Merge branch 'active_course_2021-09-26～29' of http://git.dayaedu.com/yonge/mec

mec-web/src/main/java/com/ym/mec/web/controller/PracticeGroupManageController.java

@@ -186,8 +186,7 @@ public class PracticeGroupManageController extends BaseController {
             return failed("请指定指导老师!");
         }
         if(Objects.isNull(applyBaseInfoDto.getOrganId())){
-            Integer firstStudentId = applyBaseInfoDto.getFirstStudentId();
-            SysUser student = teacherDao.getUser(firstStudentId);
+            SysUser student = teacherDao.getUser(applyBaseInfoDto.getStudentId());
             if(Objects.isNull(student)||Objects.isNull(student.getOrganId())){
                 return failed("学员信息异常");
             }