diff --git a/src/pages/05_quotation/QuotationForm.vue b/src/pages/05_quotation/QuotationForm.vue
index aee23b3b..c30d3940 100644
--- a/src/pages/05_quotation/QuotationForm.vue
+++ b/src/pages/05_quotation/QuotationForm.vue
@@ -220,6 +220,10 @@ function closeTab() {
   }
 }
 
+function closeAble() {
+  return window.opener !== null;
+}
+
 async function assignToProductServiceList() {
   const ret = await productServiceStore.fetchProductGroup({
     page: 1,
@@ -911,7 +915,11 @@ function storeDataLocal() {
             @click="closeTab()"
             v-if="quotationFormState.mode === 'edit'"
           />
-          <CancelButton solid @click="closeTab()" v-else />
+          <CancelButton
+            solid
+            @click="closeTab()"
+            v-if="quotationFormState.mode === 'info' && closeAble()"
+          />
           <SaveButton
             v-if="
               quotationFormState.mode === 'create' ||