diff --git a/package-lock.json b/package-lock.json
index a51ef3172..816bd4bcc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5551,8 +5551,8 @@
     },
     "editor.md": {
       "version": "1.5.0",
-      "resolved": "https://registry.npmjs.org/editor.md/-/editor.md-1.5.0.tgz",
-      "integrity": "sha1-b+Y2qIo5uFYT9T7ubst7c0irI78="
+      "resolved": "https://registry.npmmirror.com/editor.md/-/editor.md-1.5.0.tgz",
+      "integrity": "sha512-oQBKZdXTkGogGNXV5jomogXZ2v8FNPBDbTC0NOVkicypPGr+NLKeEBfAe/gujCivkDG4Tn5yAGHCr0tsp9o44Q=="
     },
     "ee-first": {
       "version": "1.1.1",
@@ -11090,9 +11090,9 @@
       }
     },
     "marked": {
-      "version": "1.2.9",
-      "resolved": "http://173.15.15.82:8081/repository/npm-all/marked/-/marked-1.2.9.tgz",
-      "integrity": "sha512-H8lIX2SvyitGX+TRdtS06m1jHMijKN/XjfH6Ooii9fvxMlh8QdqBfBDkGUpMWH2kQNrtixjzYUa3SH8ROTgRRw=="
+      "version": "2.1.3",
+      "resolved": "https://registry.npmmirror.com/marked/-/marked-2.1.3.tgz",
+      "integrity": "sha512-/Q+7MGzaETqifOMWYEA7HVMaZb4XbcRfaOzcSsHZEith83KGlvaSG33u0SKu89Mj5h+T8V2hM+8O45Qc5XTgwA=="
     },
     "material-colors": {
       "version": "1.2.6",
diff --git a/package.json b/package.json
index 054f4ccf7..c75f9cb94 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "localforage": "^1.10.0",
     "lodash": "^4.17.21",
     "loglevel": "^1.6.8",
-    "marked": "^1.0.0",
+    "marked": "^2.1.0",
     "material-ui": "^1.0.0-beta.40",
     "md5": "^2.2.1",
     "mini-css-extract-plugin": "^0.9.0",
diff --git a/public/js/editormd/editormd.min.js b/public/js/editormd/editormd.min.js
index d4173f50f..844dd546c 100755
--- a/public/js/editormd/editormd.min.js
+++ b/public/js/editormd/editormd.min.js
@@ -1595,7 +1595,6 @@
                     var height = $(this).height();
                     var scrollTop = $(this).scrollTop();
                     var percent = (scrollTop / ($(this)[0].scrollHeight-100));
-                    console.log(percent);
                     var tocHeight = 0;
 
                     preview.find(".markdown-toc-list").each(function () {
diff --git a/src/App.css b/src/App.css
index 0e7cdfef6..2abbaf5e1 100644
--- a/src/App.css
+++ b/src/App.css
@@ -76,7 +76,8 @@ body {
 }
 /* md多空格 */
 .markdown-body p {
-  /* margin:10px 0px!important; */
+  /* 同步gitee样式，md段落添加mb */
+  margin-bottom: 16px !important;
   font-size: 16px !important;
   white-space: pre-wrap;
 }
diff --git a/src/forge/Information/Pages/newsDetail.jsx b/src/forge/Information/Pages/newsDetail.jsx
index 302ccaac6..50e587674 100644
--- a/src/forge/Information/Pages/newsDetail.jsx
+++ b/src/forge/Information/Pages/newsDetail.jsx
@@ -20,14 +20,21 @@ function NewsDetail(props){
   const zonedetail = props.data;
 
   useEffect(()=>{
+    let initialContent = undefined;
     if(IsPC() && zonedetail){
       setTimeout(()=>{
         window.scrollTo(0,1);
         if(detail)
         document.title = detail.name;
       },100);
+      initialContent = document.querySelector('meta[name="viewport"]').getAttribute('content');
       document.querySelector('meta[name="viewport"]').setAttribute('content','width=device-width, user-scalable=no,initial-scale=1.0,maximum-scale=1.0,minimum-scale=1.0');
     }
+    return()=>{
+      if(IsPC()){
+        document.querySelector('meta[name="viewport"]').setAttribute('content', initialContent);
+      }
+    }
   },[zonedetail,detail])
 
   useEffect(()=>{
diff --git a/src/forge/Issues/Component/chooseMenu.jsx b/src/forge/Issues/Component/chooseMenu.jsx
index 5608b2c07..4da6c5e4d 100644
--- a/src/forge/Issues/Component/chooseMenu.jsx
+++ b/src/forge/Issues/Component/chooseMenu.jsx
@@ -46,7 +46,10 @@ function ChooseMenu({
   const refBox = useRef(null);
 
   useEffect(() => {
-    document.addEventListener('click', clickMe , false);
+    document.addEventListener('mousedown', clickMe , false);
+    return () => {
+      window.removeEventListener("mousedown", clickMe, false);
+    }
   }, [])
 
   const clickMe = ({ target }) => {
diff --git a/src/forge/css/index.scss b/src/forge/css/index.scss
index c47e6bca5..65cd5c354 100644
--- a/src/forge/css/index.scss
+++ b/src/forge/css/index.scss
@@ -1,9 +1,6 @@
 ul,ol,dl{
   margin-bottom: 0px;
 }
-.markdown-body{
-  overflow: inherit;
-}
 .markdown-body .editormd-tex .katex-display>.katex{
   white-space: pre-wrap;
 }
diff --git a/src/index.css b/src/index.css
index 90fdbe8ff..25a963c6d 100644
--- a/src/index.css
+++ b/src/index.css
@@ -43,6 +43,9 @@
 
 .markdown-body img{
   cursor: pointer;
+  /* 行内样式 */
+  max-width: 100% !important;
+  height: auto !important;
 }
 .markdown-body pre ol.linenums,.markdown-body pre ul.linenums{
   padding-left: 0px;
@@ -52,7 +55,9 @@
 }
 
 .markdown-body video{
-  max-width: 100%;
+  /* 行内样式 */
+  max-width: 100% !important;
+  height: auto !important;
 }
 
 ol,
diff --git a/src/modules/tpm/challengesnew/tpm-md-editor.js b/src/modules/tpm/challengesnew/tpm-md-editor.js
index 38fd68a7a..5d147a277 100644
--- a/src/modules/tpm/challengesnew/tpm-md-editor.js
+++ b/src/modules/tpm/challengesnew/tpm-md-editor.js
@@ -9,7 +9,7 @@ import 'codemirror/lib/codemirror.css';
 import './css/newquestion.css';
 const $ = window.$
 
-const mdIcons = ["bold", "italic", "|", "list-ul", "list-ol", "|", "code", "code-block", "link", "|", "inline-latex", "latex", '|', "image", "table", '|', "line-break", "watch", "clear","fullscreen"];
+const mdIcons = ["bold", "italic", "del", "|", "list-ul", "list-ol", "|", "code", "code-block", "link", "|", "inline-latex", "latex", '|', "image", "table", '|', "line-break", "watch", "clear","fullscreen"];
 
 const NULL_CH = '▁';
 
@@ -317,7 +317,7 @@ export default ({ mdID, onChange, onCMBeforeChange, onCMBlur, error = false, cla
       {users && users.map((item,key)=>{
         return(
           <div key={key} className={`at_who ${key===0 && `active`}`} onClick={()=>{selectAtWho(item.username)}} onMouseOver={()=>{onMouseOver(key)}}>
-            {item.image_url && <img src={getImageUrl(`/${item.image_url}`)}></img>}
+            {item.image_url && <img src={getImageUrl(`/${item.image_url}`)} alt=''></img>}
             <span>{item.username}</span>
           </div>
         )