diff --git a/src/forge/Main/CoderDepot.jsx b/src/forge/Main/CoderDepot.jsx
index d6024b06..58e941d2 100644
--- a/src/forge/Main/CoderDepot.jsx
+++ b/src/forge/Main/CoderDepot.jsx
@@ -1,6 +1,6 @@
 import React , { useEffect , useState } from 'react';
 import { WhiteBack , Box , LongWidth , ShortWidth , Gap , AlignCenter , FlexAJ  } from '../Component/layout';
-import { Dropdown , Menu , Divider , Spin } from 'antd';
+import { Dropdown , Menu , Divider , Spin, Button } from 'antd';
 import { getImageUrl } from "educoder";
 import { Link } from 'react-router-dom';
 import CloneAddress from '../Branch/CloneAddress';
@@ -290,8 +290,14 @@ function CoderDepot(props){
                         <a onClick={()=>urlLink(`/projects/${owner}/${projectsId}/pulls/new`)} >+ 合并请求</a>
                         <a onClick={()=>urlLink(`/projects/${owner}/${projectsId}/issues/new`)} >+ 任务</a>
                       </div>
-                      { type === "dir" && <Dropdown.Button overlay={fileMenu} className="mr20">文件</Dropdown.Button>}
-                      <Dropdown.Button overlay={downloadMenu} type={'primary'}>下载</Dropdown.Button>
+                      { type === "dir" && 
+                        <Dropdown overlay={fileMenu} className="mr20">
+                          <Button type="default">文件 <i className="iconfont icon-sanjiaoxing-down ml3 font-14 color-grey-9"></i></Button>
+                        </Dropdown>
+                      }
+                      <Dropdown overlay={downloadMenu} placement="bottomRight">
+                        <Button type={'primary'}>下载 <i className="iconfont icon-sanjiaoxing-down ml3 font-14 color-white"></i></Button>
+                      </Dropdown>
                     </AlignCenter>
                   </FlexAJ>
                   {
diff --git a/src/forge/Main/Index.scss b/src/forge/Main/Index.scss
index d6a97a4b..bd19f89c 100644
--- a/src/forge/Main/Index.scss
+++ b/src/forge/Main/Index.scss
@@ -83,10 +83,10 @@
   }
   .addOptionBtn{
     height: 32px;
-    line-height: 32px;
+    line-height: 30px;
     display: flex;
     border:1px solid #d9d9d9;
-    border-radius: 4px;
+    border-radius: 2px;
     a{
       padding:0px 13px;
       color: rgba(0, 0, 0, 0.65);
diff --git a/src/forge/Settings/Collaborator.js b/src/forge/Settings/Collaborator.js
index fdffad36..90b1b6a7 100644
--- a/src/forge/Settings/Collaborator.js
+++ b/src/forge/Settings/Collaborator.js
@@ -11,7 +11,7 @@ function Collaborator(props){
   const [ newGroupId , setNewGroupId] = useState(undefined);
   const {projectsId ,owner} = props.match.params;
 
-  const author = props.projectDetail && props.projectDetail.author;
+  const author = props && props.projectDetail && props.projectDetail.author;
 
   function getID(id){
     setNewId(id);