diff --git a/src/pages/08_request-list/RequestListView.vue b/src/pages/08_request-list/RequestListView.vue
index 8e88bd58..b753a907 100644
--- a/src/pages/08_request-list/RequestListView.vue
+++ b/src/pages/08_request-list/RequestListView.vue
@@ -275,6 +275,13 @@ const successAll = computed(() => {
       });
   });
 });
+
+function isInstallmentPaySuccess(installmentNo: number) {
+  const invoice = data.value?.quotation.invoice?.find((lhs) =>
+    lhs.installements.some((rhs) => rhs.no === installmentNo),
+  );
+  return !!(invoice?.payment?.paymentStatus === 'Success');
+}
 </script>
 <template>
   <div class="column surface-0 fullscreen" v-if="data">