Merge branch 'master' of https://git.cocorobo.cn/CocoRoboLabs/pbl-api

pbl.js

@@ -1130,6 +1130,10 @@ router.route("/addCourseWorks4-u").all((req, res, next) => {
     postmysql2(req, res, "addCourseWorks3");
 });
 //上传文件
+router.route("/addCourseWorks4-u2").all((req, res, next) => {
+    postmysql(req, res, "addCourseWorks3");
+});
+//上传文件
 router.route("/addCourseWorks4E").all((req, res, next) => {
     postmysql3(req, res, "addCourseWorks3E");
 });