diff --git a/src/MaaWpfGui/Models/Achievement.cs b/src/MaaWpfGui/Models/Achievement.cs
index e0eb8f7e94..aa63782a4f 100644
--- a/src/MaaWpfGui/Models/Achievement.cs
+++ b/src/MaaWpfGui/Models/Achievement.cs
@@ -87,7 +87,7 @@ namespace MaaWpfGui.Models
             {
                 if (IsRare)
                 {
-                    return "AchievementBrush.Rare";
+                    return "AchievementBrush.Rare.LinearGradientBrush";
                 }
 
                 if (!IsUnlocked)
@@ -105,41 +105,16 @@ namespace MaaWpfGui.Models
         }
 
         [JsonIgnore]
-        public SolidColorBrush MedalBrush
+        public Brush MedalBrush
         {
             get
             {
-                if (Application.Current.Resources[MedalBrushKey] is SolidColorBrush brush)
+                if (Application.Current.Resources[MedalBrushKey] is Brush brush)
                 {
                     return brush;
                 }
 
-                return new(Colors.Transparent);
-            }
-        }
-
-        [JsonIgnore]
-        public LinearGradientBrush RareBrush
-        {
-            get
-            {
-                var linearGradientBrush = new LinearGradientBrush { StartPoint = new(0, 0), EndPoint = new(1, 1) };
-                var categories = Enum.GetValues<AchievementCategory>().ToArray();
-                int count = categories.Length;
-
-                for (int i = 0; i < count; i++)
-                {
-                    var category = categories[i];
-                    if (Application.Current.Resources[$"AchievementBrush.{category}"] is not SolidColorBrush brush)
-                    {
-                        continue;
-                    }
-
-                    double offset = (double)i / (count - 1);
-                    linearGradientBrush.GradientStops.Add(new(brush.Color, offset));
-                }
-
-                return linearGradientBrush;
+                return new SolidColorBrush(Colors.Transparent);
             }
         }
     }
diff --git a/src/MaaWpfGui/Res/Themes/Dark.xaml b/src/MaaWpfGui/Res/Themes/Dark.xaml
index f41c2b85f6..e0d584dff6 100644
--- a/src/MaaWpfGui/Res/Themes/Dark.xaml
+++ b/src/MaaWpfGui/Res/Themes/Dark.xaml
@@ -59,6 +59,15 @@
     <SolidColorBrush x:Key="AchievementBrush.BugRelated" Color="#EF9A9A" />
     <SolidColorBrush x:Key="AchievementBrush.EasterEgg" Color="#FFF176" />
     <SolidColorBrush x:Key="AchievementBrush.Rare" Color="#F48FB1" />
+    <LinearGradientBrush x:Key="AchievementBrush.Rare.LinearGradientBrush" StartPoint="0,0" EndPoint="1,1">
+        <GradientStop Offset="0.0" Color="#90CAF9" />
+        <GradientStop Offset="0.17" Color="#A5D6A7" />
+        <GradientStop Offset="0.33" Color="#FFCC80" />
+        <GradientStop Offset="0.5" Color="#CE93D8" />
+        <GradientStop Offset="0.67" Color="#EF9A9A" />
+        <GradientStop Offset="0.83" Color="#FFF176" />
+        <GradientStop Offset="1" Color="#F48FB1" />
+    </LinearGradientBrush>
 
     <!--  MdXaml Brush  -->
     <SolidColorBrush x:Key="MdXamlBackground" Color="#2d2d30" />
diff --git a/src/MaaWpfGui/Res/Themes/Light.xaml b/src/MaaWpfGui/Res/Themes/Light.xaml
index 0ada2febe5..7938dc20a6 100644
--- a/src/MaaWpfGui/Res/Themes/Light.xaml
+++ b/src/MaaWpfGui/Res/Themes/Light.xaml
@@ -38,6 +38,15 @@
     <SolidColorBrush x:Key="AchievementBrush.BugRelated" Color="#EF5350" />
     <SolidColorBrush x:Key="AchievementBrush.EasterEgg" Color="#FFEB3B" />
     <SolidColorBrush x:Key="AchievementBrush.Rare" Color="#EC407A" />
+    <LinearGradientBrush x:Key="AchievementBrush.Rare.LinearGradientBrush" StartPoint="0,0" EndPoint="1,1">
+        <GradientStop Offset="0.0" Color="#42A5F5" />
+        <GradientStop Offset="0.17" Color="#66BB6A" />
+        <GradientStop Offset="0.33" Color="#FFA726" />
+        <GradientStop Offset="0.5" Color="#AB47BC" />
+        <GradientStop Offset="0.67" Color="#EF5350" />
+        <GradientStop Offset="0.83" Color="#FFEB3B" />
+        <GradientStop Offset="1" Color="#EC407A" />
+    </LinearGradientBrush>
 
     <!--  MdXaml Brush  -->
     <SolidColorBrush x:Key="MdXamlBackground" Color="#ffffff" />
diff --git a/src/MaaWpfGui/Views/UI/AchievementListWindow.xaml b/src/MaaWpfGui/Views/UI/AchievementListWindow.xaml
index 0bc7f2fe21..89f951e35d 100644
--- a/src/MaaWpfGui/Views/UI/AchievementListWindow.xaml
+++ b/src/MaaWpfGui/Views/UI/AchievementListWindow.xaml
@@ -21,17 +21,9 @@
                         <Path
                             Width="40"
                             Height="40"
-                            Visibility="{c:Binding !IsRare}"
                             Data="{DynamicResource HangoverGeometry}"
                             Fill="{Binding MedalBrush}"
-                            Stretch="Uniform" />
-                        <Path
-                            Width="40"
-                            Height="40"
-                            Visibility="{c:Binding IsRare}"
-                            Data="{DynamicResource HangoverGeometry}"
-                            Fill="{Binding RareBrush}"
-                            Stretch="Uniform" />
+                            Stretch="Uniform"/>
                         <VirtualizingStackPanel Margin="8" HorizontalAlignment="Left">
                             <TextBlock
                                 FontWeight="Bold"