diff --git a/src/pages/05_quotation/preview/ViewHeader.vue b/src/pages/05_quotation/preview/ViewHeader.vue
index 83c98eab..932bef75 100644
--- a/src/pages/05_quotation/preview/ViewHeader.vue
+++ b/src/pages/05_quotation/preview/ViewHeader.vue
@@ -130,7 +130,10 @@ function titleMode(mode: View): string {
       </div>
       <div>
         <div>{{ $t('quotation.contactName') }}</div>
-        <div>{{ details.contactName }}</div>
+        <div>
+          {{ details.contactName ? details.contactName : '-' }}
+          {{ details.contactTel }}
+        </div>
       </div>
       <div>
         <div>{{ $t('quotation.receiptDialog.paymentDueDate') }}</div>
diff --git a/src/pages/09_task-order/document_view/ViewHeader.vue b/src/pages/09_task-order/document_view/ViewHeader.vue
index 33d76457..0d1a89c3 100644
--- a/src/pages/09_task-order/document_view/ViewHeader.vue
+++ b/src/pages/09_task-order/document_view/ViewHeader.vue
@@ -106,7 +106,7 @@ defineProps<{
       </div>
       <div>
         <div>{{ $t('taskOrder.contacts') }}</div>
-        <div>{{ details.contactName }}</div>
+        <div>{{ details.contactName }} {{ details.contactTel }}</div>
       </div>
     </section>
   </article>