diff --git a/src/forge/Main/CoderDepot.jsx b/src/forge/Main/CoderDepot.jsx
index af9f1709..93ed00eb 100644
--- a/src/forge/Main/CoderDepot.jsx
+++ b/src/forge/Main/CoderDepot.jsx
@@ -227,6 +227,10 @@ function CoderDepot(props){
       }
     })
   }
+
+  let n = fileInfo && fileInfo.name;
+  const mdFlag = n && n.substring(n.length-3,n.length) === ".md";
+  
   return(
     <WhiteBack>
       <UpdateDescModal desc={desc} website={website} lesson_url={lesson_url} visible={openModal} onCancel={()=>setOpenModal(false)} onOk={okUpdate}/>
@@ -346,6 +350,7 @@ function CoderDepot(props){
                             {...props}
                             detail={fileInfo}
                             readOnly={readOnly}
+                            md={mdFlag}
                             onEdit={onEdit}
                             currentBranch={branchName || (projectDetail && projectDetail.default_branch)}
                           ></CoderRootFileDetail>
diff --git a/src/forge/Main/CoderRootFileDetail.js b/src/forge/Main/CoderRootFileDetail.js
index 19930155..3fc19f21 100644
--- a/src/forge/Main/CoderRootFileDetail.js
+++ b/src/forge/Main/CoderRootFileDetail.js
@@ -176,9 +176,9 @@ class CoderRootFileDetail extends Component {
       current_user,
       isManager,
       isDeveloper,
-      md,
       currentBranch,
-      platform
+      platform,
+      md
     } = this.props;
     const { language, languages, description } = this.state;
     let flag = current_user && current_user.login && (isManager || isDeveloper);
diff --git a/src/forge/Main/Index.scss b/src/forge/Main/Index.scss
index f4519191..64792680 100644
--- a/src/forge/Main/Index.scss
+++ b/src/forge/Main/Index.scss
@@ -292,6 +292,7 @@
   border-radius: 4px;
   .ant-dropdown-menu-item{
     border-radius: 8px;
+    text-align: left;
     a{
       width: 350px;
       overflow: hidden;
diff --git a/src/forge/Main/list.css b/src/forge/Main/list.css
index 07991f6a..9854a0a3 100644
--- a/src/forge/Main/list.css
+++ b/src/forge/Main/list.css
@@ -281,7 +281,6 @@
   height:100%;
 }
 .files-md{
-  border:1px solid #eee;
   padding:20px;
 }
 /* 详情-代码 */