UPDATE

src/components/Modal/BatchDownloadModal.vue

@@ -61,6 +61,7 @@ import { recordEvent } from '@/utils/ga'
 
 import { name as appName } from '../../../package.json'
 import ModalWrapper from './ModalWrapper.vue'
+import { REDO } from '@/store/mutation-type'
 
 const props = defineProps<{ visible?: boolean; avatarList?: AvatarOption[] }>()
 
@@ -80,7 +81,7 @@ async function handleDownload(avatarIndex) {
   if (avatarEle instanceof HTMLElement) {
     const html2canvas = (await import('html2canvas')).default
     const canvas = await html2canvas(avatarEle, {
-      backgroundColor: null,
+      backgroundColor: REDO,
     })
     const dataURL = canvas.toDataURL()