diff --git a/app/Console/Commands/CheckTrafficExceeded.php b/app/Console/Commands/CheckTrafficExceeded.php
new file mode 100644
index 0000000..35a1db6
--- /dev/null
+++ b/app/Console/Commands/CheckTrafficExceeded.php
@@ -0,0 +1,63 @@
+<?php
+
+namespace App\Console\Commands;
+
+use App\Models\Server;
+use App\Models\User;
+use App\Services\NodeSyncService;
+use Illuminate\Console\Command;
+use Illuminate\Support\Facades\Redis;
+
+class CheckTrafficExceeded extends Command
+{
+    protected $signature = 'check:traffic-exceeded';
+    protected $description = '检查流量超标用户并通知节点';
+
+    public function handle()
+    {
+        $count = Redis::scard('traffic:pending_check');
+        if ($count <= 0) {
+            return;
+        }
+
+        $pendingUserIds = array_map('intval', Redis::spop('traffic:pending_check', $count));
+
+        $exceededUsers = User::toBase()
+            ->whereIn('id', $pendingUserIds)
+            ->whereRaw('u + d >= transfer_enable')
+            ->where('transfer_enable', '>', 0)
+            ->where('banned', 0)
+            ->select(['id', 'group_id'])
+            ->get();
+
+        if ($exceededUsers->isEmpty()) {
+            return;
+        }
+
+        $groupedUsers = $exceededUsers->groupBy('group_id');
+        $notifiedCount = 0;
+
+        foreach ($groupedUsers as $groupId => $users) {
+            if (!$groupId) {
+                continue;
+            }
+
+            $userIdsInGroup = $users->pluck('id')->toArray();
+            $servers = Server::whereJsonContains('group_ids', (string) $groupId)->get();
+
+            foreach ($servers as $server) {
+                if (!NodeSyncService::isNodeOnline($server->id)) {
+                    continue;
+                }
+
+                NodeSyncService::push($server->id, 'sync.user.delta', [
+                    'action' => 'remove',
+                    'users' => array_map(fn($id) => ['id' => $id], $userIdsInGroup),
+                ]);
+                $notifiedCount++;
+            }
+        }
+
+        $this->info("Checked " . count($pendingUserIds) . " users, notified {$notifiedCount} nodes for " . $exceededUsers->count() . " exceeded users.");
+    }
+}
diff --git a/app/Console/Kernel.php b/app/Console/Kernel.php
index 710d9b7..49b8ae6 100644
--- a/app/Console/Kernel.php
+++ b/app/Console/Kernel.php
@@ -35,6 +35,7 @@ class Kernel extends ConsoleKernel
         $schedule->command('check:order')->everyMinute()->onOneServer()->withoutOverlapping(5);
         $schedule->command('check:commission')->everyMinute()->onOneServer()->withoutOverlapping(5);
         $schedule->command('check:ticket')->everyMinute()->onOneServer()->withoutOverlapping(5);
+        $schedule->command('check:traffic-exceeded')->everyMinute()->onOneServer()->withoutOverlapping(10);
         // reset
         $schedule->command('reset:traffic')->everyMinute()->onOneServer()->withoutOverlapping(10);
         $schedule->command('reset:log')->daily()->onOneServer();
diff --git a/app/Jobs/TrafficFetchJob.php b/app/Jobs/TrafficFetchJob.php
index 9a01508..1e398aa 100644
--- a/app/Jobs/TrafficFetchJob.php
+++ b/app/Jobs/TrafficFetchJob.php
@@ -8,6 +8,7 @@ use Illuminate\Contracts\Queue\ShouldQueue;
 use Illuminate\Foundation\Bus\Dispatchable;
 use Illuminate\Queue\InteractsWithQueue;
 use Illuminate\Queue\SerializesModels;
+use Illuminate\Support\Facades\Redis;
 
 class TrafficFetchJob implements ShouldQueue
 {
@@ -19,11 +20,6 @@ class TrafficFetchJob implements ShouldQueue
     public $tries = 1;
     public $timeout = 20;
 
-    /**
-     * Create a new job instance.
-     *
-     * @return void
-     */
     public function __construct(array $server, array $data, $protocol, int $timestamp)
     {
         $this->onQueue('traffic_fetch');
@@ -35,6 +31,8 @@ class TrafficFetchJob implements ShouldQueue
 
     public function handle(): void
     {
+        $userIds = array_keys($this->data);
+
         foreach ($this->data as $uid => $v) {
             User::where('id', $uid)
                 ->incrementEach(
@@ -45,5 +43,9 @@ class TrafficFetchJob implements ShouldQueue
                     ['t' => time()]
                 );
         }
+
+        if (!empty($userIds)) {
+            Redis::sadd('traffic:pending_check', ...$userIds);
+        }
     }
 }
diff --git a/app/Services/NodeSyncService.php b/app/Services/NodeSyncService.php
index 9dace84..ebab769 100644
--- a/app/Services/NodeSyncService.php
+++ b/app/Services/NodeSyncService.php
@@ -13,7 +13,7 @@ class NodeSyncService
     /**
      * Check if node has active WS connection
      */
-    private static function isNodeOnline(int $nodeId): bool
+    public static function isNodeOnline(int $nodeId): bool
     {
         return (bool) Cache::get("node_ws_alive:{$nodeId}");
     }
@@ -125,7 +125,7 @@ class NodeSyncService
     /**
      * Publish a push command to Redis — picked up by the Workerman WS server
      */
-    private static function push(int $nodeId, string $event, array $data): void
+    public static function push(int $nodeId, string $event, array $data): void
     {
         try {
             Redis::publish('node:push', json_encode([
diff --git a/public/assets/admin b/public/assets/admin
index cbad22a..878489d 160000
--- a/public/assets/admin
+++ b/public/assets/admin
@@ -1 +1 @@
-Subproject commit cbad22a3cd4ae247866a264dcd72aa93c0de1e62
+Subproject commit 878489d9a5466edcf1562426895e3b4cf1dce6c6