diff --git a/frontend/src/components/review-list-view/review-comments.js b/frontend/src/components/review-list-view/review-comments.js
index 5bf98088e4..34c7b9474a 100644
--- a/frontend/src/components/review-list-view/review-comments.js
+++ b/frontend/src/components/review-list-view/review-comments.js
@@ -6,6 +6,7 @@ import { seafileAPI } from '../../utils/seafile-api';
 import { reviewID, gettext } from '../../utils/constants';
 import Loading from '../../components/loading.js';
 import reviewComment from '../../models/review-comment.js';
+import { username } from '../../utils/constants.js';
 
 import '../../css/review-comments.css';
 
@@ -27,7 +28,6 @@ class ReviewComments extends React.Component {
       showResolvedComment: true,
       comment: '',
     };
-    this.accountInfo = {};
   }
 
   listComments = (scroll) => {
@@ -68,6 +68,7 @@ class ReviewComments extends React.Component {
 
   resolveComment = (event) => {
     seafileAPI.updateReviewComment(reviewID, event.target.id, 'true').then((res) => {
+      this.props.getCommentsNumber();
       this.listComments();
     });
   }
@@ -172,7 +173,7 @@ class ReviewComments extends React.Component {
                 this.state.commentsList.map((item, index) => {
                   return (
                     <CommentItem item={item} showResolvedComment={this.state.showResolvedComment}
-                      resolveComment={this.resolveComment} accountInfo={this.accountInfo} key={index}
+                      resolveComment={this.resolveComment} key={index}
                       scrollToQuote={this.scrollToQuote} deleteComment={this.deleteComment}/>
                   );
                 })
@@ -202,7 +203,6 @@ const commentItemPropTypes = {
   item: PropTypes.object.isRequired,
   deleteComment: PropTypes.func.isRequired,
   resolveComment: PropTypes.func.isRequired,
-  accountInfo: PropTypes.object.isRequired,
   showResolvedComment: PropTypes.bool.isRequired,
   scrollToQuote: PropTypes.func.isRequired
 };
@@ -277,7 +277,7 @@ class CommentItem extends React.Component {
                 <i className="fas fa-ellipsis-v"></i>
               </DropdownToggle>
               <DropdownMenu>
-                { (item.userEmail === this.props.accountInfo.email) &&
+                { (item.userEmail === username) &&
                   <DropdownItem onClick={this.props.deleteComment}
                     className="delete-comment" id={item.id}>{gettext('Delete')}</DropdownItem>}
                 <DropdownItem onClick={this.props.resolveComment}
diff --git a/frontend/src/css/draft-review.css b/frontend/src/css/draft-review.css
index 25e7110a33..c6dc938906 100644
--- a/frontend/src/css/draft-review.css
+++ b/frontend/src/css/draft-review.css
@@ -90,10 +90,16 @@
 .review-side-panel-body {
   padding: 1rem 2rem;
 }
+.review-side-panel-body .dirent-table-container {
+  padding-left: 0;
+}
 .review-side-panel-item {
   border-bottom: 1px solid #e6e6dd;
   padding: 1em 0;
 }
+.review-side-panel-item:last-child {
+  border: 0;
+}
 .reviewer-info, .author-info {
   display: flex;
   align-items: center;
diff --git a/frontend/src/draft-review.js b/frontend/src/draft-review.js
index 9fe1502fa6..4c72eb5dd4 100644
--- a/frontend/src/draft-review.js
+++ b/frontend/src/draft-review.js
@@ -1,6 +1,7 @@
 import React from 'react';
 import ReactDOM from 'react-dom';
 import PropTypes from 'prop-types';
+import { Button } from 'reactstrap';
 /* eslint-disable */
 import Prism from 'prismjs';
 /* eslint-enable */
@@ -28,6 +29,7 @@ import './assets/css/fa-regular.css';
 import './assets/css/fontawesome.css';
 import './css/layout.css';
 import './css/toolbar.css';
+import './css/dirent-detail.css';
 import './css/draft-review.css';
 
 const URL = require('url-parse');
@@ -42,6 +44,7 @@ class DraftReview extends React.Component {
       reviewStatus: opStatus,
       isLoading: true,
       commentsNumber: null,
+      unresolvedComments: 0,
       inResizing: false,
       commentWidth: 30,
       isShowDiff: true,
@@ -54,6 +57,7 @@ class DraftReview extends React.Component {
       changedNodes: [],
       isShowCommentDialog: false,
       activeItem: null,
+      originRepoName: '',
     };
     this.quote = '';
     this.newIndex = null;
@@ -245,8 +249,16 @@ class DraftReview extends React.Component {
   getCommentsNumber = () => {
     seafileAPI.listReviewComments(reviewID).then((res) => {
       let number = res.data.total_count;
+      let comments = res.data.comments;
+      let unresolvedComments = 0;
+      for (let i = 0; i < res.data.total_count; i++) {
+        if (comments[i].resolved === false) {
+          unresolvedComments++;
+        }
+      }
       this.setState({
         commentsNumber: number,
+        unresolvedComments: unresolvedComments,
       });
     });
   }
@@ -379,8 +391,6 @@ class DraftReview extends React.Component {
     const focusText = document.getNode(focus.key);
     const anchorInline = document.getClosestInline(anchor.key);
     const focusInline = document.getClosestInline(focus.key);
-    const focusBlock = document.getClosestBlock(focus.key);
-    const anchorBlock = document.getClosestBlock(anchor.key);
     // COMPAT: If the selection is at the end of a non-void inline node, and
     // there is a node after it, put it in the node after instead. This
     // standardizes the behavior, since it's indistinguishable to the user.
@@ -571,6 +581,15 @@ class DraftReview extends React.Component {
   componentWillMount() {
     this.getCommentsNumber();
     this.listReviewers();
+    this.getOriginRepoInfo();
+  }
+
+  getOriginRepoInfo = () => {
+    seafileAPI.getRepoInfo(draftOriginRepoID).then((res) => {
+      this.setState({
+        originRepoName: res.data.repo_name
+      });
+    });
   }
 
   initialDiffViewerContent = () => {
@@ -867,11 +886,18 @@ class DraftReview extends React.Component {
                         reviewers={this.state.reviewers}
                         toggleAddReviewerDialog={this.toggleAddReviewerDialog}/>                        
                       <SidePanelAuthor/>
+                      <UnresolvedComments number={this.state.unresolvedComments}/>
                       { this.state.isShowDiff &&
                       <SidePanelChanges
                         changedNumber={this.state.changedNodes.length}
                         scrollToChangedNode={this.scrollToChangedNode}/>
                       }
+                      <SidePanelOrigin originRepoName={this.state.originRepoName}/>
+                      <div className="review-side-panel-item">
+                        <a href={draftLink}>
+                          <Button color="secondary" size="sm">{gettext('Edit Draft')}</Button>
+                        </a>
+                      </div>
                     </div>
                   </TabPane>
                   <TabPane tabId="comments" className="comments">
@@ -970,6 +996,61 @@ class SidePanelAuthor extends React.Component {
   }
 }
 
+class SidePanelOrigin extends React.Component {
+
+  constructor(props) {
+    super(props);
+  }
+
+  render() {
+    return (
+      <div className="dirent-table-container">
+        <table className="table-thead-hidden">
+          <thead>
+            <tr><th width="25%"></th><th width="75%"></th></tr>
+          </thead>
+          <tbody>
+            <tr><th>{gettext('Library')}</th><td>{this.props.originRepoName}</td></tr>
+            <tr><th>{gettext('Position')}</th><td>{draftOriginFilePath}</td></tr>
+          </tbody>
+        </table>
+      </div>
+    );
+  }
+}
+
+const SidePanelOriginPropTypes = {
+  originRepoName: PropTypes.string.isRequired
+};
+
+SidePanelOrigin.propTypes = SidePanelOriginPropTypes;
+
+
+class UnresolvedComments extends React.Component {
+
+  constructor(props) {
+    super(props);
+  }
+
+  render() {
+    return (
+      <div className="review-side-panel-item">
+        <div className="review-side-panel-header">{gettext('Comments')}</div>
+        <div className="changes-info">
+          <span>{gettext('Unresolved comments:')}{' '}{this.props.number}</span>
+        </div>
+      </div>
+    );
+  }
+}
+
+const UnresolvedCommentsPropTypes = {
+  number: PropTypes.number.isRequired
+};
+
+UnresolvedComments.propTypes = UnresolvedCommentsPropTypes;
+
+
 class SidePanelChanges extends React.Component {
 
   constructor(props) {