diff --git a/lib/utils/time.ts b/lib/utils/time.ts
index b779029..04bbc8d 100644
--- a/lib/utils/time.ts
+++ b/lib/utils/time.ts
@@ -1,3 +1,35 @@
+import type { InjectionKey } from "vue";
+
 export function nowIso() {
   return new Date().toISOString();
 }
+
+export const SITE_TIMEZONE_KEY: InjectionKey<string> = Symbol("siteTimezone");
+
+export function formatDateInTimezone(value: string | Date, timezone: string): string {
+  return new Date(value).toLocaleString("zh-CN", { timeZone: timezone });
+}
+
+function parseDateInTimezone(date: string | Date, timezone: string) {
+  const parts = new Intl.DateTimeFormat("en-US", {
+    timeZone: timezone,
+    year: "numeric",
+    month: "2-digit",
+    day: "2-digit",
+  }).formatToParts(new Date(date));
+  return {
+    year: Number(parts.find((p) => p.type === "year")?.value),
+    month: Number(parts.find((p) => p.type === "month")?.value) - 1,
+    day: Number(parts.find((p) => p.type === "day")?.value),
+  };
+}
+
+export function getStartOfDay(date: string | Date, timezone: string): Date {
+  const { year, month, day } = parseDateInTimezone(date, timezone);
+  return new Date(Date.UTC(year, month, day));
+}
+
+export function getEndOfDay(date: string | Date, timezone: string): Date {
+  const { year, month, day } = parseDateInTimezone(date, timezone);
+  return new Date(Date.UTC(year, month, day, 23, 59, 59, 999));
+}
diff --git a/modules/email/service.ts b/modules/email/service.ts
index da95d92..08fcffc 100644
--- a/modules/email/service.ts
+++ b/modules/email/service.ts
@@ -786,7 +786,7 @@ export async function sendTestEmail(input: {
     toEmail: validated.toEmail,
     values: {
       siteName: site.siteName,
-      sentAt: new Date().toLocaleString("zh-CN"),
+      sentAt: new Date().toLocaleString("zh-CN", { timeZone: site.timezone || "Asia/Shanghai" }),
       customContent: validated.customContent,
     },
     triggeredBy: `admin:${adminId || 0}`,
diff --git a/modules/inventory/repository.ts b/modules/inventory/repository.ts
index 911a5b3..1d39d01 100644
--- a/modules/inventory/repository.ts
+++ b/modules/inventory/repository.ts
@@ -1,4 +1,5 @@
 import type { PrismaClient, Prisma, CardStatus } from "../../generated/prisma/client";
+import { getEndOfDay, getStartOfDay } from "../../lib/utils/time";
 
 export function listCardRecords(prisma: PrismaClient) {
   return prisma.card.findMany({
@@ -74,6 +75,7 @@ export function listCardRecordsPaged(
     endDate?: string;
     page: number;
     pageSize: number;
+    timezone?: string;
   },
 ) {
   const where: Prisma.CardWhereInput = {};
@@ -82,11 +84,9 @@ export function listCardRecordsPaged(
   if (params.status) where.status = params.status as CardStatus;
   if (params.startDate || params.endDate) {
     where.createdAt = {};
-    if (params.startDate) where.createdAt.gte = new Date(params.startDate);
+    if (params.startDate) where.createdAt.gte = getStartOfDay(params.startDate, params.timezone || "Asia/Shanghai");
     if (params.endDate) {
-      const end = new Date(params.endDate);
-      end.setHours(23, 59, 59, 999);
-      where.createdAt.lte = end;
+      where.createdAt.lte = getEndOfDay(params.endDate, params.timezone || "Asia/Shanghai");
     }
   }
   const skip = (params.page - 1) * params.pageSize;
diff --git a/modules/inventory/service.ts b/modules/inventory/service.ts
index 0bdd373..c39d7b8 100644
--- a/modules/inventory/service.ts
+++ b/modules/inventory/service.ts
@@ -2,6 +2,7 @@ import { getContext } from "telefunc";
 import type { PrismaClient } from "../../generated/prisma/client";
 import { badRequestError } from "../../lib/app-error";
 import { getAdminContext, logAdminOperation } from "../auth/service";
+import { getSiteSetting } from "../site/service";
 import { parseCardLines } from "./importer";
 import { countCardStats, createCardRecord, createManyCards, deleteCardById, deleteUnusedCardsByProduct, listCardRecords, listCardRecordsPaged, findExistingCardContents } from "./repository";
 
@@ -233,7 +234,8 @@ export async function getAdminCardsPaged(params: {
   pageSize: number;
 }) {
   const { prisma } = getAdminContext();
-  const [cards, total] = await listCardRecordsPaged(prisma, params);
+  const site = await getSiteSetting(prisma);
+  const [cards, total] = await listCardRecordsPaged(prisma, { ...params, timezone: site.timezone || "Asia/Shanghai" });
   return {
     total,
     items: cards.map((item) => ({
diff --git a/modules/order/service.ts b/modules/order/service.ts
index 9d6496a..9e98f94 100644
--- a/modules/order/service.ts
+++ b/modules/order/service.ts
@@ -11,6 +11,8 @@ import { closeOrderRecord, createOrderRecord, findOrderById, findOrderWithProduc
 import { generateOrderNo, generateQueryToken } from "./number";
 import { logger } from "../../lib/logger";
 import { validateDiscountCode, calculateDiscount, applyDiscountCode } from "../discount/service";
+import { getSiteSetting } from "../site/service";
+import { getStartOfDay as getStartOfDayUtil } from "../../lib/utils/time";
 
 function getOrderContext() {
   return getContext<{ prisma: PrismaClient }>();
@@ -399,8 +401,8 @@ export async function closeOrder(orderId: number) {
 
 export async function getDashboardMetrics(prisma?: PrismaClient) {
   const client = prisma ?? getOrderContext().prisma;
-  const today = new Date();
-  today.setHours(0, 0, 0, 0);
+  const siteSetting = await getSiteSetting(client);
+  const today = getStartOfDayUtil(new Date(), siteSetting.timezone!);
 
   const [todayOrders, paidTodayOrders, productCount, availableCards] = await Promise.all([
     client.order.count({
diff --git a/modules/site/repository.ts b/modules/site/repository.ts
index eb9244c..125a788 100644
--- a/modules/site/repository.ts
+++ b/modules/site/repository.ts
@@ -20,6 +20,7 @@ export function upsertSiteSettingRecord(
     orderNotice?: string | null;
     headCode?: string | null;
     footerCode?: string | null;
+    timezone?: string | null;
   },
 ) {
   return prisma.siteSetting.upsert({
@@ -37,6 +38,7 @@ export function upsertSiteSettingRecord(
       orderNotice: input.orderNotice ?? null,
       headCode: input.headCode ?? null,
       footerCode: input.footerCode ?? null,
+      timezone: input.timezone ?? null,
     },
     update: {
       siteName: input.siteName,
@@ -50,6 +52,7 @@ export function upsertSiteSettingRecord(
       orderNotice: input.orderNotice ?? null,
       headCode: input.headCode ?? null,
       footerCode: input.footerCode ?? null,
+      timezone: input.timezone ?? null,
     },
   });
 }
diff --git a/modules/site/service.ts b/modules/site/service.ts
index f5557de..3248215 100644
--- a/modules/site/service.ts
+++ b/modules/site/service.ts
@@ -17,6 +17,7 @@ const defaultSiteSetting = {
   orderNotice: null,
   headCode: null,
   footerCode: null,
+  timezone: "Asia/Shanghai",
 };
 
 function normalizeSetting(record: Awaited<ReturnType<typeof getSiteSettingRecord>>) {
@@ -36,6 +37,7 @@ function normalizeSetting(record: Awaited<ReturnType<typeof getSiteSettingRecord
     orderNotice: record.orderNotice,
     headCode: record.headCode,
     footerCode: record.footerCode,
+    timezone: record.timezone ?? "Asia/Shanghai",
   };
 }
 
@@ -67,6 +69,7 @@ export async function saveSiteSetting(input: SiteSettingInput) {
     orderNotice: input.orderNotice?.trim() || null,
     headCode: input.headCode ?? null,
     footerCode: input.footerCode ?? null,
+    timezone: input.timezone?.trim() || null,
   });
 
   await logAdminOperation(
diff --git a/modules/site/types.ts b/modules/site/types.ts
index 281c8c8..41b15a9 100644
--- a/modules/site/types.ts
+++ b/modules/site/types.ts
@@ -10,4 +10,5 @@ export interface SiteSettingInput {
   orderNotice?: string | null;
   headCode?: string | null;
   footerCode?: string | null;
+  timezone?: string | null;
 }
diff --git a/pages/admin/+Layout.vue b/pages/admin/+Layout.vue
index 00eb0af..1f00eca 100644
--- a/pages/admin/+Layout.vue
+++ b/pages/admin/+Layout.vue
@@ -145,13 +145,19 @@
 </template>
 
 <script setup lang="ts">
-import { computed, onMounted, ref } from "vue";
+import { computed, onMounted, provide, ref } from "vue";
 import AppButton from "../../components/AppButton.vue";
 import { usePageContext } from "vike-vue/usePageContext";
+import { useData } from "vike-vue/useData";
 import { menuGroups, getBreadcrumbs, isGroupOpen, isItemActive } from "./menu";
+import type { Data } from "./+data";
+import { SITE_TIMEZONE_KEY } from "../../lib/utils/time";
 
 import logoUrl from "../../assets/logo.svg";
 
+const { timezone } = useData<Data>();
+provide(SITE_TIMEZONE_KEY, timezone);
+
 const pageContext = usePageContext();
 
 const currentPath = computed(() => pageContext.urlPathname ?? "");
diff --git a/pages/admin/+data.ts b/pages/admin/+data.ts
new file mode 100644
index 0000000..ff64a33
--- /dev/null
+++ b/pages/admin/+data.ts
@@ -0,0 +1,13 @@
+import type { PrismaClient } from "../../generated/prisma/client";
+import { getSiteSetting } from "../../modules/site/service";
+
+export type Data = Awaited<ReturnType<typeof data>>;
+
+export async function data(pageContext: {
+  prisma: PrismaClient;
+}) {
+  const site = await getSiteSetting(pageContext.prisma);
+  return {
+    timezone: site.timezone || "Asia/Shanghai",
+  };
+}
diff --git a/pages/admin/cards/+Page.vue b/pages/admin/cards/+Page.vue
index dd25258..d995ccc 100644
--- a/pages/admin/cards/+Page.vue
+++ b/pages/admin/cards/+Page.vue
@@ -152,8 +152,13 @@ const columns = [
   { key: "actions", label: "操作" },
 ];
 
+import { inject } from "vue";
+import { SITE_TIMEZONE_KEY, formatDateInTimezone } from "../../../lib/utils/time";
+
+const timezone = inject(SITE_TIMEZONE_KEY, "Asia/Shanghai");
+
 function formatDate(value: string) {
-  return new Date(value).toLocaleString();
+  return formatDateInTimezone(value, timezone);
 }
 
 function getStatusLabel(status: string) {
diff --git a/pages/admin/email/+Page.vue b/pages/admin/email/+Page.vue
index bf4c960..d9c3ffe 100644
--- a/pages/admin/email/+Page.vue
+++ b/pages/admin/email/+Page.vue
@@ -473,7 +473,8 @@ import StatusTag from "../../../components/StatusTag.vue";
 import ConfirmDialog from "../../../components/ConfirmDialog.vue";
 import DataTable from "../../../components/DataTable.vue";
 import { normalizeTelefuncError } from "../../../lib/app-error";
-import { reactive, ref, computed, watch, useTemplateRef } from "vue";
+import { reactive, ref, computed, watch, useTemplateRef, inject } from "vue";
+import { SITE_TIMEZONE_KEY } from "../../../lib/utils/time";
 import { useData } from "vike-vue/useData";
 import { onSaveEmailConfig, onDeleteEmailConfig, onSaveEmailPushSettings, onActivateEmailProvider, onClearEmailLogs } from "./saveEmailConfig.telefunc";
 import { onSaveEmailTemplate, onResetEmailTemplate } from "./saveEmailTemplate.telefunc";
@@ -744,8 +745,10 @@ async function handleClearLogs() {
 }
 
 // ===================== Helpers =====================
+const emailTimezone = inject(SITE_TIMEZONE_KEY, "Asia/Shanghai");
+
 function formatDate(value: string) {
-  return new Date(value).toLocaleString("zh-CN");
+  return new Date(value).toLocaleString("zh-CN", { timeZone: emailTimezone });
 }
 
 function getSceneLabel(scene: string) {
diff --git a/pages/admin/media/components/MediaPreview.vue b/pages/admin/media/components/MediaPreview.vue
index c2c67ab..cc1fe29 100644
--- a/pages/admin/media/components/MediaPreview.vue
+++ b/pages/admin/media/components/MediaPreview.vue
@@ -91,7 +91,9 @@
 </template>
 
 <script setup lang="ts">
+import { inject } from "vue";
 import type { MediaItem } from "../../../../modules/media/types";
+import { SITE_TIMEZONE_KEY } from "../../../../lib/utils/time";
 
 defineProps<{
   item: MediaItem;
@@ -134,8 +136,11 @@ function formatSize(bytes: number): string {
   return parseFloat((bytes / Math.pow(k, i)).toFixed(2)) + " " + sizes[i];
 }
 
+const mediaTimezone = inject(SITE_TIMEZONE_KEY, "Asia/Shanghai");
+
 function formatDate(dateStr: string): string {
   return new Date(dateStr).toLocaleString("zh-CN", {
+    timeZone: mediaTimezone,
     year: "numeric",
     month: "2-digit",
     day: "2-digit",
diff --git a/pages/admin/orders/@id/+Page.vue b/pages/admin/orders/@id/+Page.vue
index 3a53a30..51f5530 100644
--- a/pages/admin/orders/@id/+Page.vue
+++ b/pages/admin/orders/@id/+Page.vue
@@ -137,8 +137,13 @@ function openRawPayload(raw: string) {
   payloadDialogRef.value?.showModal();
 }
 
+import { inject } from "vue";
+import { SITE_TIMEZONE_KEY, formatDateInTimezone } from "../../../../lib/utils/time";
+
+const timezone = inject(SITE_TIMEZONE_KEY, "Asia/Shanghai");
+
 function formatDate(value: string) {
-  return new Date(value).toLocaleString();
+  return formatDateInTimezone(value, timezone);
 }
 
 async function handleRedeliver() {
diff --git a/pages/admin/security/+Page.vue b/pages/admin/security/+Page.vue
index 14eae22..b58a9c3 100644
--- a/pages/admin/security/+Page.vue
+++ b/pages/admin/security/+Page.vue
@@ -215,10 +215,11 @@
 </template>
 
 <script setup lang="ts">
-import { computed, reactive, ref } from "vue";
+import { computed, reactive, ref, inject } from "vue";
 import { useData } from "vike-vue/useData";
 import AppButton from "../../../components/AppButton.vue";
 import { normalizeTelefuncError } from "../../../lib/app-error";
+import { SITE_TIMEZONE_KEY } from "../../../lib/utils/time";
 import type { Data } from "./+data";
 import { onCreateTwoFactorSetup, onDisableTwoFactor, onEnableTwoFactor } from "./twoFactor.telefunc";
 
@@ -262,8 +263,10 @@ function clearSetup() {
   alert.value = null;
 }
 
+const securityTimezone = inject(SITE_TIMEZONE_KEY, "Asia/Shanghai");
+
 function formatDate(value: string) {
-  return new Date(value).toLocaleString("zh-CN", { hour12: false });
+  return new Date(value).toLocaleString("zh-CN", { timeZone: securityTimezone, hour12: false });
 }
 
 async function handleCreateSetup() {
diff --git a/pages/admin/settings/+Page.vue b/pages/admin/settings/+Page.vue
index 8269300..da01c77 100644
--- a/pages/admin/settings/+Page.vue
+++ b/pages/admin/settings/+Page.vue
@@ -15,16 +15,26 @@
           <input v-model="form.siteName" class="input input-bordered w-full" />
         </label>
         <label class="flex flex-col gap-1.5">
-          <span class="label-text font-medium">网站地址</span>
-          <input v-model="form.siteUrl" class="input input-bordered w-full" placeholder="https://example.com" />
+          <span class="label-text font-medium">副标题</span>
+          <input v-model="form.siteSubtitle" class="input input-bordered w-full" />
         </label>
       </div>
 
       <div class="grid gap-4 md:grid-cols-2">
         <label class="flex flex-col gap-1.5">
-          <span class="label-text font-medium">副标题</span>
-          <input v-model="form.siteSubtitle" class="input input-bordered w-full" />
+          <span class="label-text font-medium">网站地址</span>
+          <input v-model="form.siteUrl" class="input input-bordered w-full" placeholder="https://example.com" />
         </label>
+        <label class="flex flex-col gap-1.5">
+          <span class="label-text font-medium">站点时区</span>
+          <select v-model="form.timezone" class="select select-bordered w-full">
+            <option v-for="tz in timezones" :key="tz.value" :value="tz.value">{{ tz.label }}</option>
+          </select>
+          <span class="text-xs text-base-content/50">影响后台“今日订单”等统计数据的日期分界点</span>
+        </label>
+      </div>
+
+      <div class="grid gap-4 md:grid-cols-2">
         <label class="flex flex-col gap-1.5">
           <span class="label-text font-medium">网站Favicon (ico & png)</span>
           <div class="flex gap-2">
@@ -32,10 +42,7 @@
             <AppButton variant="outline" @click="openFilePicker('favicon')">选择图片</AppButton>
           </div>
         </label>
-      </div>
-
-      <div class="grid gap-4 md:grid-cols-2">
-        <label class="flex flex-col gap-1.5 md:col-span-2">
+        <label class="flex flex-col gap-1.5">
           <span class="label-text font-medium">网站Logo URL</span>
           <div class="flex gap-2">
             <input v-model="form.logo" class="input input-bordered w-full" placeholder="https://example.com/logo.png" />
@@ -122,8 +129,51 @@ const form = reactive({
   orderNotice: site.orderNotice ?? "",
   headCode: site.headCode ?? "",
   footerCode: site.footerCode ?? "",
+  timezone: site.timezone ?? "Asia/Shanghai",
 });
 
+const timezones = [
+  { value: "Etc/GMT+12", label: "UTC-12" },
+  { value: "Pacific/Pago_Pago", label: "太平洋/帕果帕果 (UTC-11)" },
+  { value: "Pacific/Honolulu", label: "太平洋/檀香山 (UTC-10)" },
+  { value: "Pacific/Marquesas", label: "太平洋/马克萨斯 (UTC-9:30)" },
+  { value: "America/Anchorage", label: "美洲/安克雷奇 (UTC-9)" },
+  { value: "America/Los_Angeles", label: "美洲/洛杉矶 (UTC-8)" },
+  { value: "America/Denver", label: "美洲/丹佛 (UTC-7)" },
+  { value: "America/Chicago", label: "美洲/芝加哥 (UTC-6)" },
+  { value: "America/New_York", label: "美洲/纽约 (UTC-5)" },
+  { value: "America/Caracas", label: "美洲/加拉加斯 (UTC-4:30)" },
+  { value: "America/Halifax", label: "美洲/哈利法克斯 (UTC-4)" },
+  { value: "America/St_Johns", label: "美洲/圣约翰斯 (UTC-3:30)" },
+  { value: "America/Sao_Paulo", label: "美洲/圣保罗 (UTC-3)" },
+  { value: "Atlantic/South_Georgia", label: "大西洋/南乔治亚 (UTC-2)" },
+  { value: "Atlantic/Azores", label: "大西洋/亚速尔 (UTC-1)" },
+  { value: "UTC", label: "UTC" },
+  { value: "Europe/Berlin", label: "欧洲/柏林 (UTC+1)" },
+  { value: "Europe/Athens", label: "欧洲/雅典 (UTC+2)" },
+  { value: "Europe/Moscow", label: "欧洲/莫斯科 (UTC+3)" },
+  { value: "Asia/Tehran", label: "亚洲/德黑兰 (UTC+3:30)" },
+  { value: "Asia/Dubai", label: "亚洲/迪拜 (UTC+4)" },
+  { value: "Asia/Kabul", label: "亚洲/喀布尔 (UTC+4:30)" },
+  { value: "Asia/Karachi", label: "亚洲/卡拉奇 (UTC+5)" },
+  { value: "Asia/Kolkata", label: "亚洲/加尔各答 (UTC+5:30)" },
+  { value: "Asia/Kathmandu", label: "亚洲/加德满都 (UTC+5:45)" },
+  { value: "Asia/Dhaka", label: "亚洲/达卡 (UTC+6)" },
+  { value: "Asia/Yangon", label: "亚洲/仰光 (UTC+6:30)" },
+  { value: "Asia/Bangkok", label: "亚洲/曼谷 (UTC+7)" },
+  { value: "Asia/Shanghai", label: "亚洲/上海 (UTC+8)" },
+  { value: "Australia/Eucla", label: "澳洲/尤克拉 (UTC+8:45)" },
+  { value: "Asia/Tokyo", label: "亚洲/东京 (UTC+9)" },
+  { value: "Australia/Adelaide", label: "澳洲/阿德莱德 (UTC+9:30)" },
+  { value: "Australia/Sydney", label: "澳洲/悉尼 (UTC+10)" },
+  { value: "Australia/Lord_Howe", label: "澳洲/豪勋爵 (UTC+10:30)" },
+  { value: "Pacific/Noumea", label: "太平洋/努美阿 (UTC+11)" },
+  { value: "Pacific/Auckland", label: "太平洋/奥克兰 (UTC+12)" },
+  { value: "Pacific/Chatham", label: "太平洋/查塔姆 (UTC+12:45)" },
+  { value: "Pacific/Tongatapu", label: "太平洋/汤加塔布 (UTC+13)" },
+  { value: "Pacific/Kiritimati", label: "太平洋/圣诞岛 (UTC+14)" },
+];
+
 const saving = ref(false);
 const saved = ref(false);
 const errorMessage = ref("");
@@ -149,6 +199,7 @@ async function handleSave() {
     form.orderNotice = result.orderNotice ?? "";
     form.headCode = result.headCode ?? "";
     form.footerCode = result.footerCode ?? "";
+    form.timezone = result.timezone ?? "Asia/Shanghai";
     saved.value = true;
   } catch (error) {
     errorMessage.value = normalizeTelefuncError(error, "保存失败");
diff --git a/pages/query/+Page.vue b/pages/query/+Page.vue
index 7aaea78..377b8d7 100644
--- a/pages/query/+Page.vue
+++ b/pages/query/+Page.vue
@@ -74,13 +74,18 @@
 <script setup lang="ts">
 import { normalizeTelefuncError } from "../../lib/app-error";
 import { ref, onMounted } from "vue";
+import { useData } from "vike-vue/useData";
 import AppButton from "../../components/AppButton.vue";
 import { onQueryOrder } from "./queryOrder.telefunc";
 import { onSyncLocalOrders } from "./syncLocalOrders.telefunc";
 import { getLocalOrders, saveLocalOrders, type LocalOrder } from "../../lib/local-orders";
 import { formatCents } from "../../lib/utils/money";
+import { formatDateInTimezone } from "../../lib/utils/time";
 import StatusTag from "../../components/StatusTag.vue";
 import { getOrderStatusLabel, getOrderStatusType } from "../../lib/utils/order-status";
+import type { Data } from "./+data";
+
+const { timezone } = useData<Data>();
 
 const activeTab = ref<"local" | "query">("query");
 const orderNo = ref("");
@@ -100,7 +105,7 @@ function wait(ms: number) {
 }
 
 function formatDate(iso: string) {
-  return new Date(iso).toLocaleString("zh-CN", { dateStyle: "short", timeStyle: "short" });
+  return formatDateInTimezone(iso, timezone);
 }
 
 function isTerminalLocalOrder(order: LocalOrder) {
diff --git a/pages/query/+data.ts b/pages/query/+data.ts
new file mode 100644
index 0000000..ff64a33
--- /dev/null
+++ b/pages/query/+data.ts
@@ -0,0 +1,13 @@
+import type { PrismaClient } from "../../generated/prisma/client";
+import { getSiteSetting } from "../../modules/site/service";
+
+export type Data = Awaited<ReturnType<typeof data>>;
+
+export async function data(pageContext: {
+  prisma: PrismaClient;
+}) {
+  const site = await getSiteSetting(pageContext.prisma);
+  return {
+    timezone: site.timezone || "Asia/Shanghai",
+  };
+}
diff --git a/prisma/migrations/0008_add_site_timezone.sql b/prisma/migrations/0008_add_site_timezone.sql
new file mode 100644
index 0000000..15a5cdb
--- /dev/null
+++ b/prisma/migrations/0008_add_site_timezone.sql
@@ -0,0 +1,2 @@
+-- AlterTable: Add timezone setting
+ALTER TABLE "SiteSetting" ADD COLUMN "timezone" TEXT DEFAULT 'Asia/Shanghai';
diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 61d7126..41777ec 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -160,6 +160,7 @@ model SiteSetting {
   orderNotice    String?
   headCode       String?
   footerCode     String?
+  timezone       String?         @default("Asia/Shanghai")
   createdAt      DateTime @default(now())
   updatedAt      DateTime @updatedAt
 }
diff --git a/scripts/seed.sql b/scripts/seed.sql
index 8230f3a..4e351f8 100644
--- a/scripts/seed.sql
+++ b/scripts/seed.sql
@@ -9,8 +9,8 @@ VALUES ('admin', '$2b$10$viMe8RgcpM30gmmF9OpOcuA/QgleSIUk5VRtqjOulfSIbgK5jQCI6',
 ON CONFLICT("username") DO NOTHING;
 
 -- 站点设置
-INSERT INTO "SiteSetting" ("id", "siteName", "siteSubtitle", "notice", "updatedAt")
-VALUES (1, 'EK发卡商城', 'Cloudflare Workers 免费部署自动发卡商城', '全球部署，一触即达。', CURRENT_TIMESTAMP)
+INSERT INTO "SiteSetting" ("id", "siteName", "siteSubtitle", "notice", "timezone", "updatedAt")
+VALUES (1, 'EK发卡商城', 'Cloudflare Workers 免费部署自动发卡商城', '全球部署，一触即达。', 'Asia/Shanghai', CURRENT_TIMESTAMP)
 ON CONFLICT("id") DO NOTHING;
 
 -- 邮件模板