update

src/components/upload/UploadSlot.vue

@@ -16,6 +16,7 @@ const upload = (e) => {
 const createInput = () => {
     const input = document.createElement('input');
     input.type = 'file';
+    input.multiple = true;
     input.onchange = upload;
     input.style.display = 'none';
     document.body.append(input);