diff --git a/public/react/src/modules/courses/Video/Live.js b/public/react/src/modules/courses/Video/Live.js
index b903b38bd..8de2628e8 100644
--- a/public/react/src/modules/courses/Video/Live.js
+++ b/public/react/src/modules/courses/Video/Live.js
@@ -7,9 +7,10 @@ import './video.css';
 class Live extends Component{
  
    render(){
-    const { liveData , lives , successFunc , admin , business , is_teacher , pageSize , changePage } = this.props;
+    const { liveData , lives , successFunc , pageSize , changePage } = this.props;
+    
+    const { admin , business , is_teacher } = this.props.user;
     const operation = admin || business || (is_teacher && this.props.checkIfProfessionalCertification())
-
      return(
        <div className="livePanel">
           {
diff --git a/public/react/src/modules/courses/Video/LiveItem.js b/public/react/src/modules/courses/Video/LiveItem.js
index 10586cdd7..4739c4c5f 100644
--- a/public/react/src/modules/courses/Video/LiveItem.js
+++ b/public/react/src/modules/courses/Video/LiveItem.js
@@ -36,7 +36,7 @@ class LiveItem extends Component{
         </div>
         <div className="lineMiddle mt15">
           <div className="liveDesc">
-            <p><span className="task-hide-2">{item.description}</span></p>
+            <p><span className="task-hide-2 break_word">{item.description}</span></p>
           </div>
           {
             item.on_status?
diff --git a/public/react/src/modules/courses/Video/LiveNew.js b/public/react/src/modules/courses/Video/LiveNew.js
index 0663525b2..0e3526b0f 100644
--- a/public/react/src/modules/courses/Video/LiveNew.js
+++ b/public/react/src/modules/courses/Video/LiveNew.js
@@ -6,12 +6,6 @@ import axios from 'axios';
 const { TextArea } = Input;
 
 class LiveNew extends Component{
-  constructor(props){
-    super(props);
-    this.state={
-
-    }
-  }
 
   handleSubmit=()=>{
     this.props.form.validateFields((err, values) => {
@@ -24,7 +18,7 @@ class LiveNew extends Component{
           if(result){
             this.props.showNotification("添加成功!");
             const { setliveVisibel } = this.props;
-            setliveVisibel && setliveVisibel(false);
+            setliveVisibel && setliveVisibel(false,true);
           }
         }).catch(error=>{
           console.log(error);
@@ -33,9 +27,25 @@ class LiveNew extends Component{
     })
   }
 
+  validateDesc= (rule, value, callback) => {
+    if (value.length > 100) {
+      callback("直播说明不能超过100个字！");
+    }
+    callback();
+  }
+
+  cancelNew=()=>{
+    const { setliveVisibel } = this.props;
+    this.props.form.setFieldsValue({
+      url:undefined,
+      description:undefined
+    })
+    setliveVisibel && setliveVisibel(false);
+  }
+
   render(){
     const {getFieldDecorator} = this.props.form;
-    const { visible , setliveVisibel } = this.props;
+    const { visible } = this.props;
     return(
       <Modal
         visible={visible}
@@ -54,20 +64,22 @@ class LiveNew extends Component{
                 <Input placeholder="请输入第三方直播链接，如：腾讯课堂播放链接等。" />
               )}
             </Form.Item>
-            <Form.Item label={`直播说明`} style={{marginBottom:"0px"}}>
+            <Form.Item label={`直播说明`}>
               {getFieldDecorator('description', {
-                  rules: [],
+                  rules: [{
+                    validator: this.validateDesc,
+                  }],
               })(
                 <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"}}>
               <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">下载操作指引</a>
+              <a href="https://pub.idqqimg.com/pc/misc/files/20200204/2e4cb765bef54f0c919c0ab8ab79d969.pdf" target="_blank" className="color-blue">操作指引</a>
             </p>
           </Form>
           <div className="clearfix mt30 edu-txt-center">
-            <a onClick={()=>setliveVisibel(false)} className="task-btn mr30">取消</a>
+            <a onClick={this.cancelNew} className="task-btn mr30">取消</a>
             <a type="submit" onClick={this.handleSubmit} className="task-btn task-btn-orange">确定</a>
           </div>
         </div>
diff --git a/public/react/src/modules/courses/Video/VideoIndex.js b/public/react/src/modules/courses/Video/VideoIndex.js
index 59b8dc882..ad76d6d5d 100644
--- a/public/react/src/modules/courses/Video/VideoIndex.js
+++ b/public/react/src/modules/courses/Video/VideoIndex.js
@@ -148,12 +148,13 @@ class VideoIndex extends Component{
     this.checkType("live",1);
   }
   //直播设置弹框
-  setliveVisibel=(flag)=>{
+  setliveVisibel=(flag,changetypeFlag)=>{
     this.setState({
-      liveVisible:flag,
-      type:"live"
+      liveVisible:flag
     })
-    this.checkType("live",1);
+    if(changetypeFlag){
+      this.checkType("live",1);
+    }
   }
   render(){
     const { videos , upload , videoData , type , liveData , lives , liveVisible , isSpining } = this.state;
diff --git a/public/react/src/modules/courses/Video/video.css b/public/react/src/modules/courses/Video/video.css
index 0163d072b..e6186b640 100644
--- a/public/react/src/modules/courses/Video/video.css
+++ b/public/react/src/modules/courses/Video/video.css
@@ -119,8 +119,21 @@
 }
 
 .liveModal .ant-modal-body{
-  padding:10px 20px 20px 20px;
+  padding:20px;
 }
 .liveModal .ant-modal-body .task-popup-content{
   padding:0px;
+}
+.liveModal .ant-row.ant-form-item{
+  position: relative;
+  margin-bottom: 20px;
+}
+.liveModal .ant-form-explain{
+  position: absolute;
+  bottom: -18px;
+  left: 0px;
+}
+.liveModal .ant-col.ant-form-item-label{
+  height: 30px;
+  line-height: 30px;
 }
\ No newline at end of file