diff --git a/src/widget/timezone-modal/data.ts b/src/widget/timezone-modal/data.ts
index f56d4de..0499cbc 100644
--- a/src/widget/timezone-modal/data.ts
+++ b/src/widget/timezone-modal/data.ts
@@ -16,49 +16,34 @@ import i18n from '../../i18n'
 
 import { SelectDataSourceItem } from '../../component'
 
-export function translateTimezone (timezone: string, locale: string): string {
-  switch (timezone) {
-    case 'Etc/UTC': return i18n('utc', locale)
-    case 'Pacific/Honolulu': return i18n('honolulu', locale)
-    case 'America/Juneau': return i18n('juneau', locale)
-    case 'America/Los_Angeles': return i18n('los_angeles', locale)
-    case 'America/Chicago': return i18n('chicago', locale)
-    case'America/Toronto': return i18n('toronto', locale)
-    case 'America/Sao_Paulo': return i18n('sao_paulo', locale)
-    case 'Europe/London': return i18n('london', locale)
-    case 'Europe/Berlin': return i18n('berlin', locale)
-    case 'Asia/Bahrain': return i18n('bahrain', locale)
-    case 'Asia/Dubai': return i18n('dubai', locale)
-    case 'Asia/Ashkhabad': return i18n('ashkhabad', locale)
-    case 'Asia/Almaty': return i18n('almaty', locale)
-    case 'Asia/Bangkok': return i18n('bangkok', locale)
-    case 'Asia/Shanghai': return i18n('shanghai', locale)
-    case 'Asia/Tokyo': return i18n('tokyo', locale)
-    case 'Australia/Sydney': return i18n('sydney', locale)
-    case 'Pacific/Norfolk': return i18n('norfolk', locale)
-  }
-  return timezone
+const data: Record<string, string> = {
+  'Etc/UTC': 'utc',
+  'Pacific/Honolulu': 'honolulu',
+  'America/Juneau': 'juneau',
+  'America/Los_Angeles': 'los_angeles',
+  'America/Chicago': 'chicago',
+  'America/Toronto': 'toronto',
+  'America/Sao_Paulo': 'sao_paulo',
+  'Europe/London': 'london',
+  'Europe/Berlin': 'berlin',
+  'Asia/Bahrain': 'bahrain',
+  'Asia/Dubai': 'dubai',
+  'Asia/Ashkhabad': 'ashkhabad',
+  'Asia/Almaty': 'almaty',
+  'Asia/Bangkok': 'bangkok',
+  'Asia/Shanghai': 'shanghai',
+  'Asia/Tokyo': 'tokyo',
+  'Australia/Sydney': 'sydney',
+  'Pacific/Norfolk': 'norfolk'
 }
 
-export function createTimezoneSelectOptions (locale: string): SelectDataSourceItem[] {
-  return [
-    { key: 'Etc/UTC', text: i18n('utc', locale) },
-    { key: 'Pacific/Honolulu', text: i18n('honolulu', locale) },
-    { key: 'America/Juneau', text: i18n('juneau', locale) },
-    { key: 'America/Los_Angeles', text: i18n('los_angeles', locale) },
-    { key: 'America/Chicago', text: i18n('chicago', locale) },
-    { key: 'America/Toronto', text: i18n('toronto', locale) },
-    { key: 'America/Sao_Paulo', text: i18n('sao_paulo', locale) },
-    { key: 'Europe/London', text: i18n('london', locale) },
-    { key: 'Europe/Berlin', text: i18n('berlin', locale) },
-    { key: 'Asia/Bahrain', text: i18n('bahrain', locale) },
-    { key: 'Asia/Dubai', text: i18n('dubai', locale) },
-    { key: 'Asia/Ashkhabad', text: i18n('ashkhabad', locale) },
-    { key: 'Asia/Almaty', text: i18n('almaty', locale) },
-    { key: 'Asia/Bangkok', text: i18n('bangkok', locale) },
-    { key: 'Asia/Shanghai', text: i18n('shanghai', locale) },
-    { key: 'Asia/Tokyo', text: i18n('tokyo', locale) },
-    { key: 'Australia/Sydney', text: i18n('sydney', locale) },
-    { key: 'Pacific/Norfolk', text: i18n('norfolk', locale) }
-  ]
+export function translateTimezone(timezone: string, locale: string): string {
+  return i18n(data[timezone], locale)
+}
+
+export function createTimezoneSelectOptions(locale: string): SelectDataSourceItem[] {
+  return Object.keys(data).map(key => ({
+    key: key,
+    text: i18n(data[key], locale)
+  }))
 }
\ No newline at end of file