diff --git a/frontend/src/components/file-uploader/file-uploader.js b/frontend/src/components/file-uploader/file-uploader.js
index 02755c663a..1bdbb25ae5 100644
--- a/frontend/src/components/file-uploader/file-uploader.js
+++ b/frontend/src/components/file-uploader/file-uploader.js
@@ -316,7 +316,7 @@ class FileUploader extends React.Component {
 
   onFileUploadSuccess = (resumableFile, message) => {
     let formData = resumableFile.formData;
-    let currentTime = new Date().getTime()/1000;
+    let currentTime = new Date().getTime() / 1000;
     message = formData.replace ? message : JSON.parse(message)[0];
     if (formData.relative_path) { // upload folder
       let relative_path = formData.relative_path;
diff --git a/frontend/src/components/shared-link-file-uploader/file-uploader.js b/frontend/src/components/shared-link-file-uploader/file-uploader.js
index 2e32bf9430..98417306bb 100644
--- a/frontend/src/components/shared-link-file-uploader/file-uploader.js
+++ b/frontend/src/components/shared-link-file-uploader/file-uploader.js
@@ -313,7 +313,7 @@ class FileUploader extends React.Component {
 
   onFileUploadSuccess = (resumableFile, message) => {
     let formData = resumableFile.formData;
-    let currentTime = new Date().getTime()/1000;
+    let currentTime = new Date().getTime() / 1000;
     message = formData.replace ? message : JSON.parse(message)[0];
     if (formData.relative_path) { // upload folder
       // 'upload folder' is not supported
diff --git a/frontend/src/components/toast/alert.js b/frontend/src/components/toast/alert.js
index c9ea3b7783..6ee7952be4 100644
--- a/frontend/src/components/toast/alert.js
+++ b/frontend/src/components/toast/alert.js
@@ -21,6 +21,8 @@ class Alert extends React.PureComponent {
         return 'sf3-font sf3-font-exclamation-circle';
       case 'danger':
         return 'sf3-font sf3-font-exclamation-circle';
+      case 'notify-in-progress':
+        return 'loading-icon';
       default:
         return 'sf3-font sf3-font-check-circle';
     }
diff --git a/frontend/src/components/toast/toast.js b/frontend/src/components/toast/toast.js
index f450666d82..0cfc681c4e 100644
--- a/frontend/src/components/toast/toast.js
+++ b/frontend/src/components/toast/toast.js
@@ -25,7 +25,7 @@ export default class Toast extends React.PureComponent {
     /**
      * The type of the alert.
      */
-    intent: PropTypes.oneOf(['none', 'success', 'warning', 'danger']).isRequired,
+    intent: PropTypes.oneOf(['none', 'success', 'warning', 'danger', 'notify-in-progress']).isRequired,
 
     /**
      * The title of the alert.
diff --git a/frontend/src/components/toast/toaster.css b/frontend/src/components/toast/toaster.css
index 776e108325..a13478aa6f 100644
--- a/frontend/src/components/toast/toaster.css
+++ b/frontend/src/components/toast/toaster.css
@@ -78,6 +78,15 @@
   color: rgb(236, 76, 71);
 }
 
+.seahub-toast-alert-container.notify-in-progress {
+  border-left: 3px solid rgb(16, 112, 202);
+  color: rgb(16, 112, 202);
+}
+
+.seahub-toast-alert-container.notify-in-progress .loading-icon {
+  margin: 0;
+}
+
 .seahub-toast-alert-container .toast-alert-icon {
   margin-right: 10px;
   width: 14px;
diff --git a/frontend/src/components/toast/toaster.js b/frontend/src/components/toast/toaster.js
index 49708e4ac9..9fffdb5a48 100644
--- a/frontend/src/components/toast/toaster.js
+++ b/frontend/src/components/toast/toaster.js
@@ -52,6 +52,10 @@ export default class Toaster {
     return this.notifyHandler(title, { ...settings, intent: 'none' });
   };
 
+  notifyInProgress = (title, settings = {}) => {
+    return this.notifyHandler(title, { ...settings, intent: 'notify-in-progress' });
+  };
+
   success = (title, settings = {}) => {
     return this.notifyHandler(title, { ...settings, intent: 'success' });
   };
diff --git a/frontend/src/pages/lib-content-view/lib-content-view.js b/frontend/src/pages/lib-content-view/lib-content-view.js
index c65c5e303c..b530de2d31 100644
--- a/frontend/src/pages/lib-content-view/lib-content-view.js
+++ b/frontend/src/pages/lib-content-view/lib-content-view.js
@@ -237,7 +237,7 @@ class LibContentView extends React.Component {
 
   onRepoUpdateEvent = () => {
     let currentTime = new Date();
-    if ((parseFloat(currentTime - this.lastModifyTime)/1000) <= 5) {
+    if ((parseFloat(currentTime - this.lastModifyTime) / 1000) <= 5) {
       return;
     }
     let repoID = this.props.repoID;
@@ -1303,7 +1303,6 @@ class LibContentView extends React.Component {
       return dirent;
     });
     if (dirent) {
-      // dirent.isSelected = true;
       this.setState({
         direntList: direntList,
         isDirentSelected: true,
@@ -1793,7 +1792,7 @@ class LibContentView extends React.Component {
   createDirent(name, type, size) {
     // use current dirent parent's permission as it's permission
     const { userPerm: permission } = this.state;
-    const mtime = new Date().getTime()/1000;
+    const mtime = new Date().getTime() / 1000;
     const obj = { name, type, mtime, size, permission };
     const dirent = new Dirent(obj);
     return dirent;
diff --git a/frontend/src/pages/markdown-editor/index.js b/frontend/src/pages/markdown-editor/index.js
index d8ea9d13ea..7761cc2078 100644
--- a/frontend/src/pages/markdown-editor/index.js
+++ b/frontend/src/pages/markdown-editor/index.js
@@ -106,7 +106,7 @@ class MarkdownEditor extends React.Component {
 
   receiveUpdateData (data) {
     let currentTime = new Date();
-    if ((parseFloat(currentTime - this.lastModifyTime)/1000) <= 5) {
+    if ((parseFloat(currentTime - this.lastModifyTime) / 1000) <= 5) {
       return;
     }
     editorApi.fileMetaData().then((res) => {
diff --git a/frontend/src/pages/upload-link/file-uploader.js b/frontend/src/pages/upload-link/file-uploader.js
index 26cd02b7d3..a44928e08c 100644
--- a/frontend/src/pages/upload-link/file-uploader.js
+++ b/frontend/src/pages/upload-link/file-uploader.js
@@ -309,7 +309,7 @@ class FileUploader extends React.Component {
 
   onFileUploadSuccess = (resumableFile, message) => {
     let formData = resumableFile.formData;
-    let currentTime = new Date().getTime()/1000;
+    let currentTime = new Date().getTime() / 1000;
     message = formData.replace ? message : JSON.parse(message)[0];
     if (formData.relative_path) { // upload folder
       let relative_path = formData.relative_path;