diff --git a/public/images/educoder/courtailsbdpicture.jpg b/public/images/educoder/courtailsbdpicture.jpg
new file mode 100644
index 000000000..7998b3137
Binary files /dev/null and b/public/images/educoder/courtailsbdpicture.jpg differ
diff --git a/public/react/public/css/edu-all.css b/public/react/public/css/edu-all.css
index 3b837aea0..7bda233fe 100644
--- a/public/react/public/css/edu-all.css
+++ b/public/react/public/css/edu-all.css
@@ -524,7 +524,7 @@ li.li-width15{width: 15%;text-align: left}
 li.li-width7{width: 7%;text-align: left}
 
 /*-----------------------------在线课堂动态----------------------------------*/
-.courseHead{width: 100%;margin-bottom:40px;background-size: 100% 100%;background-image: url("/images/educoder/course-detail.jpg");height: 240px;
+.courseHead{width: 100%;margin-bottom:40px;background-size: 100% 100%;background-image: url("/images/educoder/courtailsbdpicture.jpg");height: 240px;
     justify-content: center;align-items: center;display: -webkit-flex;
     background-size: cover;
     background-position: center;
@@ -3483,4 +3483,4 @@ a.singlepublishtwo{
 .markdown-body {
     text-align: justify;
     word-break: break-all;
-}
\ No newline at end of file
+}
diff --git a/public/react/src/modules/courses/coursesDetail/CoursesBanner.js b/public/react/src/modules/courses/coursesDetail/CoursesBanner.js
index 5f3704a33..0394855dc 100644
--- a/public/react/src/modules/courses/coursesDetail/CoursesBanner.js
+++ b/public/react/src/modules/courses/coursesDetail/CoursesBanner.js
@@ -375,19 +375,19 @@ class CoursesBanner extends Component {
     }
     addTeacher = (isTeacher) => {
         this.setState({ isTeacher }, () => {
-            this.refs.addTeacherModal.setVisible(true)    
-        }) 
-        
+            this.refs.addTeacherModal.setVisible(true)
+        })
+
     }
     addStudent = () => {
-        this.refs.addStudentModal.setVisible(true)    
+        this.refs.addStudentModal.setVisible(true)
     }
     addTeacherSuccess = (params) => {
         trigger('addTeacherSuccess', JSON.stringify(params))
         this.updatabanner()
     }
     addStudentSuccess = (params) => {
-        trigger('addStudentSuccess', JSON.stringify(params))        
+        trigger('addStudentSuccess', JSON.stringify(params))
         this.updatabanner()
     }
     //退出课堂按钮
@@ -728,7 +728,9 @@ class CoursesBanner extends Component {
 													<Breadcrumb.Item className={"pointer"}>
 														<Tooltip visible={coursedata.teacher_applies_count===undefined?false:coursedata.teacher_applies_count>0?true:false}
 																		 placement="topLeft"
-																		 title={<pre>{coursedata.teacher_applies_count===undefined?"":coursedata.teacher_applies_count>0?<span>您有{coursedata.teacher_applies_count}条新的加入申请<a className={"daishenp"} onClick={()=>this.setHistoryFun("/courses/"+this.props.match.params.coursesId+"/teachers?tab=2")}>待审批</a></span>:""}</pre>}>
+																		 title={<pre>{coursedata.teacher_applies_count===undefined?"":coursedata.teacher_applies_count>0?<span>您有{coursedata.teacher_applies_count}条新的加入申请<a className={"daishenp"} onClick={()=>this.setHistoryFun("/courses/"+this.props.match.params.coursesId+"/teachers?tab=2")}><span style={{
+																		 	color:"#FFA804"
+																		 }}>待审批</span></a></span>:""}</pre>}>
 																<span className="color-grey-c font-16" onClick={()=>this.setHistoryFun("/courses/"+this.props.match.params.coursesId+"/teachers")}>
 																	<span className={"mr10"}>教师</span>
 																	<span className={"mr10"}>{coursedata.teacher_count}</span>