diff --git a/public/css/edu-purge.css b/public/css/edu-purge.css
index 065a7fd3..99c9f03a 100644
--- a/public/css/edu-purge.css
+++ b/public/css/edu-purge.css
@@ -3912,7 +3912,6 @@ html>body #ajax-indicator {
   text-align: center;
   height: 70px;
   box-sizing: border-box;
-  min-width: 780px;
   overflow: hidden;
   text-overflow: ellipsis;
   white-space: nowrap;
diff --git a/src/AppConfig.js b/src/AppConfig.js
index 2c34caa6..f897831f 100644
--- a/src/AppConfig.js
+++ b/src/AppConfig.js
@@ -25,7 +25,7 @@ if (isDev) {
   }
   debugType = window.location.search.indexOf('debug=t') !== -1 ? 'teacher' :
   window.location.search.indexOf('debug=s') !== -1 ? 'student' :
-  window.location.search.indexOf('debug=a') !== -1 ? 'admin' : parsed.debug || 'student'
+  window.location.search.indexOf('debug=a') !== -1 ? 'admin' : parsed.debug || 'admin'
 }                 
 window._debugType = debugType;
 export function initAxiosInterceptors(props) {
diff --git a/src/forge/Head/Header.js b/src/forge/Head/Header.js
index f9071162..9311a0ac 100644
--- a/src/forge/Head/Header.js
+++ b/src/forge/Head/Header.js
@@ -88,10 +88,11 @@ class NewHeader extends Component {
             }, 300)
           }}
         >
-          <Search placeholder="实践课程/教学课堂/实践项目/交流问答"
+          <Search placeholder="请输入搜索关键字"
             className={`search-input mr20`}
             onSearch={(value)=>this.onGlobalSearch(value,item)}
             autoFocus={true}
+            style={{width:"190px"}}
           />
         </div>
       )
diff --git a/src/forge/Main/CoderDepot.jsx b/src/forge/Main/CoderDepot.jsx
index 3a85ff51..1c2249e9 100644
--- a/src/forge/Main/CoderDepot.jsx
+++ b/src/forge/Main/CoderDepot.jsx
@@ -239,9 +239,11 @@ function CoderDepot(props){
       }
     })
   }
-
   let n = fileInfo && fileInfo.name;
   const mdFlag = n && n.substring(n.length-3,n.length) === ".md";
+
+  const { current_user } = props;
+  const fileOperate = type === "dir" && projectDetail && projectDetail.type !== 2 && (projectDetail.permission !=="Reporter" || (current_user && current_user.admin));
   
   return(
     <WhiteBack>
@@ -311,7 +313,7 @@ function CoderDepot(props){
                         }
                         <a onClick={()=>urlLink(`/projects/${owner}/${projectsId}/issues/new`)} >+ 任务</a>
                       </div>
-                      { type === "dir" && projectDetail.type !== 2 &&
+                      { fileOperate &&
                         <Dropdown overlay={fileMenu} className="mr20" trigger={['click']}>
                           <Button type="default">文件 <i className="iconfont icon-sanjiaoxing-down ml3 font-14 color-grey-9"></i></Button>
                         </Dropdown>