diff --git a/app/Events/MessageSent.php b/app/Events/MessageSent.php
index 4d26333..5cbe5be 100644
--- a/app/Events/MessageSent.php
+++ b/app/Events/MessageSent.php
@@ -12,11 +12,11 @@ namespace App\Events;
 
 use Illuminate\Broadcasting\InteractsWithSockets;
 use Illuminate\Broadcasting\PresenceChannel;
-use Illuminate\Contracts\Broadcasting\ShouldBroadcast;
+use Illuminate\Contracts\Broadcasting\ShouldBroadcastNow;
 use Illuminate\Foundation\Events\Dispatchable;
 use Illuminate\Queue\SerializesModels;
 
-class MessageSent implements ShouldBroadcast
+class MessageSent implements ShouldBroadcastNow
 {
     use Dispatchable, InteractsWithSockets, SerializesModels;
 
diff --git a/app/Http/Controllers/ShopController.php b/app/Http/Controllers/ShopController.php
index d38857d..d1b60c3 100644
--- a/app/Http/Controllers/ShopController.php
+++ b/app/Http/Controllers/ShopController.php
@@ -117,8 +117,8 @@ class ShopController extends Controller
                     : '';
                 $sysContent = "{$icon} 【{$user->username}】送出了一张 [{$item->name}]，赠给 {$toStr}！{$msgText}";
 
-                // 广播系统消息到公屏
-                broadcast(new MessageSent(
+                // 广播系统消息到公屏（ShouldBroadcastNow 模式）
+                $sysMsgEvent = new MessageSent(
                     roomId: $roomId,
                     message: [
                         'id' => 0,
@@ -129,7 +129,8 @@ class ShopController extends Controller
                         'color' => '#cc6600',
                         'created_at' => now()->toDateTimeString(),
                     ]
-                ));
+                );
+                broadcast($sysMsgEvent);
             }
         }
 
diff --git a/resources/views/chat/partials/toolbar.blade.php b/resources/views/chat/partials/toolbar.blade.php
index 93b9ce5..7ad21ce 100644
--- a/resources/views/chat/partials/toolbar.blade.php
+++ b/resources/views/chat/partials/toolbar.blade.php
@@ -870,8 +870,10 @@
             const recipient = document.getElementById('gift-recipient').value.trim();
             const message = document.getElementById('gift-message').value.trim();
             document.getElementById('gift-err').textContent = '';
+            // 先将商品数据保存到局部变量，再关闭弹框（closeGiftDialog 会把 _giftItem 设为 null）
+            const item = _giftItem;
             closeGiftDialog();
-            buyItem(_giftItem.id, _giftItem.name, _giftItem.price, recipient, message);
+            buyItem(item.id, item.name, item.price, recipient, message);
         };
 
         /** 购买商品（最终执行） */