diff --git a/src/pages/invoice/Detail.tsx b/src/pages/invoice/Detail.tsx
index 7b8799d..a09ed0d 100644
--- a/src/pages/invoice/Detail.tsx
+++ b/src/pages/invoice/Detail.tsx
@@ -13,6 +13,7 @@ import type { InvoiceItem as ApiInvoiceItem } from './types/InvoiceTypes'
 import { Paths } from '@/config/Paths'
 import { useGetPaymentInvoice } from '../payment/hooks/usePaymentData'
 import InvoicePaymentList from './InvoicePaymentList'
+import { formatItemDiscountDisplay } from './utils/invoiceItem'
 
 interface TableInvoiceItem extends RowDataType {
     id: string
@@ -20,7 +21,8 @@ interface TableInvoiceItem extends RowDataType {
     title: string
     quantity: string
     unitPrice: string
-    discount: string
+    discountValue: string
+    discountPercent: string
     totalPrice: string
     confirmed: boolean
     confirmedAt: string | null
@@ -57,17 +59,20 @@ const InvoiceDetail: FC = () => {
         : null
 
     const items: TableInvoiceItem[] =
-        invoice?.items?.map((item: ApiInvoiceItem) => ({
+        invoice?.items?.map((item: ApiInvoiceItem) => {
+            const discounts = formatItemDiscountDisplay(item)
+            return {
             id: item.id,
             image: item.product?.images?.[0] ?? null,
             title: item.product?.title || '-',
             quantity: String(item.quantity),
             unitPrice: formatPrice(item.unitPrice),
-            discount: item.discount ? `${NumberFormat(item.discount)}٪` : '۰',
+            discountValue: discounts.value,
+            discountPercent: discounts.percent,
             totalPrice: formatPrice(item.total ?? 0),
             confirmed: !!item.confirmedAt,
             confirmedAt: item.confirmedAt,
-        })) ?? []
+        }}) ?? []
 
     const handlePrint = () => {
         window.print()
@@ -97,8 +102,12 @@ const InvoiceDetail: FC = () => {
             title: 'مبلغ واحد',
         },
         {
-            key: 'discount',
-            title: 'تخفیف',
+            key: 'discountValue',
+            title: 'تخفیف (مبلغ)',
+        },
+        {
+            key: 'discountPercent',
+            title: 'تخفیف (درصد)',
         },
         {
             key: 'totalPrice',
@@ -253,10 +262,10 @@ const InvoiceDetail: FC = () => {
                             <span className='text-[#8C90A3]'>جمع کل:</span>
                             <span className='text-black font-medium'>{formatPrice(invoice.subTotal)}</span>
                         </div>
-                        {invoice.discount > 0 && (
+                        {(invoice.discount ?? 0) > 0 && (
                             <div className='flex justify-between text-xs'>
                                 <span className='text-[#8C90A3]'>تخفیف:</span>
-                                <span className='text-black'>{formatPrice(invoice.discount)}</span>
+                                <span className='text-black'>{formatPrice(invoice.discount ?? 0)}</span>
                             </div>
                         )}
                         {invoice.enableTax && invoice.taxAmount > 0 && (
diff --git a/src/pages/invoice/types/InvoiceTypes.ts b/src/pages/invoice/types/InvoiceTypes.ts
index 47cb06a..c05b0ae 100644
--- a/src/pages/invoice/types/InvoiceTypes.ts
+++ b/src/pages/invoice/types/InvoiceTypes.ts
@@ -45,7 +45,8 @@ export type InvoiceItem = {
   quantity: number;
   unitPrice: number;
   subTotal: number | null;
-  discount: number;
+  discount: number | null;
+  discountPercent: number | null;
   total: number | null;
   description: string | null;
   confirmedAt: string | null;
@@ -58,7 +59,7 @@ export type Invoice = {
   user: InvoiceUser;
   request: InvoiceRequest;
   invoiceNumber: number;
-  discount: number;
+  discount: number | null;
   subTotal: number;
   taxAmount: number;
   total: number;
diff --git a/src/pages/invoice/utils/invoiceItem.ts b/src/pages/invoice/utils/invoiceItem.ts
new file mode 100644
index 0000000..8b1e729
--- /dev/null
+++ b/src/pages/invoice/utils/invoiceItem.ts
@@ -0,0 +1,12 @@
+import { NumberFormat } from '@/config/func';
+import type { InvoiceItem } from '../types/InvoiceTypes';
+
+export function formatItemDiscountDisplay(item: Pick<InvoiceItem, 'discount' | 'discountPercent'>): {
+  value: string;
+  percent: string;
+} {
+  return {
+    value: item.discount != null && item.discount > 0 ? `${NumberFormat(item.discount)} ریال` : '-',
+    percent: item.discountPercent != null && item.discountPercent > 0 ? `${item.discountPercent}٪` : '-',
+  };
+}