diff --git a/app/controllers/live_links_controller.rb b/app/controllers/live_links_controller.rb
index f4b49d4aa..fe2de4afe 100644
--- a/app/controllers/live_links_controller.rb
+++ b/app/controllers/live_links_controller.rb
@@ -2,7 +2,8 @@ class LiveLinksController < ApplicationController
   before_action :require_login
   before_action :find_course, only: [:index, :create]
   before_action :user_course_identity, :teacher_allowed, only: [:create]
-  before_action :edit_auth, only: [:edit, :update, :destroy]
+  before_action :edit_auth, only: [:edit, :update]
+  before_action :delete_auth, only: [:destroy]
 
   def index
     lives = @course.live_links
@@ -58,6 +59,10 @@ class LiveLinksController < ApplicationController
   end
 
   def edit_auth
+    tip_exception(403, "无权限操作") unless current_user.id == current_live.user_id || current_user.admin_or_business?
+  end
+
+  def delete_auth
     tip_exception(403, "无权限操作") unless current_user.id == current_live.user_id || current_user.admin?
   end
 end
\ No newline at end of file
diff --git a/app/models/live_link.rb b/app/models/live_link.rb
index 5dcfaf3d3..52c1e3657 100644
--- a/app/models/live_link.rb
+++ b/app/models/live_link.rb
@@ -8,6 +8,10 @@ class LiveLink < ApplicationRecord
   validates :description, length: { maximum: 100, too_long: "不能超过100个字符" }
 
   def op_auth?
+    user == User.current || User.current.admin_or_business?
+  end
+
+  def delete_auth?
     user == User.current || User.current.admin?
   end
 end
diff --git a/app/views/live_links/index.json.jbuilder b/app/views/live_links/index.json.jbuilder
index e951f24bc..e497a068b 100644
--- a/app/views/live_links/index.json.jbuilder
+++ b/app/views/live_links/index.json.jbuilder
@@ -5,6 +5,7 @@ json.lives @lives do |live|
   json.author_login live.user.login
   json.author_img url_to_avatar(live.user)
   json.op_auth live.op_auth?
+  json.delete_auth live.delete_auth?
   json.created_at live.created_at.strftime('%Y-%m-%d')
 end
 json.my_live_id @my_live_id
diff --git a/public/react/src/modules/courses/Video/Live.js b/public/react/src/modules/courses/Video/Live.js
index f8c39a000..7d0e01d2b 100644
--- a/public/react/src/modules/courses/Video/Live.js
+++ b/public/react/src/modules/courses/Video/Live.js
@@ -1,9 +1,14 @@
 import React,{ Component } from "react";
-import { Switch , Pagination } from 'antd';
-import { NoneData } from 'educoder';
+import { Pagination } from 'antd';
+// import { NoneData } from 'educoder';
 
 import LiveItem from './LiveItem';
 import './video.css';
+
+import bilibili from './images/bilibili.png';
+import tencent from './images/tencent.png';
+import WeiBaiTong from './images/WeiBaiTong.png';
+import douyu from './images/douyu.jpg';
 class Live extends Component{
  
    render(){
@@ -11,10 +16,31 @@ class Live extends Component{
     
       return(
        <div className="livePanel">
+          <p className="mt30 mb10 color-grey-9 pl10">EduCoder支持所有第三方直播平台，特别推荐：</p>
+          <ul className="platform">
+            <li>
+              <a href="https://ke.qq.com/act/speed_pc/index.html?from=800021837" target="_blank"><img alt="" src={tencent} className="mr8" width="28px"/>
+              <label className="color-grey-3 pointer">腾讯课堂</label>
+              </a>
+              <a href="https://pub.idqqimg.com/pc/misc/files/20200204/2e4cb765bef54f0c919c0ab8ab79d969.pdf" target="_blank" className="color-blue ml20">(简明手册)</a>
+            </li>
+            <li>
+              <a href="https://live.bilibili.com/liveHime?visit_id=a81rbm7v2kk0" target="_blank"><img alt="" src={bilibili} className="mr8" width="52px"/>
+              <label className="color-grey-3 pointer">哔哩哔哩</label>
+              </a>
+              <a href="https://www.bilibili.com/blackboard/live/broadcast-intro.html#/" target="_blank" className="color-blue ml20">(简明手册)</a>
+            </li>
+            <li>
+              <a href="https://www.douyu.com/" target="_blank"><img alt="" src={douyu} className="mr8" width="28px"/>
+              <label className="color-grey-3 pointer">斗鱼</label>
+              </a>
+              <a href="https://www.douyu.com/special/guide/anchor" target="_blank" className="color-blue ml20">(简明手册)</a>
+            </li>
+          </ul>
           {
             lives && lives.length > 0 ?
             <React.Fragment>
-              <p className="font-grey-9 mt20 mb20 pl5">共 <span className="color-orange">{liveData && liveData.total_count}</span> 个视频</p>
+              <p className="font-grey-9 mt20 mb20 pl10">共 <span className="color-orange">{liveData && liveData.total_count}</span> 个视频</p>
               <div className="liveContent">
                 {
                   lives.map((item,key)=>{
@@ -38,9 +64,10 @@ class Live extends Component{
               }
             </React.Fragment>
             :
-            <div className="edu-back-white">
-              <NoneData style={{width: '100%'}}></NoneData>
-            </div>
+            ""
+            // <div className="edu-back-white">
+            //   <NoneData style={{width: '100%'}}></NoneData>
+            // </div>
           } 
        </div>
      )
diff --git a/public/react/src/modules/courses/Video/LiveItem.js b/public/react/src/modules/courses/Video/LiveItem.js
index 095a8fc62..a2fff5b98 100644
--- a/public/react/src/modules/courses/Video/LiveItem.js
+++ b/public/react/src/modules/courses/Video/LiveItem.js
@@ -72,13 +72,18 @@ class LiveItem extends Component{
         </div>
         <p className="lineMiddle livesMain mt15 font-12">
             <span className="color-grey-9">创建时间：{item.created_at}</span>
-            {
-              item.op_auth ?
+            
               <span>
-                  <WordsBtn style="grey" onClick={()=>setLiveId(item.id)}>编辑</WordsBtn>
-                  <WordsBtn style="grey" className="ml30" onClick={()=>this.deleteLive(item.id)}>删除</WordsBtn>
-              </span>:""
-            }
+                {
+                  item.op_auth ?
+                  <WordsBtn style="grey" onClick={()=>setLiveId(item.id)}>编辑</WordsBtn>:""
+                }
+                {
+                  item.delete_auth ? 
+                  <WordsBtn style="s" className="ml30" onClick={()=>this.deleteLive(item.id)}>删除</WordsBtn>
+                  :""
+                }
+              </span>
           </p>
       </div>
     )
diff --git a/public/react/src/modules/courses/Video/LiveNew.js b/public/react/src/modules/courses/Video/LiveNew.js
index 897dd714a..a295a6fe5 100644
--- a/public/react/src/modules/courses/Video/LiveNew.js
+++ b/public/react/src/modules/courses/Video/LiveNew.js
@@ -137,10 +137,10 @@ class LiveNew extends Component{
                   <TextArea rows={4} placeholder="可在此介绍开播具体事项，如开播时间安排等。" />
                 )}
               </Form.Item>
-              <p className="flex-middle" style={{justifyContent:"space-between"}}>
+              {/* <p className="flex-middle" style={{justifyContent:"space-between"}}>
                 <span>EduCoder推荐您使用<a href="https://ke.qq.com/" target="_blank" className="color-blue">腾讯课堂</a>进行直播</span>
                 <a href="https://pub.idqqimg.com/pc/misc/files/20200204/2e4cb765bef54f0c919c0ab8ab79d969.pdf" target="_blank" className="color-blue">操作指引</a>
-              </p>
+              </p> */}
             </Form>
             <div className="clearfix mt30 edu-txt-center">
               <a onClick={this.cancelNew} className="task-btn mr30">取消</a>
diff --git a/public/react/src/modules/courses/Video/VideoIndex.js b/public/react/src/modules/courses/Video/VideoIndex.js
index c24b0f8d1..774f35de9 100644
--- a/public/react/src/modules/courses/Video/VideoIndex.js
+++ b/public/react/src/modules/courses/Video/VideoIndex.js
@@ -179,7 +179,7 @@ class VideoIndex extends Component{
   }
   render(){
     const { videos , upload , videoData , type , liveData , lives , page , liveVisible , isSpining , liveId } = this.state;
-    const { admin , is_teacher } = this.props.user;
+    const { admin , is_teacher , business } = this.props.user;
     return(
       <React.Fragment>
         <LivesNew 
@@ -199,15 +199,21 @@ class VideoIndex extends Component{
               </Menu>
             </div>
             {
-              (admin || is_teacher) &&
+              (admin || is_teacher || business) &&
               <li className="fr mt18">
                 {
-                  upload ?
-                  <WordsBtn style="grey" className="font-16" onClick={()=>this.uploadVideo(false)}>取消</WordsBtn>
+                  type === "video" ?
+                    <React.Fragment>
+                      {
+                        upload ?
+                        <WordsBtn style="grey" className="font-16" onClick={()=>this.uploadVideo(false)}>取消</WordsBtn>
+                        :
+                        <WordsBtn style="blue" className="font-16" onClick={this.toUpload}>上传视频</WordsBtn>
+                      }
+                    </React.Fragment>
                   :
-                  <WordsBtn style="blue" className="font-16" onClick={this.toUpload}>上传视频</WordsBtn>
+                  <WordsBtn style="blue" className="font-16 ml30" onClick={this.liveSetting}>直播设置</WordsBtn>
                 }
-                <WordsBtn style="blue" className="font-16 ml30" onClick={this.liveSetting}>直播设置</WordsBtn>
               </li>
             }
           </div>
diff --git a/public/react/src/modules/courses/Video/images/WeiBaiTong.png b/public/react/src/modules/courses/Video/images/WeiBaiTong.png
new file mode 100644
index 000000000..db08c9c42
Binary files /dev/null and b/public/react/src/modules/courses/Video/images/WeiBaiTong.png differ
diff --git a/public/react/src/modules/courses/Video/images/bilibili.png b/public/react/src/modules/courses/Video/images/bilibili.png
new file mode 100644
index 000000000..10e189741
Binary files /dev/null and b/public/react/src/modules/courses/Video/images/bilibili.png differ
diff --git a/public/react/src/modules/courses/Video/images/douyu.jpg b/public/react/src/modules/courses/Video/images/douyu.jpg
new file mode 100644
index 000000000..52b8d4962
Binary files /dev/null and b/public/react/src/modules/courses/Video/images/douyu.jpg differ
diff --git a/public/react/src/modules/courses/Video/images/tencent.png b/public/react/src/modules/courses/Video/images/tencent.png
new file mode 100644
index 000000000..738bb3693
Binary files /dev/null and b/public/react/src/modules/courses/Video/images/tencent.png differ
diff --git a/public/react/src/modules/courses/Video/video.css b/public/react/src/modules/courses/Video/video.css
index c91e5477e..b44a33371 100644
--- a/public/react/src/modules/courses/Video/video.css
+++ b/public/react/src/modules/courses/Video/video.css
@@ -138,4 +138,16 @@
 .liveModal .ant-col.ant-form-item-label{
   height: 30px;
   line-height: 30px;
+}
+.platform{
+  background: #fff;
+  display: flex;
+  align-items: center;
+  padding:20px 10px;
+  margin-bottom: 10px;
+}
+.platform > li{
+  margin-right: 80px;
+  display: flex;
+  align-items: center;
 }
\ No newline at end of file
diff --git a/public/react/src/modules/user/usersInfo/video/VideoUploadList.js b/public/react/src/modules/user/usersInfo/video/VideoUploadList.js
index 6f6286727..60f94e779 100644
--- a/public/react/src/modules/user/usersInfo/video/VideoUploadList.js
+++ b/public/react/src/modules/user/usersInfo/video/VideoUploadList.js
@@ -15,7 +15,7 @@ import uploadHoverIcon from './images/upload_hover.png'
 let uploader
 const files = []
 const MAX_FILE_COUNT = 3
-const MAX_FILE_SIZE = 200
+const MAX_FILE_SIZE = 500
 let noUploads = true
 
 function VideoUploadList (props) {
@@ -74,8 +74,8 @@ function VideoUploadList (props) {
             clearInput()
             return;
         }
-        if (file.size > 200 * 1024 * 1024) {
-            // 超过200m TODO
+        if (file.size >(parseInt(MAX_FILE_SIZE) * 1024 * 1024)) {
+            // 超过500m TODO
             clearInput()
             showNotification(`视频大小超过${MAX_FILE_SIZE}M`)
             return;
@@ -428,7 +428,7 @@ function VideoUploadList (props) {
                 >继续添加</ActionBtn>}
 
                 <div className={`description ${noUploads ? 'noUploads' : ''}`}>
-                    <div className="">视频大小：不支持断点续传，单个视频文件最大200M；单次最多支持3个视频文件上传 </div>
+                    <div className="">视频大小：不支持断点续传，单个视频文件最大500M；单次最多支持3个视频文件上传 </div>
                     <div className="">视频规格：avi、flv、f4v、m4v、mov、mp4、rmvb、swf、webm </div>
                     <div className="">温馨提示：请勿上传违法视频。平台将为每一个视频分配一个地址，您可以通过引用该地址将视频使用在实训项目等模块</div>
                 </div>