update

pbl.js

@@ -2397,6 +2397,10 @@ router.route('/getCourseGroup').all((req, res, next) => {
     var json = queryString(req.url);
     getmysql(req, res, "getCourseGroup", json["cid"], json["classid"]);
 });
+//加入分组
+router.route('/joinCourseGroup').all((req, res, next) => {
+    postmysql(req, res, "joinCourseGroup");
+});
 
 //加入分组
 router.route('/joinGroup').all((req, res, next) => {