diff --git a/app/Http/Controllers/ChatController.php b/app/Http/Controllers/ChatController.php
index 4097b40..fe03245 100644
--- a/app/Http/Controllers/ChatController.php
+++ b/app/Http/Controllers/ChatController.php
@@ -71,7 +71,28 @@ class ChatController extends Controller
         // 2. 广播 UserJoined 事件，通知房间内的其他人
         broadcast(new UserJoined($id, $user->username, $userData))->toOthers();
 
-        // 3. 获取历史消息用于初次渲染
+        // 3. 管理员（superlevel）进入时：触发全房间烟花特效 + 公屏欢迎公告
+        if ($user->user_level >= $superLevel) {
+            // 广播烟花特效给所有在线用户
+            broadcast(new \App\Events\EffectBroadcast($id, 'fireworks', $user->username));
+
+            // 发送欢迎公告消息（使用系统公告样式）
+            $welcomeMsg = [
+                'id'        => $this->chatState->nextMessageId($id),
+                'room_id'   => $id,
+                'from_user' => '系统公告',
+                'to_user'   => '大家',
+                'content'   => "🎉 欢迎管理员 <b>{$user->username}</b> 驾临本聊天室！请各位文明聊天！",
+                'is_secret' => false,
+                'font_color' => '#b91c1c',
+                'action'    => '',
+                'sent_at'   => now()->toDateTimeString(),
+            ];
+            $this->chatState->pushMessage($id, $welcomeMsg);
+            broadcast(new MessageSent($id, $welcomeMsg));
+        }
+
+        // 4. 获取历史消息用于初次渲染
         // TODO: 可在前端通过请求另外的接口拉取历史记录，或者直接在这里 attach
 
         // 渲染主聊天框架视图
diff --git a/resources/views/chat/partials/scripts.blade.php b/resources/views/chat/partials/scripts.blade.php
index a874dbc..24e716d 100644
--- a/resources/views/chat/partials/scripts.blade.php
+++ b/resources/views/chat/partials/scripts.blade.php
@@ -405,6 +405,13 @@
             onlineUsers[u.username] = u;
         });
         renderUserList();
+
+        // 管理员自己进房时，在本地播放烟花（服务端广播可能在 WS 连上前已发出）
+        const ctx = window.chatContext;
+        if (ctx && ctx.userLevel >= ctx.superLevel && typeof EffectManager !== 'undefined') {
+            // 延迟 800ms 确保页面渲染完成再播特效
+            setTimeout(() => EffectManager.play('fireworks'), 800);
+        }
     });
 
     window.addEventListener('chat:joining', (e) => {