diff --git a/frontend/src/css/draft-review.css b/frontend/src/css/draft-review.css
index 606c09e7de..25e7110a33 100644
--- a/frontend/src/css/draft-review.css
+++ b/frontend/src/css/draft-review.css
@@ -129,6 +129,10 @@
   position: relative;
 }
 
+.markdown-viewer-render-content tr:nth-child(2n) {
+  background-color: #fff;
+}
+
 .review-comment-btn {
   position: absolute;
   top: -1000px;
diff --git a/frontend/src/css/initial-style.css b/frontend/src/css/initial-style.css
deleted file mode 100644
index 6d47bf5b06..0000000000
--- a/frontend/src/css/initial-style.css
+++ /dev/null
@@ -1,155 +0,0 @@
-
-/**** article ****/
-.article {
-  padding:40px 60px 40px 60px;
-  font-size:14px;
-  line-height:1.6;
-  color:#333;
-}
-.article h2,
-.article h3,
-.article h4,
-.article h5,
-.article h6 {
-  margin: 1.2em 0 0.4em;
-  color:#333;
-  font-weight:bold;
-}
-.article h2 {
-  border-bottom: 1px solid #ccc;
-  line-height: 1.5;
-}
-.article h1 + p, .article h2 + p, .article h3 + p, .article h4 + p, .article h5 + p, .article h6 + p,
-.article h1 + pre, .article h2 + pre, .article h3 + pre, .article h4 + pre, .article h5 + pre, .article h6 + pre,
-.article h1 + ul, .article h2 + ul, .article h3 + ul, .article h4 + ul, .article h5 + ul, .article h6 + ul,
-.article h1 + ol, .article h2 + ol, .article h3 + ol, .article h4 + ol, .article h5 + ol, .article h6 + ol {
-  margin-top: 0;
-}
-.article p {
-  margin:0.8em 0;
-}
-.article ul {
-  list-style-type:disc;
-}
-.article ul,
-.article ol {
-  padding-left:2em;
-  margin:0.5em 0;
-}
-.article li p:first-child {
-  margin-top: 0px;
-  margin-bottom: 0px;
-}
-.article li.task-list-item p:nth-child(2) {
-  margin-top: 0px;
-  margin-bottom: 0px;
-}
-.article li.task-list-item {
-  position: relative;
-  list-style: none;
-}
-.article li.task-list-item input[type="checkbox"] {
-  position: absolute;
-  left: -1.8em;
-  top: 0.4em;
-  display: inline-block;
-}
-
-.article input[type="checkbox"] {
-  width: auto;
-}
-
-.article pre {
-  font-size:13px;
-  padding:16px;
-  background:#f5f7fa;
-  border-radius:3px;
-  -moz-border-radius:3px;
-  -webkit-border-radius:3px;
-  margin:1em 0;
-  white-space: pre-wrap;
-  line-height: 1.45;
-}
-
-.article .code p {
-  white-space:pre-wrap;
-  padding:0;
-  margin:0;
-  border:none;
-}
-
-.article .html-element.active {
-  border: 1px solid #eb8205;
-}
-.article span.html-element {
-  display:inline-block;
-  margin-left:1px;
-  margin-right:1px;
-  background: #f4f4f4;
-  border: 1px solid #bbb;
-  border-radius: 2px;
-}
-.article div.html-element {
-  background: #f4f4f4;
-  border: 1px solid #bbb;
-  border-radius: 2px;
-  margin:0.8em 0;
-}
-
-.article a {
-  font-weight:normal;
-}
-
-.article blockquote {
-  color: #777;
-  padding: 0 15px;
-  border-left: 4px solid #DDD;
-  margin: 1.2em 0;
-  font-style: italic;
-}
-
-.article table {
-  width: 100%;
-  border-collapse: collapse;
-  border-left: 1px solid #ddd;
-  border-top: 1px solid #ddd;
-  margin: 10px 0;
-}
-.article tr:nth-child(2n) {
-  background-color: #F8F8F8;
-}
-.article th,
-.article td {
-  padding:6px 13px;
-}
-.article table p {
-  margin: 0;
-}
-.article table tr, .article table th {
-  display: flex;
-}
-
-.article table td, .article table th {
-  flex: 1;
-  padding: 10px 10px;
-  border-width: 0 1px 1px 0;
-  border-style: solid;
-  border-color: #ccc;
-  word-break: break-all;
-  line-height: 1.5;
-}
-
-.article hr.active {
-  border-top: 1px solid #eb8205;
-}
-
-.content-container {
-  background-color: #fafaf9;
-  border-radius: 10px;
-}
-
-.markdown-viewer-render-content {
-  margin: 20px 40px;
-  background-color: #fff;
-  border: 1px solid #e6e6dd;
-}
diff --git a/frontend/src/draft-review.js b/frontend/src/draft-review.js
index ab7d0d1413..e3e9e231dd 100644
--- a/frontend/src/draft-review.js
+++ b/frontend/src/draft-review.js
@@ -27,7 +27,6 @@ import './assets/css/fa-solid.css';
 import './assets/css/fa-regular.css';
 import './assets/css/fontawesome.css';
 import './css/layout.css';
-import './css/initial-style.css';
 import './css/toolbar.css';
 import './css/draft-review.css';
 
@@ -841,7 +840,7 @@ class DraftReview extends React.Component {
           </div>
         </div>
         <div id="main" className="main" ref="main">
-          <div className="cur-view-container content-container"
+          <div className="cur-view-container"
             onMouseMove={onResizeMove} onMouseUp={this.onResizeMouseUp} ref="comment">
             <div style={{width:(100-this.state.commentWidth)+'%'}}
               className='cur-view-content' ref="viewContent">
diff --git a/frontend/src/pages/file-history/main-panel.js b/frontend/src/pages/file-history/main-panel.js
index 32c43ff470..6f0b89afd3 100644
--- a/frontend/src/pages/file-history/main-panel.js
+++ b/frontend/src/pages/file-history/main-panel.js
@@ -3,7 +3,6 @@ import PropTypes from 'prop-types';
 import Prism from 'prismjs';
 import Loading from '../../components/loading';
 import DiffViewer from '@seafile/seafile-editor/dist/viewer/diff-viewer';
-import '../../css/initial-style.css';
 
 require('@seafile/seafile-editor/dist/editor/code-hight-package');