fix: fix base64 blob (vbenjs#1356)

* fix(type): fix ant-design-vue  ->

* fix: fix base64 blob

Author: littlecxm

src/utils/file/base64Conver.ts

@@ -5,7 +5,7 @@ export function dataURLtoBlob(base64Buf: string): Blob {
   const arr = base64Buf.split(',');
   const typeItem = arr[0];
   const mime = typeItem.match(/:(.*?);/)![1];
-  const bstr = atob(arr[1]);
+  const bstr = window.atob(arr[1]);
   let n = bstr.length;
   const u8arr = new Uint8Array(n);
   while (n--) {