diff --git a/app/Http/Controllers/Admin/AppointmentController.php b/app/Http/Controllers/Admin/AppointmentController.php
index ce22a1a..ac36c65 100644
--- a/app/Http/Controllers/Admin/AppointmentController.php
+++ b/app/Http/Controllers/Admin/AppointmentController.php
@@ -150,7 +150,10 @@ class AppointmentController extends Controller
             ->orderByDesc('login_at')
             ->paginate(30);
 
-        return view('admin.appointments.duty-logs', compact('userPosition', 'logs'));
+        // 计算该任职记录的所有在线时长总和（而非当前页）
+        $totalSeconds = $userPosition->dutyLogs()->sum('duration_seconds');
+
+        return view('admin.appointments.duty-logs', compact('userPosition', 'logs', 'totalSeconds'));
     }
 
     /**