diff --git a/frontend/web-admin/src/views/OrdersPage.vue b/frontend/web-admin/src/views/OrdersPage.vue
index e50cdb6..c87a045 100644
--- a/frontend/web-admin/src/views/OrdersPage.vue
+++ b/frontend/web-admin/src/views/OrdersPage.vue
@@ -334,7 +334,7 @@
                     <td>{{ item.unit || '-' }}</td>
                     <td>{{ computeTotalDemand(item) || item.quantity }}</td>
                     <td>¥{{ Number(item.cost_price || 0).toFixed(2) }}</td>
-                    <td class="money">¥{{ Number(item.cost_amount || 0).toFixed(2) }}</td>
+                    <td class="money">¥{{ (Number(item.quantity || 0) * Number(item.cost_price || 0)).toFixed(2) }}</td>
                   </tr>
                   </tbody>
                   <tbody v-else>