添加判断

cooleshow-user/user-biz/src/main/java/com/yonge/cooleshow/biz/dal/service/impl/CourseScheduleServiceImpl.java

@@ -2138,6 +2138,10 @@ public class CourseScheduleServiceImpl extends ServiceImpl<CourseScheduleDao, Co
         Integer classNum = arrangeCourseVo.getClassNum();//课时数
         Integer singleClassTime = arrangeCourseVo.getSingleClssTime();//单课时长
         List<Long> studentIds = arrangeCourseVo.getStudentIds();//学员id集合
+        if(arrangeCourseVo.getCourseFreeMinutes() == null) {
+            throw new BizException("课程空闲时间不能为空");
+        }
+
 
         String formula = sysConfigService.findConfigValue(SysConfigConstant.PIANO_ROOM_TIME_FORMULA);
         Integer n = (Integer) WrapperUtil.strToFormula(formula, "n", String.valueOf(studentIds.size() + 1));//人数计算 公式n*(n-1) n包含老师