fix

zhongzheng-system/src/main/java/com/zhongzheng/modules/grade/service/impl/ClassGradeUserServiceImpl.java

@@ -347,8 +347,6 @@ public class ClassGradeUserServiceImpl extends ServiceImpl<ClassGradeUserMapper,
                 gradePeriodStatus = -1;
             }
         }
-
-
         LambdaQueryWrapper<ClassGradeUser> classGradeUser = Wrappers.lambdaQuery();
         classGradeUser.eq(ClassGradeUser::getUserId, bo.getUserId());
         classGradeUser.eq(ClassGradeUser::getGradeId, bo.getGradeId());

zhongzheng-system/src/main/java/com/zhongzheng/modules/user/domain/UserSubscribe.java

@@ -59,7 +59,6 @@ private static final long serialVersionUID=1L;
     @TableField(fill = FieldFill.INSERT_UPDATE)
     private Long updateTime;
     /** 前培Id */
-    @TableField(updateStrategy = FieldStrategy.IGNORED)
     private Long beforeId;
     /** 考试地点 */
     private String applySiteAddress;

zhongzheng-system/src/main/java/com/zhongzheng/modules/user/service/impl/UserStudyRecordServiceImpl.java

@@ -270,7 +270,7 @@ public class UserStudyRecordServiceImpl extends ServiceImpl<UserStudyRecordMappe
             queryBo.setChapterId(bo.getChapterId());
             queryBo.setSectionId(bo.getSectionId());
             UserStudyRecordVo lastVo = queryLast(queryBo);
-            if(Validator.isEmpty(lastVo)||lastVo.getVideoCurrentTime().longValue()>add.getVideoCurrentTime().longValue()){
+            if(Validator.isEmpty(lastVo)||Validator.isEmpty(lastVo.getVideoCurrentTime())||lastVo.getVideoCurrentTime().longValue()>add.getVideoCurrentTime().longValue()){
                 //如果没有历史数据或者之前播放时长比现在晚，则新增观看记录
                 this.save(add);
             }else{