diff --git a/src/utils/datetime.ts b/src/utils/datetime.ts
index 2053ea3f..10078144 100644
--- a/src/utils/datetime.ts
+++ b/src/utils/datetime.ts
@@ -128,15 +128,21 @@ export function calculateAge(
   const months = ageDate.getUTCMonth();
   const days = ageDate.getUTCDate() - 1;
 
-  if (only) {
-    return only === 'year' ? years : only === 'months' ? months : days;
+  switch (only) {
+    case 'year':
+      return years;
+    case 'months':
+      return months;
+    case 'days':
+      return days;
+    default:
   }
 
-  const { locale } = i18n.global;
-  if (locale.value === 'tha') {
-    return `${years} ปี ${months !== 0 ? months + ' เดือน' : ''}  ${days !== 0 ? days + ' วัน' : ''} `;
-  } else {
-    return `${years} years ${months !== 0 ? months + ' months' : ''}  ${days !== 0 ? days + ' days' : ''} `;
+  switch (i18n.global.locale.value) {
+    case Lang.Thai:
+      return `${years} ปี ${months !== 0 ? months + ' เดือน' : ''}  ${days !== 0 ? days + ' วัน' : ''}`;
+    default:
+      return `${years} years ${months !== 0 ? months + ' months' : ''}  ${days !== 0 ? days + ' days' : ''} `;
   }
 }