fix

lib/features/invoices/presentation/pages/invoice_detail_page.dart

@@ -169,7 +169,7 @@ class InvoiceDetailPage extends ConsumerWidget {
 
                   // Invoice Number
                   Text(
-                    '#${invoice.name}',
+                    invoice.name,
                     style: TextStyle(
                       fontSize: 20,
                       fontWeight: FontWeight.w600,
@@ -192,7 +192,7 @@ class InvoiceDetailPage extends ConsumerWidget {
                       _MetaItem(label: 'Ngày xuất:', value: invoice.formattedDate),
                       if (invoice.orderId != null) ...[
                         const SizedBox(width: 32),
-                        _MetaItem(label: 'Đơn hàng:', value: '#${invoice.orderId}'),
+                        _MetaItem(label: 'Đơn hàng:', value: '${invoice.orderId}'),
                       ],
                     ],
                   ),

lib/features/invoices/presentation/pages/invoices_page.dart

@@ -209,7 +209,7 @@ class _InvoiceCard extends StatelessWidget {
                       crossAxisAlignment: CrossAxisAlignment.start,
                       children: [
                         Text(
-                          '#${invoice.name}',
+                          invoice.name,
                           style: TextStyle(
                             fontSize: 16,
                             fontWeight: FontWeight.w700,
@@ -252,7 +252,7 @@ class _InvoiceCard extends StatelessWidget {
                     if (invoice.orderId != null)
                       _DetailRow(
                         label: 'Đơn hàng:',
-                        value: '#${invoice.orderId}',
+                        value: '${invoice.orderId}',
                       ),
                     _DetailRow(
                       label: 'Tổng tiền:',