fix: 初始化权益NPE

src/main/java/cn/com/poc/equity/aggregate/impl/MemberEquityServiceImpl.java

@@ -247,7 +247,7 @@ public class MemberEquityServiceImpl implements MemberEquityService {
         BizMemberEquityTransactionHistoryEntity bizMemberEquityTransactionHistoryEntity = new BizMemberEquityTransactionHistoryEntity();
         bizMemberEquityTransactionHistoryEntity.setTransactionSn(transactionSn);
         bizMemberEquityTransactionHistoryEntity.setMemberId(memberId);
-        bizMemberEquityTransactionHistoryEntity.setOriginalEquityLevel(StringUtils.isNotBlank(memberEquityEntity.getEquityLevel()) ? memberEquityEntity.getEquityLevel() : EquityEnum.TYPE.normal.name());
+        bizMemberEquityTransactionHistoryEntity.setOriginalEquityLevel(memberEquityEntity != null && StringUtils.isNotBlank(memberEquityEntity.getEquityLevel()) ? memberEquityEntity.getEquityLevel() : StringUtils.EMPTY);
         bizMemberEquityTransactionHistoryEntity.setModifyEquityLevel(type.name());
         bizMemberEquityTransactionHistoryEntity.setModifyEvent(modifyEventEnum.name());
         bizMemberEquityTransactionHistoryEntity.setModifyEventInfo(JsonUtils.serialize(modifyEventInfo));