diff --git a/public/react/src/modules/courses/Video/LiveNew.js b/public/react/src/modules/courses/Video/LiveNew.js
index a295a6fe5..2cd23f049 100644
--- a/public/react/src/modules/courses/Video/LiveNew.js
+++ b/public/react/src/modules/courses/Video/LiveNew.js
@@ -36,6 +36,11 @@ class LiveNew extends Component{
           })
         }
       })
+    }else{
+      this.props.form.setFieldsValue({
+        url:undefined,
+        description:undefined
+      })
     }
     this.setState({
       isSpining:false
@@ -45,6 +50,7 @@ class LiveNew extends Component{
   handleSubmit=()=>{
     this.props.form.validateFields((err, values) => {
       if(!err){
+        console.log("2")
         const { liveId } = this.props;
         if(liveId){
           // 修改
@@ -89,10 +95,14 @@ class LiveNew extends Component{
   }
 
   validateDesc= (rule, value, callback) => {
+    if(!value){
+      callback();
+    }
     if (value.length > 100) {
       callback("直播说明不能超过100个字！");
+    }else{
+      callback();
     }
-    callback();
   }
 
   cancelNew=()=>{