diff --git a/src/forge/Main/CoderDepot.jsx b/src/forge/Main/CoderDepot.jsx
index 2b1851e62..9fa5603d0 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';
@@ -20,7 +20,9 @@ import DrawerPanel from '../Component/DrawerPanel';
 import UpdateDescModal from './sub/UpdateDescModal';
 import Nodata from '../Nodata';
 
-
+/**
+ * projectDetail.type:0是托管项目，1是镜像项目，2是同步镜像项目(为2时不支持在线创建、在线上传、在线修改、在线删除、创建合并请求等功能)
+ */
 function CoderDepot(props){
   const [ projectDetail , setProjectDetail ]= useState(undefined);
   const [ treeValue , setTreeValue ] = useState(undefined);
@@ -42,17 +44,18 @@ function CoderDepot(props){
   const [ openModal , setOpenModal ] = useState(false);
   const [ desc , setDesc ] = useState(undefined);
   const [ website , setWebsite ] = useState(undefined);
+  const [ lesson_url , setLessonUrl ] = useState(undefined);
 
   const owner = props.match.params.owner;
   const projectsId = props.match.params.projectsId;
   const branchName = props.match.params.branchName;
   let pathname = props.history.location.pathname;
-
   useEffect(()=>{
     if(props.projectDetail){
       setProjectDetail(props.projectDetail);
       setDesc(props.projectDetail.description);
       setWebsite(props.projectDetail.website);
+      setLessonUrl(props.projectDetail.lesson_url);
     }
   },[props])
 
@@ -65,17 +68,17 @@ function CoderDepot(props){
   },[treeValue])
 
   useEffect(()=>{
-    if (pathname){
+    if (pathname && projectDetail){
       if(pathname.indexOf(`/projects/${owner}/${projectsId}`) > -1 && pathname.indexOf(`/tree/${branchName}/`) > -1) {
         let url = pathname.split(`/tree/${branchName}/`)[1];
         setTreeValue(url);
         getFileInfo(url,branchName);
       }else{
         setTreeValue(undefined);
-        getDirInfo(branchName ||(projectDetail && projectDetail.default_branch));
+        getDirInfo(branchName ||projectDetail.default_branch);
       }
     } 
-  },[pathname])
+  },[pathname,projectDetail])
 
   // 获取主目录列表
   function getDirInfo(branch){
@@ -92,7 +95,7 @@ function CoderDepot(props){
         setZip_url(result.data.zip_url);
         let c = result.data.last_commit
         setLastCommit(c && c.commit);
-        setLastCommitAuthor(c && (c.author || (c.commit && c.commit.author)));
+        setLastCommitAuthor(c && c.committer);
         setMainFlag(true);
         setReadOnly(true);
       }
@@ -134,7 +137,7 @@ function CoderDepot(props){
         }
         let c = result.data.last_commit
         setLastCommit(c && c.commit);
-        setLastCommitAuthor(c && (c.author || (c.commit && c.commit.author)));
+        setLastCommitAuthor(c && c.committer);
         setMainFlag(false);
         setReadOnly(true);
       }
@@ -216,14 +219,16 @@ function CoderDepot(props){
       </Menu>
     </div>
   )
-  function okUpdate(d,w){
+  // 确认修改简介、website、实践课程链接
+  function okUpdate(d,w,l){
     const url = `/${owner}/${projectsId}.json`;
     axios.put(url,{
-      description:d,website:w
+      description:d,website:w,lesson_url:l
     }).then(result=>{
       if(result && result.data && result.data.id){
         setDesc(result.data.description);
         setWebsite(result.data.website);
+        setLessonUrl(result.data.lesson_url);
       }
     })
   }
@@ -233,7 +238,7 @@ function CoderDepot(props){
   
   return(
     <WhiteBack>
-      <UpdateDescModal desc={desc} website={website} visible={openModal} onCancel={()=>setOpenModal(false)} onOk={okUpdate}/>
+      <UpdateDescModal desc={desc} website={website} lesson_url={lesson_url} visible={openModal} onCancel={()=>setOpenModal(false)} onOk={okUpdate}/>
       <Spin spinning={isSpin}>
         {
           (dirInfo || fileInfo) && 
@@ -248,7 +253,10 @@ function CoderDepot(props){
               onClose={()=>setVisible(false)}
               list = {mainFlag ? dirInfo : undefined}
             />
-            <div className="drawerBtn" onClick={()=>setVisible(true)}><i className="iconfont icon-youjiantou"></i></div>
+            <div className="drawerBtn" onClick={()=>setVisible(true)}>
+              <i className="iconfont icon-youjiantou font-16"></i>
+              <span>目录</span>
+            </div>
           </React.Fragment>
         }
         <div style={{minHeight:"500px"}}>
@@ -290,11 +298,21 @@ function CoderDepot(props){
                     </AlignCenter>
                     <AlignCenter>
                       <div className="mr20 addOptionBtn">
-                        <a onClick={()=>urlLink(`/projects/${owner}/${projectsId}/pulls/new`)} >+ 合并请求</a>
+                        {
+                          projectDetail.type !== 2 && 
+                          <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" && projectDetail.type !== 2 &&
+                        <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>
+                      }
+                      
+                      <Dropdown overlay={downloadMenu} placement="bottomRight" trigger={['click']}>
+                        <Button type={'primary'}>下载 <i className="iconfont icon-sanjiaoxing-down ml3 font-14 color-white"></i></Button>
+                      </Dropdown>
                     </AlignCenter>
                   </FlexAJ>
                   {
@@ -303,8 +321,8 @@ function CoderDepot(props){
                       {
                         lastCommit &&
                         <div className="listtablehead">
-                          <User url={getImageUrl(`/${lastCommitAuthor && lastCommitAuthor.image_url}`)} name={lastCommitAuthor && lastCommitAuthor.name} />
-                          <div className={hideBtn && hide ? "ellipsistxt hide" :"ellipsistxt"}><p id="ptxt">{lastCommit && lastCommit.message}</p></div>
+                          <User url={getImageUrl(`/${lastCommitAuthor && lastCommitAuthor.image_url}`)} name={lastCommitAuthor && lastCommitAuthor.name} id={lastCommitAuthor && lastCommitAuthor.id} login={lastCommitAuthor && lastCommitAuthor.login}/>
+                          <div className={hideBtn && hide ? "ellipsistxt hide" :"ellipsistxt"}><pre id="ptxt">{lastCommit && lastCommit.message}</pre></div>
                           { hideBtn && <span className="ellipsis" onClick={()=>changeHide(hide)}><i className="iconfont icon-shenglvehao"></i></span> }
 
                           <span className="ml12 color-grey-9 mt3">{lastCommit && lastCommit.time_from_now}</span>
@@ -344,6 +362,7 @@ function CoderDepot(props){
                             md={mdFlag}
                             onEdit={onEdit}
                             currentBranch={branchName || (projectDetail && projectDetail.default_branch)}
+                            type={projectDetail.type}
                           ></CoderRootFileDetail>
                         }
                       </ul>
@@ -354,7 +373,7 @@ function CoderDepot(props){
                     (dirInfo && dirInfo.length === 0) && (fileInfo && fileInfo.length === 0) ? <Nodata _html="暂未发现文件"/> :""
                   } 
                   {/* readme文件显示(显示文件详情时不显示readme文件) */}
-                  { dirInfo && (projectDetail && projectDetail.readme) ? <ReadMe ChangeFile={ChangeFile} readme={projectDetail && projectDetail.readme} operate={props && (props.isManager || props.isDeveloper)} history={props.history} /> :"" }
+                  { dirInfo && (projectDetail && projectDetail.readme) ? <ReadMe ChangeFile={ChangeFile} readme={projectDetail && projectDetail.readme} operate={props && (props.isManager || props.isDeveloper) && projectDetail.type !==2 } history={props.history} /> :"" }
                 </div>
               </LongWidth>
               {
@@ -365,12 +384,12 @@ function CoderDepot(props){
                       <FlexAJ className="font-18 color-grey-6 mb20" style={{lineHeight:"28px"}}>简介
                         {projectDetail.permission && (projectDetail.permission==="Admin" || projectDetail.permission==="Owner") && <i onClick={()=>setOpenModal(true)} className="iconfont icon-anquanshezhi color-grey-9 font-15"></i>}
                       </FlexAJ>
-                      {desc && <p className="font-14 color-grey-9 mb15 task-hide-2" style={{lineHeight:"22px",WebkitLineClamp:"4",textAlign:"justify"}}>{desc}</p>}
+                      {desc && <p className="font-14 color-grey-9 mb15 task-hide-2" style={{lineHeight:"22px",WebkitLineClamp:"4",textAlign:"justify",wordBreak:"break-all"}}>{desc}</p>}
                       {
                         website &&
                         <p className="color-grey-6 df">
                           <i className="iconfont icon-lianjie2 font-15 mr10 color-grey-9"></i>
-                          <span style={{wordBreak:"break-all",lineHeight:"20px",marginTop:"5px"}}>{website}</span>
+                          <a href={website} target="_blank" style={{wordBreak:"break-all",lineHeight:"20px",marginTop:"5px",textDecoration:"underline"}}>{website}</a>
                         </p>
                       }
                       <p>
@@ -389,6 +408,14 @@ function CoderDepot(props){
                         </p>
                       }
                     </div>
+                    {
+                      lesson_url &&
+                      <div>
+                        <Divider />
+                        <p className="font-16 color-grey-6">实践课程</p>
+                        <a href={lesson_url} target="_blank" className="color-grey-6" style={{textDecoration:"underline"}}>{lesson_url}</a>
+                      </div>
+                    }
                     {/* 发布 */}
                     {
                       projectDetail && projectDetail.release_versions &&