diff --git a/dashboard/src/i18n/locales/en-US/features/settings.json b/dashboard/src/i18n/locales/en-US/features/settings.json
index 9c4c19266..ba035b5ab 100644
--- a/dashboard/src/i18n/locales/en-US/features/settings.json
+++ b/dashboard/src/i18n/locales/en-US/features/settings.json
@@ -16,6 +16,16 @@
       "custom": "Custom"
     }
   },
+  "theme": {
+    "title": "Theme",
+    "subtitle": "Customize theme primary and secondary colors. Changes apply immediately and are stored locally in your browser.",
+    "customize": {
+      "title": "Theme Colors",
+      "primary": "Primary Color",
+      "secondary": "Secondary Color",
+      "reset": "Reset to Default"
+    }
+  },
   "system": {
     "title": "System",
     "restart": {
@@ -119,4 +129,4 @@
       "ftpHint": "For large backup files, you can also upload directly to the data/backups directory via FTP/SFTP"
     }
   }
-}
\ No newline at end of file
+}
diff --git a/dashboard/src/i18n/locales/zh-CN/features/settings.json b/dashboard/src/i18n/locales/zh-CN/features/settings.json
index 6d4a194b9..27636088a 100644
--- a/dashboard/src/i18n/locales/zh-CN/features/settings.json
+++ b/dashboard/src/i18n/locales/zh-CN/features/settings.json
@@ -16,6 +16,16 @@
       "custom": "自定义"
     }
   },
+  "theme": {
+    "title": "主题",
+    "subtitle": "自定义主题主色与辅助色。修改后立即生效，并保存在浏览器本地。",
+    "customize": {
+      "title": "主题颜色",
+      "primary": "主色",
+      "secondary": "辅助色",
+      "reset": "恢复默认"
+    }
+  },
   "system": {
     "title": "系统",
     "restart": {
@@ -119,4 +129,4 @@
       "ftpHint": "对于较大的备份文件，也可以通过 FTP/SFTP 等方式直接上传到 data/backups 目录"
     }
   }
-}
\ No newline at end of file
+}
diff --git a/dashboard/src/main.ts b/dashboard/src/main.ts
index 305c7644b..451f1616b 100644
--- a/dashboard/src/main.ts
+++ b/dashboard/src/main.ts
@@ -30,6 +30,19 @@ setupI18n().then(() => {
   import('./stores/customizer').then(({ useCustomizerStore }) => {
     const customizer = useCustomizerStore(pinia);
     vuetify.theme.global.name.value = customizer.uiTheme;
+    const storedPrimary = localStorage.getItem('themePrimary');
+    const storedSecondary = localStorage.getItem('themeSecondary');
+    if (storedPrimary || storedSecondary) {
+      const themes = vuetify.theme.themes.value;
+      ['PurpleTheme', 'PurpleThemeDark'].forEach((name) => {
+        const theme = themes[name];
+        if (!theme?.colors) return;
+        if (storedPrimary) theme.colors.primary = storedPrimary;
+        if (storedSecondary) theme.colors.secondary = storedSecondary;
+        if (storedPrimary && theme.colors.darkprimary) theme.colors.darkprimary = storedPrimary;
+        if (storedSecondary && theme.colors.darksecondary) theme.colors.darksecondary = storedSecondary;
+      });
+    }
   });
 }).catch(error => {
   console.error('❌ 新i18n系统初始化失败:', error);
@@ -49,6 +62,19 @@ setupI18n().then(() => {
   import('./stores/customizer').then(({ useCustomizerStore }) => {
     const customizer = useCustomizerStore(pinia);
     vuetify.theme.global.name.value = customizer.uiTheme;
+    const storedPrimary = localStorage.getItem('themePrimary');
+    const storedSecondary = localStorage.getItem('themeSecondary');
+    if (storedPrimary || storedSecondary) {
+      const themes = vuetify.theme.themes.value;
+      ['PurpleTheme', 'PurpleThemeDark'].forEach((name) => {
+        const theme = themes[name];
+        if (!theme?.colors) return;
+        if (storedPrimary) theme.colors.primary = storedPrimary;
+        if (storedSecondary) theme.colors.secondary = storedSecondary;
+        if (storedPrimary && theme.colors.darkprimary) theme.colors.darkprimary = storedPrimary;
+        if (storedSecondary && theme.colors.darksecondary) theme.colors.darksecondary = storedSecondary;
+      });
+    }
   });
 });
 
@@ -79,4 +105,4 @@ loader.config({
   paths: {
     vs: 'https://cdn.jsdelivr.net/npm/monaco-editor@0.54.0/min/vs',
   },
-})
\ No newline at end of file
+})
diff --git a/dashboard/src/theme/LightTheme.ts b/dashboard/src/theme/LightTheme.ts
index 84240cb13..e908e43d0 100644
--- a/dashboard/src/theme/LightTheme.ts
+++ b/dashboard/src/theme/LightTheme.ts
@@ -8,8 +8,8 @@ const PurpleTheme: ThemeTypes = {
     'carousel-control-size': 10
   },
   colors: {
-    primary: '#1e88e5',
-    secondary: '#5e35b1',
+    primary: '#3c96ca',
+    secondary: '#2288b7',
     info: '#03c9d7',
     success: '#00c853',
     accent: '#FFAB91',
diff --git a/dashboard/src/views/Settings.vue b/dashboard/src/views/Settings.vue
index 1c56119ab..f7c401e4c 100644
--- a/dashboard/src/views/Settings.vue
+++ b/dashboard/src/views/Settings.vue
@@ -15,6 +15,41 @@
                 <SidebarCustomizer></SidebarCustomizer>
             </v-list-item>
 
+            <v-list-subheader>{{ tm('theme.title') }}</v-list-subheader>
+
+            <v-list-item :subtitle="tm('theme.subtitle')" :title="tm('theme.customize.title')">
+                <v-row class="mt-2" dense>
+                    <v-col cols="4" sm="2">
+                        <v-text-field
+                            v-model="primaryColor"
+                            type="color"
+                            :label="tm('theme.customize.primary')"
+                            hide-details
+                            variant="outlined"
+                            density="compact"
+                            style="max-width: 220px;"
+                        />
+                    </v-col>
+                    <v-col cols="4" sm="2   ">
+                        <v-text-field
+                            v-model="secondaryColor"
+                            type="color"
+                            :label="tm('theme.customize.secondary')"
+                            hide-details
+                            variant="outlined"
+                            density="compact"
+                            style="max-width: 220px;"
+                        />
+                    </v-col>
+                    <v-col cols="12">
+                        <v-btn size="small" variant="tonal" color="primary" @click="resetThemeColors">
+                            <v-icon class="mr-2">mdi-restore</v-icon>
+                            {{ tm('theme.customize.reset') }}
+                        </v-btn>
+                    </v-col>
+                </v-row>
+            </v-list-item>
+
             <v-list-subheader>{{ tm('system.title') }}</v-list-subheader>
 
             <v-list-item :subtitle="tm('system.backup.subtitle')" :title="tm('system.backup.title')">
@@ -42,7 +77,7 @@
 </template>
 
 <script setup>
-import { ref } from 'vue';
+import { ref, watch } from 'vue';
 import axios from 'axios';
 import WaitingForRestart from '@/components/shared/WaitingForRestart.vue';
 import ProxySelector from '@/components/shared/ProxySelector.vue';
@@ -50,8 +85,52 @@ import MigrationDialog from '@/components/shared/MigrationDialog.vue';
 import SidebarCustomizer from '@/components/shared/SidebarCustomizer.vue';
 import BackupDialog from '@/components/shared/BackupDialog.vue';
 import { useModuleI18n } from '@/i18n/composables';
+import { useTheme } from 'vuetify';
+import { PurpleTheme } from '@/theme/LightTheme';
 
 const { tm } = useModuleI18n('features/settings');
+const theme = useTheme();
+
+const getStoredColor = (key, fallback) => {
+    const stored = typeof window !== 'undefined' ? localStorage.getItem(key) : null;
+    return stored || fallback;
+};
+
+const primaryColor = ref(getStoredColor('themePrimary', PurpleTheme.colors.primary));
+const secondaryColor = ref(getStoredColor('themeSecondary', PurpleTheme.colors.secondary));
+
+const resolveThemes = () => {
+    if (theme?.themes?.value) return theme.themes.value;
+    if (theme?.global?.themes?.value) return theme.global.themes.value;
+    return null;
+};
+
+const applyThemeColors = (primary, secondary) => {
+    const themes = resolveThemes();
+    if (!themes) return;
+    ['PurpleTheme', 'PurpleThemeDark'].forEach((name) => {
+        const themeDef = themes[name];
+        if (!themeDef?.colors) return;
+        if (primary) themeDef.colors.primary = primary;
+        if (secondary) themeDef.colors.secondary = secondary;
+        if (primary && themeDef.colors.darkprimary) themeDef.colors.darkprimary = primary;
+        if (secondary && themeDef.colors.darksecondary) themeDef.colors.darksecondary = secondary;
+    });
+};
+
+applyThemeColors(primaryColor.value, secondaryColor.value);
+
+watch(primaryColor, (value) => {
+    if (!value) return;
+    localStorage.setItem('themePrimary', value);
+    applyThemeColors(value, secondaryColor.value);
+});
+
+watch(secondaryColor, (value) => {
+    if (!value) return;
+    localStorage.setItem('themeSecondary', value);
+    applyThemeColors(primaryColor.value, value);
+});
 
 const wfr = ref(null);
 const migrationDialog = ref(null);
@@ -81,4 +160,12 @@ const openBackupDialog = () => {
         backupDialog.value.open();
     }
 }
-</script>
\ No newline at end of file
+
+const resetThemeColors = () => {
+    primaryColor.value = PurpleTheme.colors.primary;
+    secondaryColor.value = PurpleTheme.colors.secondary;
+    localStorage.removeItem('themePrimary');
+    localStorage.removeItem('themeSecondary');
+    applyThemeColors(primaryColor.value, secondaryColor.value);
+};
+</script>