons();
+                
+                AutoSwitchFloatingBarIconForTheme("Light");
 
                 // 强制刷新UI
                 window.InvalidateVisual();
@@ -85,6 +87,9 @@ namespace Ink_Canvas
                 // 刷新快速面板图标
                 RefreshQuickPanelIcons();
 
+                // 自动切换浮动栏图标为深色呼吸版图标
+                AutoSwitchFloatingBarIconForTheme("Dark");
+
                 // 强制刷新UI
                 window.InvalidateVisual();
             }
@@ -235,5 +240,29 @@ namespace Ink_Canvas
 
             return light;
         }
+
+        /// <summary>
+        /// 根据主题自动切换浮动栏图标
+        /// </summary>
+        private void AutoSwitchFloatingBarIconForTheme(string theme)
+        {
+            try
+            {
+                if (theme == "Light")
+                {
+                    Settings.Appearance.FloatingBarImg = 0;
+                }
+                else if (theme == "Dark")
+                {
+                    Settings.Appearance.FloatingBarImg = 3;
+                }
+
+                // 更新浮动栏图标
+                UpdateFloatingBarIcon();
+            }
+            catch (Exception)
+            {
+            }
+        }
     }
 }
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