diff --git a/app/Listeners/Incomes/Invoice/Paid.php b/app/Listeners/Incomes/Invoice/Paid.php
index 30d38ae40..3aa88633d 100644
--- a/app/Listeners/Incomes/Invoice/Paid.php
+++ b/app/Listeners/Incomes/Invoice/Paid.php
@@ -4,8 +4,16 @@ namespace App\Listeners\Incomes\Invoice;
 
 use App\Events\InvoicePaid;
 
-class Paid extends Listener
+use App\Models\Income\Invoice;
+use App\Models\Income\InvoicePayment;
+use App\Models\Income\InvoiceHistory;
+
+use App\Traits\DateTime;
+use Date;
+
+class Paid
 {
+    use DateTime;
 
     /**
      * Handle the event.
@@ -33,10 +41,10 @@ class Paid extends Listener
         if ($request['amount'] > $invoice->amount) {
             $message = trans('messages.error.added', ['type' => trans_choice('general.payment', 1)]);
 
-            return response()->json([
+            return [
                 'success' => false,
                 'error' => $message,
-            ]);
+            ];
         } elseif ($request['amount'] == $invoice->amount) {
             $invoice->invoice_status_code = 'paid';
         } else {
@@ -59,9 +67,9 @@ class Paid extends Listener
 
         InvoiceHistory::create($request->input());
 
-        return response()->json([
+        return [
             'success' => true,
             'error' => false,
-        ]);
+        ];
     }
 }
diff --git a/app/Providers/EventServiceProvider.php b/app/Providers/EventServiceProvider.php
index 7cfcad577..8c0a79fe1 100644
--- a/app/Providers/EventServiceProvider.php
+++ b/app/Providers/EventServiceProvider.php
@@ -24,7 +24,7 @@ class EventServiceProvider extends ServiceProvider
         'Illuminate\Auth\Events\Logout' => [
             'App\Listeners\Auth\Logout',
         ],
-        'App\Events\Events\InvoicePaid' => [
+        'App\Events\InvoicePaid' => [
             'App\Listeners\Incomes\Invoice\Paid',
         ],
     ];
diff --git a/modules/OfflinePayment/Http/Controllers/OfflinePayment.php b/modules/OfflinePayment/Http/Controllers/OfflinePayment.php
index c2f4b326a..e1a590ff1 100644
--- a/modules/OfflinePayment/Http/Controllers/OfflinePayment.php
+++ b/modules/OfflinePayment/Http/Controllers/OfflinePayment.php
@@ -49,6 +49,6 @@ class OfflinePayment extends Controller
     {
         $result = event(new InvoicePaid($invoice, $request));
 
-        return response()->json($result);
+        return response()->json($result[0]);
     }
 }
diff --git a/modules/OfflinePayment/Http/routes.php b/modules/OfflinePayment/Http/routes.php
index d5cfba100..98282096e 100644
--- a/modules/OfflinePayment/Http/routes.php
+++ b/modules/OfflinePayment/Http/routes.php
@@ -7,7 +7,7 @@ Route::group(['middleware' => ['web', 'auth', 'language', 'adminmenu', 'permissi
     Route::post('settings/delete', 'Settings@delete');
 });
 
-Route::group(['prefix' => 'customers', 'namespace' => 'Modules\OfflinePayment\Http\Controllers'], function () {
+Route::group(['middleware' => ['web', 'auth', 'language', 'customermenu', 'permission:read-customer-panel'], 'prefix' => 'customers', 'namespace' => 'Modules\OfflinePayment\Http\Controllers'], function () {
     Route::get('invoices/{invoice}/offlinepayment', 'OfflinePayment@show');
     Route::post('invoices/{invoice}/offlinepayment/confirm', 'OfflinePayment@confirm');
 });
diff --git a/modules/OfflinePayment/Resources/views/confirm.blade.php b/modules/OfflinePayment/Resources/views/confirm.blade.php
index 695763dae..406a248ea 100644
--- a/modules/OfflinePayment/Resources/views/confirm.blade.php
+++ b/modules/OfflinePayment/Resources/views/confirm.blade.php
@@ -26,6 +26,10 @@
                 $('#button-confirm').button('reset');
             },
             success: function(data) {
+                if (data['error']) {
+                    alert(data['error']);
+                }
+
                 if (data['success']) {
                     location.reload();
                 }