diff --git a/src/pages/05_quotation/peview/ViewForm.vue b/src/pages/05_quotation/peview/ViewForm.vue
index b730563b..510f0b0b 100644
--- a/src/pages/05_quotation/peview/ViewForm.vue
+++ b/src/pages/05_quotation/peview/ViewForm.vue
@@ -159,16 +159,18 @@ onMounted(async () => {
 
   data.value = JSON.parse(sessionStorage.getItem('quotation-preview') || '{}');
 
-  productList.value = data.value?.productServiceList.map((v) => ({
-    id: v.product.id,
-    code: v.product.code,
-    detail: v.product.detail,
-    amount: v.amount,
-    priceUnit: v.pricePerUnit,
-    discount: v.discount,
-    vat: v.vat,
-    value: 0,
-  }));
+  if (data.value) {
+    productList.value = data.value?.productServiceList.map((v) => ({
+      id: v.product.id,
+      code: v.product.code,
+      detail: v.product.detail,
+      amount: v.amount,
+      priceUnit: v.pricePerUnit || 0,
+      discount: v.discount || 0,
+      vat: v.vat || 0,
+      value: 0,
+    }));
+  }
 
   summaryPrice.value = obj.productServiceList.reduce(
     (a, c) => {