fix: 顶栏颜色跟随小程序主题并保留跟随系统

src/pages/settings/index.config.ts

@@ -1,4 +1,5 @@
 export default definePageConfig({
   navigationStyle: 'custom',
+  enablePageMeta: true,
   navigationBarTitleText: '设置'
 })

src/pages/settings/index.tsx

@@ -5,6 +5,7 @@ import './index.scss'
 import { useThemeContext } from '../../context/ThemeContext'
 import { useSafeArea } from '../../hooks/useSafeArea'
 import { useStatusBar } from '../../hooks/useStatusBar'
+import ThemedPageMeta from '../../components/ThemedPageMeta'
 import { getUserInfo, setUserInfo, clearUserInfo, getAddressList, getDefaultAddress, type AddressItem } from '../../utils/store'
 
 const THEME_OPTIONS: { label: string; value: 'light' | 'dark' | 'auto' }[] = [
@@ -66,6 +67,7 @@ export default function SettingsPage() {
 
   return (
     <View className={`theme-${resolvedTheme}`} style={{ minHeight: '100vh' }}>
+      <ThemedPageMeta />
       <View className='settings-page'>
         <View className='settings-area'>