diff --git a/src/views/MainLayout.vue b/src/views/MainLayout.vue
index 13b24ac..1cd9061 100644
--- a/src/views/MainLayout.vue
+++ b/src/views/MainLayout.vue
@@ -234,7 +234,8 @@ function onInfo() {
 }
 
 // landing page redirect
-const landingPageUrl = () => {
+const landingPageUrl = ref<string>(getLandingUrl());
+function getLandingUrl() {
   if (window.location.hostname === "bmasso.bma.go.th") {
     return `${configParam.landingPageUrl}/landing?mode=dev`;
   } else if (window.location.hostname === "bma-ehr.frappet.com") {
@@ -242,7 +243,7 @@ const landingPageUrl = () => {
   } else {
     return `${configParam.landingPageUrl}/landing?mode=dev`;
   }
-};
+}
 </script>
 
 <!-- โครงเว็บ -->