fix

themis-business/src/main/java/com/qmth/themis/business/service/impl/TOeExamRecordServiceImpl.java

@@ -144,7 +144,7 @@ public class TOeExamRecordServiceImpl extends ServiceImpl<TOeExamRecordMapper, T
         er.setSerialNumber(serialNumber);
         er.setFirstPrepareTime(new Date());
         er.setStatus(ExamRecordStatusEnum.FIRST_PREPARE);
-        redisUtil.set(RedisKeyHelper.examRecordCacheKey(er.getId()), SimpleBeanUtil.objectToMap(er));
+        redisUtil.setForHash(RedisKeyHelper.examRecordCacheKey(er.getId()), SimpleBeanUtil.objectToMap(er));
         return er.getId();
     }