diff --git a/app/Filament/Widgets/InvoiceDataChart.php b/app/Filament/Widgets/InvoiceDataChart.php
index f41e0b7..dc195e7 100644
--- a/app/Filament/Widgets/InvoiceDataChart.php
+++ b/app/Filament/Widgets/InvoiceDataChart.php
@@ -223,7 +223,11 @@ class InvoiceDataChart extends ChartWidget
         elseif ($selectedDistribution == 'Challan')
         {
            $totalInvoices = InvoiceDataValidation::where('plant_id', $selectedPlant)
-                ->where('distribution_channel_desc', $selectedDistribution)
+                //->where('distribution_channel_desc', $selectedDistribution)
+                ->where(function ($query) {
+                    $query->whereNull('distribution_channel_desc')
+                        ->orWhere('distribution_channel_desc', '');
+                })
                 ->whereBetween('document_date', [$startDate, $endDate])
                 ->distinct('document_number')
                 ->pluck('document_number')