视频选择回显修改

src/views/course/Courseware.vue

@@ -493,7 +493,11 @@ export default {
         this.form.device = 2;
       }
       //时长，秒与分钟的转化
-      //if(this.form.)
+      if(!this.form.minute){
+        return this.$message.error('请输入时长');
+      }else{
+        this.form.duration = Number(this.form.minute) * 60;
+      }
       try {
         const { status,message} = await coueseFile.batchUpdate([this.form]);
         if (status === 200) {