diff --git a/src/views/MainLayout.vue b/src/views/MainLayout.vue
index 810c86f0..1c4c9e41 100644
--- a/src/views/MainLayout.vue
+++ b/src/views/MainLayout.vue
@@ -322,7 +322,8 @@ function handleButtonClick() {
 }
 
 // landing page redirect
-const landingPageUrl = () => {
+const landingPageUrl = ref<string>(getLandingUrl());
+function getLandingUrl() {
   if (window.location.hostname === "bmasso.bma.go.th") {
     return `${configParam.landingPageUrl}/landing?mode=dev`;
   } else if (window.location.hostname === "bma-ehr.frappet.com") {
@@ -330,7 +331,7 @@ const landingPageUrl = () => {
   } else {
     return `${configParam.landingPageUrl}/landing?mode=dev`;
   }
-};
+}
 
 /**
  * ฟังก์ชัน watch การเปลี่ยนแปลงของค่า notiTrigger