diff --git a/app/Http/Controllers/ShopController.php b/app/Http/Controllers/ShopController.php
index d1b60c3..14a9620 100644
--- a/app/Http/Controllers/ShopController.php
+++ b/app/Http/Controllers/ShopController.php
@@ -110,24 +110,25 @@ class ShopController extends Controller
                     'lightning' => '⚡',
                     'snow' => '❄️',
                 ];
+                // 赠礼消息文案（简洁精美）
                 $icon = $icons[$result['play_effect']] ?? '✨';
                 $toStr = $targetUsername ? "【{$targetUsername}】" : '全体聊友';
-                $msgText = $message
-                    ? "「{$message}」"
-                    : '';
-                $sysContent = "{$icon} 【{$user->username}】送出了一张 [{$item->name}]，赠给 {$toStr}！{$msgText}";
+                $remarkPart = $message ? " 「{$message}」" : '';
+                $sysContent = "{$icon} {$user->username} 送了一张【{$item->name}】给 {$toStr}！{$remarkPart}";
 
-                // 广播系统消息到公屏（ShouldBroadcastNow 模式）
+                // 广播系统消息到公屏（字段名与前端 appendMessage() 保持一致）
                 $sysMsgEvent = new MessageSent(
                     roomId: $roomId,
                     message: [
                         'id' => 0,
                         'room_id' => $roomId,
-                        'username' => '系统',
+                        'from_user' => '系统传音',   // 触发金色左边框样式（已有处理分支）
+                        'to_user' => '大家',
                         'content' => $sysContent,
-                        'type' => 'sys',
-                        'color' => '#cc6600',
-                        'created_at' => now()->toDateTimeString(),
+                        'font_color' => '#cc6600',
+                        'sent_at' => now()->format('H:i:s'),
+                        'is_secret' => false,
+                        'action' => null,
                     ]
                 );
                 broadcast($sysMsgEvent);