feat: increase support for multiple time zones

* 优化实现方法

apps/backend-mock/api/timezone/setTimezone.ts

@@ -10,5 +10,5 @@ export default eventHandler(async (event) => {
   }
   const { timezone } = await readBody(event);
   setTimezone(timezone);
-  return useResponseSuccess();
+  return useResponseSuccess({});
 });

apps/backend-mock/utils/mock-data.ts

@@ -7,7 +7,7 @@ export interface UserInfo {
   homePath?: string;
 }
 
-export interface TimeZoneOption {
+export interface TimezoneOption {
   offset: number;
   timeZone: string;
 }
@@ -397,7 +397,7 @@ export function getMenuIds(menus: any[]) {
 /**
  * 时区选项
  */
-export const TIME_ZONE_OPTIONS: TimeZoneOption[] = [
+export const TIME_ZONE_OPTIONS: TimezoneOption[] = [
   {
     offset: -5,
     timezone: 'America/New_York',