diff --git a/backend/scheduler.py b/backend/scheduler.py
index 0b75ba7..c2e262b 100644
--- a/backend/scheduler.py
+++ b/backend/scheduler.py
@@ -216,31 +216,44 @@ class LotteryScheduler:
             yesterday = datetime.now() - timedelta(days=1)
             target_date = yesterday.strftime('%Y-%m-%d')
             current_weekday = datetime.now().isoweekday()
-            if current_weekday == 6:  # 周六
-                logger.info("周六休息，不推送中奖检查")
-                return
-            if current_weekday in [1, 3, 5, 7]:
-                lottery_type = 'ssq'
-                BetModel = SSQLotteryBetRecord
-                LotteryModel = SSQLottery
-                fixed_numbers = {'red': [4, 6, 7, 12, 18, 19], 'blue': [9]}
-            else:
+
+            # 移除错误的周六休息逻辑 - 周六投注的大乐透在周日需要检查中奖
+            # 根据昨天的日期确定彩票类型
+            yesterday_weekday = yesterday.isoweekday()
+
+            if yesterday_weekday in [1, 3, 6]:  # 昨天是周一、三、六，投注的是大乐透
                 lottery_type = 'dlt'
                 BetModel = DLTLotteryBetRecord
                 LotteryModel = DLTLottery
                 fixed_numbers = {'red': [4, 6, 9, 18, 19], 'blue': [7, 12]}
+            elif yesterday_weekday in [2, 4, 7]:  # 昨天是周二、四、日，投注的是双色球
+                lottery_type = 'ssq'
+                BetModel = SSQLotteryBetRecord
+                LotteryModel = SSQLottery
+                fixed_numbers = {'red': [4, 6, 7, 12, 18, 19], 'blue': [9]}
+            else:  # 昨天是周五，休息日，没有投注
+                logger.info("昨日是周五休息日，没有投注记录，跳过中奖检查")
+                return
+
             db = SessionLocal()
             try:
                 target_batch_id_pattern = f"{yesterday.strftime('%Y%m%d')}%"
                 bet_records = db.query(BetModel).filter(
                     BetModel.batch_id.like(target_batch_id_pattern)
                 ).all()
+
+                # 先执行中奖检查更新
                 self.updater.check_and_update_bet_wins(lottery_type, db)
+
+                # 重新查询更新后的记录
                 updated_records = db.query(BetModel).filter(
                     BetModel.batch_id.like(target_batch_id_pattern)
                 ).all()
+
+                # 查询昨天的开奖数据
                 last_draw = db.query(LotteryModel).filter(
                     LotteryModel.open_time == yesterday.date()).first()
+
                 open_code_str = ""
                 if last_draw:
                     if lottery_type == 'ssq':
@@ -258,6 +271,7 @@ class LotteryScheduler:
                         red_str = ' '.join(f"{n:02d}" for n in open_red)
                         blue_str = ' '.join(f"{n:02d}" for n in open_blue)
                         open_code_str = f"{red_str} | {blue_str}"
+
                 # 固定号码开奖比对
                 fixed_result = None
                 if last_draw: