diff --git a/frontend/src/components/file-uploader/file-uploader.js b/frontend/src/components/file-uploader/file-uploader.js
index 5109b6326e..34f0bca42a 100644
--- a/frontend/src/components/file-uploader/file-uploader.js
+++ b/frontend/src/components/file-uploader/file-uploader.js
@@ -43,7 +43,7 @@ class FileUploader extends React.Component {
       isUploadProgressDialogShow: false,
       isUploadRemindDialogShow: false,
       currentResumableFile: null,
-      uploadBitrate: '0',
+      uploadBitrate: 0,
       allFilesUploaded: false,
     };
 
@@ -74,6 +74,7 @@ class FileUploader extends React.Component {
       generateUniqueIdentifier: this.generateUniqueIdentifier,
       forceChunkSize: true,
       maxChunkRetries: 3,
+      minFileSize: 0,
     });
 
     this.resumable.assignBrowse(this.uploadInput.current, true);
@@ -410,7 +411,7 @@ class FileUploader extends React.Component {
   setHeaders = (resumableFile, resumable) => {
     let offset = resumable.offset;
     let chunkSize = resumable.getOpt('chunkSize');
-    let fileSize = resumableFile.size;
+    let fileSize = resumableFile.size === 0 ? 1 : resumableFile.size;
     let startByte = offset !== 0 ? offset * chunkSize : 0;
     let endByte = Math.min(fileSize, (offset + 1) * chunkSize) - 1;
 
@@ -594,7 +595,6 @@ class FileUploader extends React.Component {
     var firedRetry = false;
     resumableFile.resumableObj.on('chunkingComplete', () => {
       if(!firedRetry) {
-        console.log(path);
         seafileAPI.getFileUploadedBytes(repoID, path, fileName).then(res => {
           let uploadedBytes = res.data.uploadedBytes;
           let blockSize = parseInt(resumableUploadFileBlockSize) * 1024 * 1024 || 1024 * 1024;
diff --git a/frontend/src/components/file-uploader/upload-progress-dialog.js b/frontend/src/components/file-uploader/upload-progress-dialog.js
index 40511b4a35..2cbfecbf68 100644
--- a/frontend/src/components/file-uploader/upload-progress-dialog.js
+++ b/frontend/src/components/file-uploader/upload-progress-dialog.js
@@ -5,7 +5,7 @@ import UploadListItem from './upload-list-item';
 import { Utils } from '../../utils/utils';
 
 const propTypes = {
-  uploadBitrate: PropTypes.string.isRequired,
+  uploadBitrate: PropTypes.number.isRequired,
   totalProgress: PropTypes.number.isRequired,
   retryFileList: PropTypes.array.isRequired,
   uploadFileList: PropTypes.array.isRequired,