fix bug

@@ -141,18 +141,14 @@ public class InviteSettlementServiceImpl implements IInviteSettlementService {
 
     @VisibleForTesting
     Pair<Integer, Integer> getTimeRangeOfMonth(String month) {
-        LocalDateTime requestMonth = null;
+        LocalDateTime start = null;
+        ZoneOffset zoneOffset = InviteSettlementUtils.zoneOffset();
         try {
-            requestMonth = LocalDateTime.parse(month, DateTimeFormatter.ofPattern("yyyyMM"));
+            start = LocalDateTime.parse(month + "01 00:00:00", DateTimeFormatter.ofPattern("yyyyMMdd HH:mm:ss"));
         } catch (Exception e) {
             throwServiceException("日期格式不正确");
         }
-        ZoneOffset zoneOffset = ZoneOffset.of("+8");
-        int startTime = (int) LocalDateTime.of(requestMonth.getYear(), requestMonth.getMonthValue(), 1, 0, 0, 0)
-                .toEpochSecond(zoneOffset);
-        int endTime = (int) LocalDateTime.of(requestMonth.getYear(), requestMonth.getMonthValue() + 1, 1, 0, 0, 0)
-                .toEpochSecond(zoneOffset) - 1;
-        return Pair.of(startTime, endTime);
+        return Pair.of((int) start.toEpochSecond(zoneOffset), (int) start.plusMonths(1).toEpochSecond(zoneOffset) - 1);
     }
 
     @Override