Merge branch 'dev_aliyun' into dev_hs

public/react/src/modules/courses/members/CourseGroupChooser.js

@@ -75,6 +75,7 @@ function CourseGroupChooser({ course_groups, isAdminOrCreator = true, item, inde
                 return(
                     <li key={item.id} value={item.id} >
                     <Checkbox value={item.id}
+															key={item.id}
                         id={`check${item.id}`}
                         style={{ marginRight: '6px' }}
                     ></Checkbox>

public/react/src/modules/modals/Jointheclass.js

@@ -55,7 +55,7 @@ class Jointheclass extends Component {
 				width="600px"
 			>
 				<div className="educouddiv">
-					<div className={"tabeltext-alignleft"}><p className={"mt70 mb70 font-16"}>是否确认该加入课堂?</p></div>
+					<div className={"tabeltext-alignleft"}><p className={"mt70 mb70 font-16"}>是否确认加入该课堂?</p></div>
 					<div className="clearfix  edu-txt-center mt20">
 						<style>
 							{