diff --git a/src-tauri/capabilities/default.json b/src-tauri/capabilities/default.json
index e376498..f8a746d 100644
--- a/src-tauri/capabilities/default.json
+++ b/src-tauri/capabilities/default.json
@@ -14,6 +14,7 @@
     "core:window:allow-set-ignore-cursor-events",
     "core:window:allow-set-decorations",
     "core:window:allow-set-position",
+    "core:window:allow-set-theme",
     "custom-window:default",
     "os:default",
     "process:default",
diff --git a/src/App.vue b/src/App.vue
index 47d59f8..480aa02 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -3,7 +3,7 @@ import { getCurrentWebviewWindow } from '@tauri-apps/api/webviewWindow'
 import { error } from '@tauri-apps/plugin-log'
 import { openUrl } from '@tauri-apps/plugin-opener'
 import { useEventListener } from '@vueuse/core'
-import { ConfigProvider } from 'ant-design-vue'
+import { ConfigProvider, theme } from 'ant-design-vue'
 import zhCN from 'ant-design-vue/es/locale/zh_CN'
 import { isString } from 'es-toolkit'
 import isURL from 'is-url'
@@ -29,6 +29,7 @@ const generalStore = useGeneralStore()
 const shortcutStore = useShortcutStore()
 const appWindow = getCurrentWebviewWindow()
 const { isRestored, restoreState } = useWindowState()
+const { darkAlgorithm, defaultAlgorithm } = theme
 
 onMounted(async () => {
   generateColorVars()
@@ -79,7 +80,12 @@ useEventListener('click', (event) => {
 </script>
 
 <template>
-  <ConfigProvider :locale="zhCN">
+  <ConfigProvider
+    :locale="zhCN"
+    :theme="{
+      algorithm: generalStore.appearance.isDark ? darkAlgorithm : defaultAlgorithm,
+    }"
+  >
     <RouterView v-if="isRestored" />
   </ConfigProvider>
 </template>
diff --git a/src/components/pro-list-item/index.vue b/src/components/pro-list-item/index.vue
index 02ed296..da1fde5 100644
--- a/src/components/pro-list-item/index.vue
+++ b/src/components/pro-list-item/index.vue
@@ -18,7 +18,7 @@ const hasDescription = computed(() => {
 <template>
   <Flex
     :align="vertical ? void 0 : 'center'"
-    class="b b-color-2 rounded-lg b-solid bg-white p-4"
+    class="b b-color-2 rounded-lg b-solid bg-color-3 p-4"
     gap="middle"
     justify="space-between"
     :vertical="vertical"
diff --git a/src/pages/main/index.vue b/src/pages/main/index.vue
index 33dc977..80788e3 100644
--- a/src/pages/main/index.vue
+++ b/src/pages/main/index.vue
@@ -4,7 +4,7 @@ import { PhysicalSize } from '@tauri-apps/api/dpi'
 import { Menu } from '@tauri-apps/api/menu'
 import { sep } from '@tauri-apps/api/path'
 import { getCurrentWebviewWindow } from '@tauri-apps/api/webviewWindow'
-import { exists } from '@tauri-apps/plugin-fs'
+import { exists, readDir } from '@tauri-apps/plugin-fs'
 import { useDebounceFn, useEventListener } from '@vueuse/core'
 import { nth } from 'es-toolkit/compat'
 import { onMounted, onUnmounted, ref, watch } from 'vue'
@@ -17,7 +17,9 @@ import { hideWindow, setAlwaysOnTop, setTaskbarVisibility, showWindow } from '@/
 import { useCatStore } from '@/stores/cat'
 import { useGeneralStore } from '@/stores/general.ts'
 import { useModelStore } from '@/stores/model'
+import { isImage } from '@/utils/is'
 import { join } from '@/utils/path'
+import { clearObject } from '@/utils/shared'
 
 const { startListening } = useDevice()
 const appWindow = getCurrentWebviewWindow()
@@ -47,15 +49,32 @@ useEventListener('resize', () => {
 })
 
 watch(() => modelStore.currentModel, async (model) => {
-  handleLoad()
-
   if (!model) return
 
+  handleLoad()
+
   const path = join(model.path, 'resources', 'background.png')
 
   const existed = await exists(path)
 
   backgroundImagePath.value = existed ? convertFileSrc(path) : void 0
+
+  clearObject([modelStore.supportKeys, modelStore.pressedKeys])
+
+  const resourcePath = join(model.path, 'resources')
+  const groups = ['left-keys', 'right-keys']
+
+  for await (const groupName of groups) {
+    const groupDir = join(resourcePath, groupName)
+    const files = await readDir(groupDir).catch(() => [])
+    const imageFiles = files.filter(file => isImage(file.name))
+
+    for (const file of imageFiles) {
+      const fileName = file.name.split('.')[0]
+
+      modelStore.supportKeys[fileName] = join(groupDir, file.name)
+    }
+  }
 }, { deep: true, immediate: true })
 
 watch([() => catStore.scale, modelSize], async () => {
diff --git a/src/pages/preference/components/general/components/theme-mode/index.vue b/src/pages/preference/components/general/components/theme-mode/index.vue
new file mode 100644
index 0000000..92db439
--- /dev/null
+++ b/src/pages/preference/components/general/components/theme-mode/index.vue
@@ -0,0 +1,53 @@
+<script setup lang="ts">
+import { getCurrentWebviewWindow } from '@tauri-apps/api/webviewWindow'
+import { Select, SelectOption } from 'ant-design-vue'
+import { onMounted, watch } from 'vue'
+
+import ProListItem from '@/components/pro-list-item/index.vue'
+import { useGeneralStore } from '@/stores/general'
+
+const generalStore = useGeneralStore()
+const appWindow = getCurrentWebviewWindow()
+
+onMounted(() => {
+  appWindow.onThemeChanged(async ({ payload }) => {
+    if (generalStore.appearance.theme !== 'auto') return
+
+    generalStore.appearance.isDark = payload === 'dark'
+  })
+})
+
+watch(() => generalStore.appearance.theme, async (value) => {
+  let nextTheme = value === 'auto' ? null : value
+
+  await appWindow.setTheme(nextTheme)
+
+  nextTheme = nextTheme ?? (await appWindow.theme())
+
+  generalStore.appearance.isDark = nextTheme === 'dark'
+}, { immediate: true })
+
+watch(() => generalStore.appearance.isDark, (value) => {
+  if (value) {
+    document.documentElement.classList.add('dark')
+  } else {
+    document.documentElement.classList.remove('dark')
+  }
+}, { immediate: true })
+</script>
+
+<template>
+  <ProListItem title="主题模式">
+    <Select v-model:value="generalStore.appearance.theme">
+      <SelectOption value="auto">
+        跟随系统
+      </SelectOption>
+      <SelectOption value="light">
+        亮色模式
+      </SelectOption>
+      <SelectOption value="dark">
+        暗色模式
+      </SelectOption>
+    </Select>
+  </ProListItem>
+</template>
diff --git a/src/pages/preference/components/general/index.vue b/src/pages/preference/components/general/index.vue
index b42dae4..ed15d5b 100644
--- a/src/pages/preference/components/general/index.vue
+++ b/src/pages/preference/components/general/index.vue
@@ -4,6 +4,7 @@ import { Switch } from 'ant-design-vue'
 import { watch } from 'vue'
 
 import MacosPermissions from './components/macos-permissions/index.vue'
+import ThemeMode from './components/theme-mode/index.vue'
 
 import ProList from '@/components/pro-list/index.vue'
 import ProListItem from '@/components/pro-list-item/index.vue'
@@ -40,6 +41,10 @@ watch(() => generalStore.autostart, async (value) => {
     </ProListItem>
   </ProList>
 
+  <ProList title="外观设置">
+    <ThemeMode />
+  </ProList>
+
   <ProList title="更新设置">
     <ProListItem title="自动检查更新">
       <Switch v-model:checked="generalStore.autoCheckUpdate" />
diff --git a/src/pages/preference/index.vue b/src/pages/preference/index.vue
index 809492c..f6242b9 100644
--- a/src/pages/preference/index.vue
+++ b/src/pages/preference/index.vue
@@ -53,7 +53,7 @@ const menus = [
 <template>
   <Flex class="h-screen">
     <div
-      class="h-full w-30 flex flex-col items-center gap-4 overflow-auto bg-gradient-from-primary-1 bg-gradient-to-black/1 bg-gradient-linear"
+      class="h-full w-30 flex flex-col items-center gap-4 overflow-auto dark:(bg-color-3 bg-none) bg-gradient-from-primary-1 bg-gradient-to-black/1 bg-gradient-linear"
       :class="[isMac ? 'pt-8' : 'pt-4']"
       data-tauri-drag-region
     >
@@ -73,8 +73,8 @@ const menus = [
         <div
           v-for="(item, index) in menus"
           :key="item.label"
-          class="size-20 flex flex-col cursor-pointer items-center justify-center gap-2 rounded-lg hover:bg-color-7 text-color-3 transition"
-          :class="{ 'bg-white! text-primary-5 font-bold': current === index }"
+          class="size-20 flex flex-col cursor-pointer items-center justify-center gap-2 rounded-lg hover:bg-color-7 dark:text-color-2 text-color-3 transition"
+          :class="{ 'bg-color-2! text-primary-5 dark:text-primary-7 font-bold dark:bg-color-8!': current === index }"
           @click="current = index"
         >
           <div
@@ -91,7 +91,7 @@ const menus = [
       v-for="(item, index) in menus"
       v-show="current === index"
       :key="item.label"
-      class="flex-1 overflow-auto bg-color-8 p-4"
+      class="flex-1 overflow-auto bg-color-8 dark:bg-color-2 p-4"
       data-tauri-drag-region
     >
       <component :is="item.component" />
diff --git a/src/stores/general.ts b/src/stores/general.ts
index d21c966..fcb775a 100644
--- a/src/stores/general.ts
+++ b/src/stores/general.ts
@@ -1,14 +1,26 @@
+import type { Theme } from '@tauri-apps/api/window'
+
 import { defineStore } from 'pinia'
-import { ref } from 'vue'
+import { reactive, ref } from 'vue'
+
+interface Appearance {
+  theme: 'auto' | Theme
+  isDark: boolean
+}
 
 export const useGeneralStore = defineStore('general', () => {
   const autoCheckUpdate = ref(false)
   const autostart = ref(false)
   const taskbarVisibility = ref(false)
+  const appearance = reactive<Appearance>({
+    theme: 'auto',
+    isDark: false,
+  })
 
   return {
     autoCheckUpdate,
     autostart,
     taskbarVisibility,
+    appearance,
   }
 })
diff --git a/src/stores/model.ts b/src/stores/model.ts
index b131fd5..ea38e28 100644
--- a/src/stores/model.ts
+++ b/src/stores/model.ts
@@ -1,13 +1,10 @@
 import { resolveResource } from '@tauri-apps/api/path'
-import { readDir } from '@tauri-apps/plugin-fs'
 import { filter, find } from 'es-toolkit/compat'
 import { nanoid } from 'nanoid'
 import { defineStore } from 'pinia'
-import { reactive, ref, watch } from 'vue'
+import { reactive, ref } from 'vue'
 
-import { isImage } from '@/utils/is'
 import { join } from '@/utils/path'
-import { clearObject } from '@/utils/shared'
 
 export type ModelMode = 'standard' | 'keyboard' | 'gamepad'
 
@@ -69,27 +66,6 @@ export const useModelStore = defineStore('model', () => {
     models.value = nextModels
   }
 
-  watch(currentModel, async (model) => {
-    if (!model) return
-
-    clearObject([supportKeys, pressedKeys])
-
-    const resourcePath = join(model.path, 'resources')
-    const groups = ['left-keys', 'right-keys']
-
-    for await (const groupName of groups) {
-      const groupDir = join(resourcePath, groupName)
-      const files = await readDir(groupDir).catch(() => [])
-      const imageFiles = files.filter(file => isImage(file.name))
-
-      for (const file of imageFiles) {
-        const fileName = file.name.split('.')[0]
-
-        supportKeys[fileName] = join(groupDir, file.name)
-      }
-    }
-  }, { deep: true, immediate: true })
-
   return {
     models,
     currentModel,