diff --git a/app/Http/Controllers/V1/User/StatController.php b/app/Http/Controllers/V1/User/StatController.php
index 11bb9c0..1103bfb 100644
--- a/app/Http/Controllers/V1/User/StatController.php
+++ b/app/Http/Controllers/V1/User/StatController.php
@@ -14,13 +14,24 @@ class StatController extends Controller
     public function getTrafficLog(Request $request)
     {
         $startDate = now()->startOfMonth()->timestamp;
+        
+        // Aggregate per-node data into per-day entries for backward compatibility
         $records = StatUser::query()
+            ->select([
+                'user_id',
+                'server_rate',
+                'record_at',
+                'record_type',
+                DB::raw('SUM(u) as u'),
+                DB::raw('SUM(d) as d'),
+            ])
             ->where('user_id', $request->user()->id)
             ->where('record_at', '>=', $startDate)
+            ->groupBy(['user_id', 'server_rate', 'record_at', 'record_type'])
             ->orderBy('record_at', 'DESC')
             ->get();
 
-        $data = TrafficLogResource::collection(collect($records));
+        $data = TrafficLogResource::collection($records);
         return $this->success($data);
     }
 }
diff --git a/app/Http/Controllers/V2/Admin/StatController.php b/app/Http/Controllers/V2/Admin/StatController.php
index e7d615c..f6d6d0a 100644
--- a/app/Http/Controllers/V2/Admin/StatController.php
+++ b/app/Http/Controllers/V2/Admin/StatController.php
@@ -13,6 +13,7 @@ use App\Models\Ticket;
 use App\Models\User;
 use App\Services\StatisticalService;
 use Illuminate\Http\Request;
+use Illuminate\Support\Facades\DB;
 
 class StatController extends Controller
 {
@@ -234,14 +235,31 @@ class StatController extends Controller
         ]);
 
         $pageSize = $request->input('pageSize', 10);
-        $records = StatUser::orderBy('record_at', 'DESC')
+        $page = $request->input('page', 1);
+        
+        // Aggregate per-node data into per-day entries for backward compatibility
+        $query = StatUser::query()
+            ->select([
+                'user_id',
+                'server_rate',
+                'record_at',
+                'record_type',
+                DB::raw('SUM(u) as u'),
+                DB::raw('SUM(d) as d'),
+                DB::raw('MAX(created_at) as created_at'),
+                DB::raw('MAX(updated_at) as updated_at'),
+            ])
             ->where('user_id', $request->input('user_id'))
-            ->paginate($pageSize);
+            ->groupBy(['user_id', 'server_rate', 'record_at', 'record_type'])
+            ->orderBy('record_at', 'DESC');
+        
+        // Manual pagination for grouped query
+        $total = (clone $query)->get()->count();
+        $data = $query->skip(($page - 1) * $pageSize)->take($pageSize)->get();
 
-        $data = $records->items();
         return [
             'data' => $data,
-            'total' => $records->total(),
+            'total' => $total,
         ];
     }