diff --git a/public/react/src/context/TPIContextProvider.js b/public/react/src/context/TPIContextProvider.js
index fa0cbafcd..291626038 100644
--- a/public/react/src/context/TPIContextProvider.js
+++ b/public/react/src/context/TPIContextProvider.js
@@ -133,13 +133,15 @@ class TPIContextProvider extends Component {
 		})
 	}
 
+	componentWillMount () {
+		// 拦截判断是否离开当前页面
+	  }
+
 	componentWillUnmount() {
 		this.costTimeInterval && window.clearInterval(this.costTimeInterval)
 	}
 	componentDidMount() {
-		window.$(window).unload( ()=>{
-			console.log(12321)
-		});
+		
 
 		// TODO 登录状态的判断？
 		// request
@@ -161,12 +163,15 @@ class TPIContextProvider extends Component {
 			}
 		}, 1000)
 
-			// 页面离开时存下用户的任务耗时
-		window.$(window).bind('beforeunload', function (e) {
-			console.log(111111)
+		// 	// 页面离开时存下用户的任务耗时
+		window.$(window).bind('beforeunload',()=>{
 			this._updateCostTime();
 		}) 	
+		// window.$(window).unload( ()=>{
 
+		// 	this._updateCostTime();
+
+		// });
 		// // 页面离开时存下用户的任务耗时
 		// window.$(window).unload( ()=>{
 		// 	this._updateCostTime();
diff --git a/public/react/src/modules/courses/coursesDetail/CoursesBanner.js b/public/react/src/modules/courses/coursesDetail/CoursesBanner.js
index 180599fa8..a6e22f080 100644
--- a/public/react/src/modules/courses/coursesDetail/CoursesBanner.js
+++ b/public/react/src/modules/courses/coursesDetail/CoursesBanner.js
@@ -601,26 +601,38 @@ class CoursesBanner extends Component {
 
 
                   </div>
+                  <div>
+                  <a href={"/users/" + coursedata.teacher_login} className="fl">
+                    <img alt="头像" className="radius fl mt3 bannerimgname"
+                        src={getImageUrl(`images/` + coursedata.teacher_img)}/>
+                  </a>
+
+                  <div className="fl mt13">
+                    <p className="color-white">
+                      <a href={"/users/" + coursedata.teacher_login}
+                        className="color-white bannnerusername">{coursedata.teacher_name}</a>
+                    </p>
+                  </div>
+                  <div className="fl mt13">
+                    <p className="color-white bannnerusernames">{coursedata.teacher_school}</p>
+                  </div>
 
-                  <div className="clearfix ">
-                    <div className="fl fl mr40 mb20">
-
-                      <a href={"/users/" + coursedata.teacher_login} className="fl">
-                        <img alt="头像" className="radius fl mt3 bannerimgname"
-                             src={getImageUrl(`images/` + coursedata.teacher_img)}/>
-                      </a>
-
-                      <div className="fl mt13">
-                        <p className="color-white">
-                          <a href={"/users/" + coursedata.teacher_login}
-                             className="color-white bannnerusername">{coursedata.teacher_name}</a>
-                        </p>
-                      </div>
-
+                  </div>
 
-                      <div className="fl mt13">
-                        <p className="color-white bannnerusernames">{coursedata.teacher_school}</p>
-                      </div>
+                  <div className="clearfix ">
+                    <div className="fl fl mr40 mb20" >
+                      <div className="task-hide" style={{height:25,marginBottom:10,marginLeft:60}}>
+                              {coursedata.teacher_users.length===0?'':
+                               <span className="color-white" >协作老师：
+                                {coursedata.teacher_users.map((iem,idx)=>{
+                                  return(
+                                    <span className="task-hide" style={{width:50,marginLeft:5}}>{idx<3?iem:''}  {coursedata.teacher_users.length>3&&idx===2?'...':''} </span> 
+                                  )
+                                })
+                                }
+                             </span>
+                             }
+                        </div>
 
                     </div>