message: Add background_color
diff: @@ -84,7 +84,7 @@ export default defineConfig(({ command, mode }) => ({
  orientation: 'portrait-primary',
  display: 'minimal-ui',
  theme_color: '#2975d1',
  - background_color: 'none',
  + background_color: '#ffffff',
  icons: [
  {
  src: '/favicon/android-chrome-192x192-shadow.png?v=1.0',
  