diff --git a/public/react/src/modules/courses/coursesDetail/CoursesLeftNav.js b/public/react/src/modules/courses/coursesDetail/CoursesLeftNav.js
index fff535c51..46ca129c5 100644
--- a/public/react/src/modules/courses/coursesDetail/CoursesLeftNav.js
+++ b/public/react/src/modules/courses/coursesDetail/CoursesLeftNav.js
@@ -1002,7 +1002,7 @@ class Coursesleftnav extends Component{
                     return(
                         <div key={key} 	>
                             <a>
-                            <li title={item.name.length<7?"":item.name} onClick={(e)=>this.showsandians(e,key,item.category_url,1,item.id,item.type)}   className={this.props.mainurl===item.category_url?"liactive":"clearfix active"}   onMouseLeave={(e)=>this.hidesandian(e,key)}  onMouseEnter={(e)=>this.showsandian(e,key)}>
+                            <li title={item.name.length<7?"":item.name} onClick={(e)=>this.showsandians(e,key,item.category_url,1,item.id,item.type)}   className={this.props.mainurl===item.category_url&&this.props.location.pathname===item.category_url?"liactive":"clearfix active"}   onMouseLeave={(e)=>this.hidesandian(e,key)}  onMouseEnter={(e)=>this.showsandian(e,key)}>
                                 <a onClick={(e)=>this.showsandians(e,key,item.category_url,1,item.id,item.type)}  className={ item.second_category===undefined?"fl ml20 pd0":item.second_category.length===0?"fl ml20 pd0":this.state.sandiantypes===key?"fl ml20 pd0 ebebeb":"fl ml20 pd0"}>
                                   {
                                     item.type==="announcement"?<i className={this.props.location.pathname===item.category_url?"color-blue iconfont icon-xiaoxi1 mr10 fl":"iconfont icon-xiaoxi1 mr10 fl"}></i>:
@@ -1138,7 +1138,7 @@ class Coursesleftnav extends Component{
                  <div key={key}>
                    {/*<Tooltip placement="bottom" title={"点击空白处展开二级菜单，点击模块名字跳转到对应模块"}>*/}
                    <a >
-                   <li className={this.props.mainurl===item.category_url?"liactive":"clearfix active"}
+                   <li className={this.props.mainurl===item.category_url&&this.props.location.pathname===item.category_url?"liactive":"clearfix active"}
                        onClick={(e)=>this.setnavid(e,key,item.id,item.type,item.category_url)}  onMouseEnter={(e)=>this.showsandian(e,key)}
 											 title={item.name.length<7?"":item.name}
                    >