diff --git a/app/Jobs/AiBaccaratBetJob.php b/app/Jobs/AiBaccaratBetJob.php
index 14261e8..2cc308a 100644
--- a/app/Jobs/AiBaccaratBetJob.php
+++ b/app/Jobs/AiBaccaratBetJob.php
@@ -174,6 +174,14 @@ class AiBaccaratBetJob implements ShouldQueue
             return;
         }
 
+        // 二次校验，防止大模型接口调用太慢导致下注时该局已关闭
+        $round->refresh();
+        if (! $round->isBettingOpen()) {
+            Log::channel('daily')->warning("AI小班长百家乐下注拦截：由于AI接口思考耗时，这局#{$round->id}投注已截止。");
+
+            return;
+        }
+
         // 6. 执行下注 (同 BaccaratController::bet 逻辑)
         DB::transaction(function () use ($user, $round, $betType, $amount, $currency) {
             // 幂等：同一局只能下一注