diff --git a/server/app/api/service/LotteryService.php b/server/app/api/service/LotteryService.php
index fd659a7..d167ba5 100644
--- a/server/app/api/service/LotteryService.php
+++ b/server/app/api/service/LotteryService.php
@@ -83,6 +83,47 @@ class LotteryService
         Cache::set($key, json_encode($data), self::EXPIRE);
     }
 
+    /**
+     * 使玩家彩金池 Redis 快照失效（下次 getOrCreate 从库重建）
+     */
+    public static function invalidatePlayerLotteryCache(int $playerId): void
+    {
+        if ($playerId <= 0) {
+            return;
+        }
+        Cache::delete(self::getRedisKey($playerId));
+    }
+
+    /**
+     * 若 Redis 中已有该玩家彩金池快照，则仅更新 player_weights（避免全量重建）
+     *
+     * @param array{t1_weight?:int,t2_weight?:int,t3_weight?:int,t4_weight?:int,t5_weight?:int} $weights
+     */
+    public static function patchPlayerWeightsCache(int $playerId, array $weights): void
+    {
+        if ($playerId <= 0) {
+            return;
+        }
+        $key = self::getRedisKey($playerId);
+        $cached = Cache::get($key);
+        if (!$cached || !is_string($cached)) {
+            return;
+        }
+        $data = json_decode($cached, true);
+        if (!is_array($data)) {
+            Cache::delete($key);
+            return;
+        }
+        $data['player_weights'] = [
+            't1_weight' => (int) ($weights['t1_weight'] ?? 0),
+            't2_weight' => (int) ($weights['t2_weight'] ?? 0),
+            't3_weight' => (int) ($weights['t3_weight'] ?? 0),
+            't4_weight' => (int) ($weights['t4_weight'] ?? 0),
+            't5_weight' => (int) ($weights['t5_weight'] ?? 0),
+        ];
+        Cache::set($key, json_encode($data), self::EXPIRE);
+    }
+
     /** 根据奖池配置的 t1_weight..t5_weight 权重随机抽取档位 T1-T5 */
     public static function drawTierByWeights(DiceLotteryPoolConfig $config): string
     {
diff --git a/server/app/dice/logic/lottery_pool_config/DiceLotteryPoolConfigLogic.php b/server/app/dice/logic/lottery_pool_config/DiceLotteryPoolConfigLogic.php
index a9212b5..2ad4413 100644
--- a/server/app/dice/logic/lottery_pool_config/DiceLotteryPoolConfigLogic.php
+++ b/server/app/dice/logic/lottery_pool_config/DiceLotteryPoolConfigLogic.php
@@ -6,9 +6,11 @@
 // +----------------------------------------------------------------------
 namespace app\dice\logic\lottery_pool_config;
 
+use app\api\service\LotteryService;
 use app\dice\helper\AdminScopeHelper;
 use app\dice\helper\ConfigScopeEditHelper;
 use app\dice\model\lottery_pool_config\DiceLotteryPoolConfig;
+use app\dice\model\player\DicePlayer;
 use app\dice\basic\DiceBaseLogic;
 use plugin\saiadmin\exception\ApiException;
 use plugin\saiadmin\utils\Helper;
@@ -39,7 +41,7 @@ class DiceLotteryPoolConfigLogic extends DiceBaseLogic
     {
         $pickedDeptId = AdminScopeHelper::pickRequestDeptId($requestDeptId, $data);
         $deptId = AdminScopeHelper::resolveConfigDeptId($adminInfo, $pickedDeptId);
-        return ConfigScopeEditHelper::updateByPkAndDept(
+        $result = ConfigScopeEditHelper::updateByPkAndDept(
             $this->model,
             $id,
             $deptId,
@@ -48,6 +50,58 @@ class DiceLotteryPoolConfigLogic extends DiceBaseLogic
             $adminInfo,
             $pickedDeptId
         );
+        if ($result) {
+            $pool = DiceLotteryPoolConfig::find($id);
+            if ($pool && $pool->isPlayerDefaultTemplate()) {
+                $this->syncPlayersBoundToPlayerDefaultPool($pool);
+            }
+        }
+        return $result;
+    }
+
+    /**
+     * 修改 playerDefault 后：同步同渠道所有 lottery_config_id 指向该池的玩家 T1–T5 权重，并刷新 Redis 彩金池快照
+     *
+     * @return int 已同步玩家数量
+     */
+    public function syncPlayersBoundToPlayerDefaultPool(DiceLotteryPoolConfig $pool): int
+    {
+        $poolId = (int) ($pool->id ?? 0);
+        if ($poolId <= 0) {
+            return 0;
+        }
+        $weights = [
+            't1_weight' => (int) ($pool->t1_weight ?? 0),
+            't2_weight' => (int) ($pool->t2_weight ?? 0),
+            't3_weight' => (int) ($pool->t3_weight ?? 0),
+            't4_weight' => (int) ($pool->t4_weight ?? 0),
+            't5_weight' => (int) ($pool->t5_weight ?? 0),
+        ];
+        $poolDeptId = AdminScopeHelper::normalizeRecordDeptId($pool->dept_id ?? null);
+
+        $query = DicePlayer::where('lottery_config_id', $poolId);
+        if (AdminScopeHelper::isTemplateDeptId($poolDeptId)) {
+            $query->where(function ($q) {
+                $q->where('dept_id', AdminScopeHelper::DEFAULT_TEMPLATE_DEPT)
+                    ->whereOr('dept_id', null);
+            });
+        } else {
+            $query->where('dept_id', $poolDeptId);
+        }
+
+        $playerIds = $query->column('id');
+        if ($playerIds === [] || $playerIds === null) {
+            return 0;
+        }
+        $ids = array_map('intval', is_array($playerIds) ? $playerIds : [$playerIds]);
+
+        DicePlayer::whereIn('id', $ids)->update($weights);
+
+        foreach ($ids as $playerId) {
+            LotteryService::patchPlayerWeightsCache($playerId, $weights);
+        }
+
+        return count($ids);
     }
 
     /**