feat:乐团课排课调整

mec-biz/src/main/java/com/ym/mec/biz/service/impl/ClassGroupServiceImpl.java

@@ -2388,7 +2388,7 @@ public class ClassGroupServiceImpl extends BaseServiceImpl<Integer, ClassGroup>
 
         for (ClassGroup4MixDto classGroup4MixDto : classGroup4MixDtos) {
             //3、插入班级排课信息
-            LocalDateTime now = LocalDateTime.now().withHour(0).withMinute(0).withSecond(0);
+            LocalDateTime now = LocalDateTime.now().withHour(0).withMinute(0).withSecond(0).withNano(0);
 
             if (!courseTypeMinutesMap.containsKey(classGroup4MixDto.getCourseType().getCode())) {
                 throw new BizException("{}课程类型暂无剩余课程时长", classGroup4MixDto.getCourseType().getMsg());