fix: some bug

src/main/java/com/winhc/repal/service/impl/RepalRemindReadInfoServiceImpl.java

@@ -49,6 +49,10 @@ public class RepalRemindReadInfoServiceImpl extends ServiceImpl<RepalRemindReadI
      */
     @Override
     public RepalRemindReadInfo getReadInfoByUserId(Long userId,Long repalBillId,Long repalBookId) {
+        if(repalBillId == null || repalBookId == null){
+            return new RepalRemindReadInfo().setUserId(userId).setRepalBillId(repalBillId).setRepalBookId(repalBookId)
+                    .setRankRemindId(0L).setRiskRemindId(0L).setFinanceRemindId(0L).setOverdueRemindId(0L);
+        }
         RepalRemindReadInfo repalRemindReadInfo = getOne(Wrappers.lambdaQuery(RepalRemindReadInfo.class)
                 .eq(RepalRemindReadInfo::getUserId,userId)
                 .eq(RepalRemindReadInfo::getRepalBillId,repalBillId)