视频增加二级目录

public/react/src/modules/courses/coursesDetail/CoursesLeftNav.js

@@ -838,6 +838,8 @@ class Coursesleftnav extends Component{
       {item.type==="shixun_homework"?<div onClick={e=>this.Navmodalnames(e,1,"shixun_homework",item.id)}>新建目录</div>:""}
       {/*资源*/}
       {item.type==="attachment"?<div onClick={e=>this.Navmodalnames(e,1,"attachment",item.id)}>新建目录</div>:""}
+      {/* 视频 */}
+      {item.type==="video"?<div onClick={e=>this.Navmodalnames(e,1,"video",item.id)}>新建目录</div>:""}
       {/*毕业设计*/}
       {/*{item.type==="graduation"?<div onClick={()=>this.Navmodalnames(1,"attachment",item.id)}>添加目录</div>:""}*/}
       {/*讨论区*/}