diff --git a/frontend/src/components/dialog/copy-move-dirent-progress-dialog.js b/frontend/src/components/dialog/copy-move-dirent-progress-dialog.js
index cbd31584aa..e447c1c0df 100644
--- a/frontend/src/components/dialog/copy-move-dirent-progress-dialog.js
+++ b/frontend/src/components/dialog/copy-move-dirent-progress-dialog.js
@@ -5,6 +5,7 @@ import { gettext } from '../../utils/constants';
 
 const propTypes = {
   type: PropTypes.oneOf(['move', 'copy']).isRequired,
+  asyncOperatedFilesLength: PropTypes.number.isRequired,
   asyncOperationProgress: PropTypes.oneOfType([PropTypes.string, PropTypes.number]).isRequired,
   toggleDialog: PropTypes.func.isRequired,
 };
@@ -13,8 +14,9 @@ class CopyMoveDirentProgressDialog extends React.Component {
 
   render() {
 
-    let { type , asyncOperationProgress } = this.props;
-    let title = type === 'move' ? gettext('Move Progress') : gettext('Copy Progress');
+    let { type , asyncOperationProgress, asyncOperatedFilesLength } = this.props;
+    let title = type === 'move' ? gettext('Move {files_length} items') : gettext('Copy {files_length} items');
+    title = title.replace('{files_length}', asyncOperatedFilesLength);
     let progressStyle = {
       width: asyncOperationProgress + '%',
       lineHeight: '40px',
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 b4281db603..faf011e403 100644
--- a/frontend/src/pages/lib-content-view/lib-content-view.js
+++ b/frontend/src/pages/lib-content-view/lib-content-view.js
@@ -79,6 +79,7 @@ class LibContentView extends React.Component {
       isCopyMoveProgressDialogShow: false,
       asyncCopyMoveTaskId: '',
       asyncOperationProgress: 0,
+      asyncOperatedFilesLength: 0,
     };
 
     this.oldonpopstate = window.onpopstate;
@@ -584,9 +585,9 @@ class LibContentView extends React.Component {
       let res = await seafileAPI.queryAsyncOperationProgress(asyncCopyMoveTaskId);
       let data = res.data;
       if (data.failed) {
-        let message = gettext('Files moved to another repository failed.')
+        let message = gettext('Failed to move files to another library.');
         if (asyncOperationType === 'copy') {
-          message = gettext('Files copyed to another repository failed.')
+          message = gettext('Failed to copy files to another library.');
         }
         toaster.danger(message);
         this.setState({
@@ -598,9 +599,9 @@ class LibContentView extends React.Component {
       
       if (data.successful) {
         this.setState({isCopyMoveProgressDialogShow: false});
-        let message = gettext('Files moved to another repository successfully.')
+        let message = gettext('Successfully moved files to another library.');
         if (asyncOperationType === 'copy') {
-          message = gettext('Files copyed to another repository successfully.')
+          message = gettext('Successfully copyed files to another library.');
         }
         toaster.success(message);
         return;
@@ -642,6 +643,7 @@ class LibContentView extends React.Component {
 
     if (repoID !== destRepo.repo_id) {
       this.setState({
+        asyncOperatedFilesLength: dirNames.length,
         asyncOperationProgress: 0,
         asyncOperationType: 'move',
         isCopyMoveProgressDialogShow: true
@@ -690,6 +692,7 @@ class LibContentView extends React.Component {
 
     if (repoID !== destRepo.repo_id) {
       this.setState({
+        asyncOperatedFilesLength: dirNames.length,
         asyncOperationProgress: 0,
         asyncOperationType: 'copy',
         isCopyMoveProgressDialogShow: true
@@ -1009,6 +1012,7 @@ class LibContentView extends React.Component {
 
     if (repoID !== destRepo.repo_id) {
       this.setState({
+        asyncOperatedFilesLength: 1,
         asyncOperationProgress: 0,
         asyncOperationType: 'move',
         isCopyMoveProgressDialogShow: true,
@@ -1062,6 +1066,7 @@ class LibContentView extends React.Component {
 
     if (repoID !== destRepo.repo_id) {
       this.setState({
+        asyncOperatedFilesLength: 1,
         asyncOperationProgress: 0,
         asyncOperationType: 'copy',
         isCopyMoveProgressDialogShow: true
@@ -1864,6 +1869,7 @@ class LibContentView extends React.Component {
         {this.state.isCopyMoveProgressDialogShow && (
           <CopyMoveDirentProgressDialog
             type={this.state.asyncOperationType}
+            asyncOperatedFilesLength={this.state.asyncOperatedFilesLength}
             asyncOperationProgress={this.state.asyncOperationProgress}
             toggleDialog={this.onMoveProgressDialogToggle}
           />