diff --git a/app/Http/Controllers/BaccaratController.php b/app/Http/Controllers/BaccaratController.php
index 2f69681..2d2a11a 100644
--- a/app/Http/Controllers/BaccaratController.php
+++ b/app/Http/Controllers/BaccaratController.php
@@ -182,7 +182,7 @@ class BaccaratController extends Controller
             $roomId = $round->room_id ?? 1;
 
             // 格式：🌟 🎲 娜姐 押注了 119 金币（大）！✨
-            $content = "🎲 <b> 【百家乐】{$user->username}</b> 押注了 <b>{$formattedAmount}</b> 金币（{$betLabel}）！✨";
+            $content = "🎲 <b> 【百家乐】【{$user->username}】</b> 押注了 <b>{$formattedAmount}</b> 金币（{$betLabel}）！✨";
             $msg = [
                 'id' => $chatState->nextMessageId($roomId),
                 'room_id' => $roomId,
diff --git a/app/Http/Controllers/HorseRaceController.php b/app/Http/Controllers/HorseRaceController.php
index 4bec537..786d44a 100644
--- a/app/Http/Controllers/HorseRaceController.php
+++ b/app/Http/Controllers/HorseRaceController.php
@@ -205,7 +205,7 @@ class HorseRaceController extends Controller
 
             $chatState = app(ChatStateService::class);
             $formattedAmount = number_format($data['amount']);
-            $content = "🐎 <b>【赛马】{$user->username}</b> 押注了 <b>{$formattedAmount}</b> 金币（{$horseName}）！✨";
+            $content = "🐎 <b>【赛马】【{$user->username}】</b> 押注了 <b>{$formattedAmount}</b> 金币（{$horseName}）！✨";
             $msg = [
                 'id' => $chatState->nextMessageId(1),
                 'room_id' => 1,