diff --git a/app/common/service/GameBetSettleService.php b/app/common/service/GameBetSettleService.php
index 5a1f5a2..d841a48 100644
--- a/app/common/service/GameBetSettleService.php
+++ b/app/common/service/GameBetSettleService.php
@@ -35,6 +35,9 @@ final class GameBetSettleService
     /** 每期每用户 bet.win 去重（与 streak/wallet 分离，避免整期 dedup 吞掉中奖推送） */
     private const BET_WIN_NOTIFY_DEDUP_PREFIX = 'dfw:v1:ws:betwin:';
 
+    /** jackpot.hit 去重（独立于 settleNotify，避免 recover/补偿路径漏广播） */
+    private const JACKPOT_HIT_DEDUP_PREFIX = 'dfw:v1:ws:jackpot_hit:';
+
     /**
      * 对指定期次按开奖号码结算所有「待开奖」注单；同一注单幂等（仅 status=1 会更新）。
      *
@@ -435,13 +438,40 @@ final class GameBetSettleService
         if ($jackpotHits === [] || $periodId <= 0 || $resultNumber < 1) {
             return;
         }
-        GameWebSocketEventBus::publish(self::TOPIC_JACKPOT_HIT, [
+        $dedupKey = self::JACKPOT_HIT_DEDUP_PREFIX . $periodId;
+        try {
+            $already = Redis::get($dedupKey);
+            if ($already !== false && $already !== null && $already !== '') {
+                return;
+            }
+        } catch (Throwable) {
+            // ignore
+        }
+
+        $ok = GameWebSocketEventBus::publish(self::TOPIC_JACKPOT_HIT, [
             'period_id' => $periodId,
             'period_no' => $periodNo,
             'result_number' => $resultNumber,
             'hits' => $jackpotHits,
             'server_time' => time(),
         ]);
+        if ($ok) {
+            try {
+                Redis::setEx($dedupKey, 86400, '1');
+            } catch (Throwable) {
+            }
+            Log::channel('ws')->info('jackpot.hit published', [
+                'period_id' => $periodId,
+                'period_no' => $periodNo,
+                'result_number' => $resultNumber,
+                'hit_count' => count($jackpotHits),
+            ]);
+        } else {
+            Log::channel('ws')->warning('jackpot.hit publish failed', [
+                'period_id' => $periodId,
+                'period_no' => $periodNo,
+            ]);
+        }
     }
 
     /**
@@ -473,6 +503,10 @@ final class GameBetSettleService
             }
         }
 
+        // jackpot.hit 独立去重：即使 settleNotify 已被占位（recover/补偿路径）也允许补广播一次
+        $jackpotHits = is_array($settleOut['jackpot_hits'] ?? null) ? $settleOut['jackpot_hits'] : [];
+        self::publishJackpotHitsAfterCommit($jackpotHits, $periodId, $periodNo, $resultNumber);
+
         if (($settledCount !== false && $settledCount > 0) || $hasStreak || $hasWallet) {
             if (self::markSettlementNotifyOnce($periodId)) {
                 $streakEvents = is_array($settleOut['user_streak_events'] ?? null) ? $settleOut['user_streak_events'] : [];
@@ -500,9 +534,6 @@ final class GameBetSettleService
                     }
                     GameWebSocketEventBus::publish('wallet.changed', GameWebSocketPayloadHelper::mergeUserStreakInto($payload, $userId));
                 }
-
-                $jackpotHits = is_array($settleOut['jackpot_hits'] ?? null) ? $settleOut['jackpot_hits'] : [];
-                self::publishJackpotHitsAfterCommit($jackpotHits, $periodId, $periodNo, $resultNumber);
             }
         }
 
diff --git a/app/common/service/GameWebSocketPayloadHelper.php b/app/common/service/GameWebSocketPayloadHelper.php
index da21e05..1d60af1 100644
--- a/app/common/service/GameWebSocketPayloadHelper.php
+++ b/app/common/service/GameWebSocketPayloadHelper.php
@@ -125,8 +125,17 @@ final class GameWebSocketPayloadHelper
         if ($userId <= 0) {
             return $payload;
         }
+        // 注意：部分业务事件（尤其 bet.win）的 is_jackpot 语义为“本期中奖是否大奖”，
+        // 而赔率字段 is_jackpot 语义为“下一注下注是否处于大奖档”。二者字段名相同但语义不同，
+        // 这里以 payload 里已有字段为准，避免被 userStreakData 覆盖导致“1胜被误判为中大奖”。
+        $streak = self::userStreakData($userId, $currentStreak);
+        foreach ($streak as $k => $v) {
+            if (!array_key_exists($k, $payload)) {
+                $payload[$k] = $v;
+            }
+        }
 
-        return array_merge($payload, self::userStreakData($userId, $currentStreak));
+        return $payload;
     }
 
     /**