diff --git a/.gitignore b/.gitignore
index 1a70f06..804edf9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -151,3 +151,6 @@ cdk.out
 
 # prisma部署d1的客户端产物
 /generated/prisma/
+
+# 本地SQLite数据库
+prisma/db.sqlite
diff --git a/CHANGELOG.md b/CHANGELOG.md
index fc55dbb..233d9d9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Change Log
 
+## v1.4.7 (2026-06-30)
+
+### Features
+
+- **site:** 新增页头/页脚自定义代码注入功能，支持在后台添加统计 JS、Meta 标签、客服插件等自定义代码
+
+### Bug Fixes
+
+- **payment:** 修复 TypeScript 类型错误
+
 ## v1.4.6 (2026-06-21)
 
 ### Features
diff --git a/modules/payment/service.ts b/modules/payment/service.ts
index 5ec16fa..7392b5a 100644
--- a/modules/payment/service.ts
+++ b/modules/payment/service.ts
@@ -71,6 +71,14 @@ const defaultPaymentConfigs: Record<PaymentProvider, PaymentConfigValue> = {
     notifyUrl: "/api/payments/stripe/notify",
     returnUrl: "/order/{orderNo}?token={token}",
   },
+  FREE_PAY: {
+    provider: "FREE_PAY",
+    name: "免费下单",
+    isEnabled: false,
+    baseUrl: "",
+    notifyUrl: "/api/payments/free/notify",
+    returnUrl: "/order/{orderNo}?token={token}",
+  },
 };
 
 function getPaymentContext() {
diff --git a/modules/site/repository.ts b/modules/site/repository.ts
index 7fe059e..eb9244c 100644
--- a/modules/site/repository.ts
+++ b/modules/site/repository.ts
@@ -18,6 +18,8 @@ export function upsertSiteSettingRecord(
     supportContact?: string | null;
     footerText?: string | null;
     orderNotice?: string | null;
+    headCode?: string | null;
+    footerCode?: string | null;
   },
 ) {
   return prisma.siteSetting.upsert({
@@ -33,6 +35,8 @@ export function upsertSiteSettingRecord(
       supportContact: input.supportContact ?? null,
       footerText: input.footerText ?? null,
       orderNotice: input.orderNotice ?? null,
+      headCode: input.headCode ?? null,
+      footerCode: input.footerCode ?? null,
     },
     update: {
       siteName: input.siteName,
@@ -44,6 +48,8 @@ export function upsertSiteSettingRecord(
       supportContact: input.supportContact ?? null,
       footerText: input.footerText ?? null,
       orderNotice: input.orderNotice ?? null,
+      headCode: input.headCode ?? null,
+      footerCode: input.footerCode ?? null,
     },
   });
 }
diff --git a/modules/site/service.ts b/modules/site/service.ts
index 34d4522..f5557de 100644
--- a/modules/site/service.ts
+++ b/modules/site/service.ts
@@ -15,6 +15,8 @@ const defaultSiteSetting = {
   supportContact: null,
   footerText: null,
   orderNotice: null,
+  headCode: null,
+  footerCode: null,
 };
 
 function normalizeSetting(record: Awaited<ReturnType<typeof getSiteSettingRecord>>) {
@@ -32,6 +34,8 @@ function normalizeSetting(record: Awaited<ReturnType<typeof getSiteSettingRecord
     supportContact: record.supportContact,
     footerText: record.footerText,
     orderNotice: record.orderNotice,
+    headCode: record.headCode,
+    footerCode: record.footerCode,
   };
 }
 
@@ -61,6 +65,8 @@ export async function saveSiteSetting(input: SiteSettingInput) {
     supportContact: input.supportContact?.trim() || null,
     footerText: input.footerText?.trim() || null,
     orderNotice: input.orderNotice?.trim() || null,
+    headCode: input.headCode ?? null,
+    footerCode: input.footerCode ?? null,
   });
 
   await logAdminOperation(
diff --git a/modules/site/types.ts b/modules/site/types.ts
index 04e0fbf..281c8c8 100644
--- a/modules/site/types.ts
+++ b/modules/site/types.ts
@@ -8,4 +8,6 @@ export interface SiteSettingInput {
   supportContact?: string | null;
   footerText?: string | null;
   orderNotice?: string | null;
+  headCode?: string | null;
+  footerCode?: string | null;
 }
diff --git a/package.json b/package.json
index 8caced7..fb56ca7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
-  "version": "1.4.6",
-  "scripts": {
+  "version": "1.4.7",
+    "scripts": {
     "dev": "vike dev",
     "build": "bun run db:generate && vike build",
     "preview": "vike build && vike preview",
diff --git a/pages/+Layout.vue b/pages/+Layout.vue
index ce2ba78..eaf4afa 100644
--- a/pages/+Layout.vue
+++ b/pages/+Layout.vue
@@ -66,11 +66,13 @@
         </details>
       </div>
     </footer>
+    
+    <!-- footerCode 通过 onMounted 动态注入 -->
   </div>
 </template>
 
 <script setup lang="ts">
-import { computed } from "vue";
+import { computed, onMounted } from "vue";
 import AppButton from "../components/AppButton.vue";
 import { usePageContext } from "vike-vue/usePageContext";
 
@@ -89,8 +91,24 @@ const supportContactItems = computed(() => {
   });
 });
 const footerText = computed(() => pageContext.site?.footerText || "");
+const headCode = computed(() => pageContext.site?.headCode || "");
+const footerCode = computed(() => pageContext.site?.footerCode || "");
 
 const isAdminRoute = computed(() => pageContext.urlPathname?.startsWith("/admin"));
+
+function injectCode(html: string, target: Element) {
+  const doc = new DOMParser().parseFromString(html, "text/html");
+  doc.querySelectorAll("script").forEach((old) => {
+    const s = document.createElement("script");
+    s.textContent = old.textContent;
+    target.appendChild(s);
+  });
+}
+
+onMounted(() => {
+  if (headCode.value) injectCode(headCode.value, document.body);
+  if (footerCode.value) injectCode(footerCode.value, document.body);
+});
 </script>
 
 <style>
diff --git a/pages/admin/settings/+Page.vue b/pages/admin/settings/+Page.vue
index 843a0c4..8269300 100644
--- a/pages/admin/settings/+Page.vue
+++ b/pages/admin/settings/+Page.vue
@@ -66,6 +66,23 @@
         <textarea v-model="form.orderNotice" class="textarea textarea-bordered w-full" rows="4"></textarea>
       </label>
 
+      <div class="divider">自定义代码</div>
+
+      <div class="grid gap-4 md:grid-cols-2">
+        <label class="flex flex-col gap-1.5">
+          <span class="label-text font-medium">页头代码 (head)</span>
+          <textarea v-model="form.headCode" class="textarea textarea-bordered w-full font-mono text-sm" rows="6" placeholder="&lt;meta name=&quot;...&quot; content=&quot;...&quot;&gt;
+&lt;script&gt;...&lt;/script&gt;"></textarea>
+          <span class="text-xs text-base-content/50">注入到 &lt;head&gt; 标签内，可用于添加统计代码、Meta 标签等</span>
+        </label>
+        <label class="flex flex-col gap-1.5">
+          <span class="label-text font-medium">页脚代码 (body)</span>
+          <textarea v-model="form.footerCode" class="textarea textarea-bordered w-full font-mono text-sm" rows="6" placeholder="&lt;script&gt;...&lt;/script&gt;
+&lt;div&gt;...&lt;/div&gt;"></textarea>
+          <span class="text-xs text-base-content/50">注入到 &lt;/body&gt; 标签前，可用于添加客服插件、JS 脚本等</span>
+        </label>
+      </div>
+
       <div class="flex items-center gap-3">
         <AppButton variant="primary" :loading="saving" @click="handleSave">保存设置</AppButton>
         <span v-if="errorMessage" class="text-sm text-error">{{ errorMessage }}</span>
@@ -103,6 +120,8 @@ const form = reactive({
   supportContact: site.supportContact ?? "",
   footerText: site.footerText ?? "",
   orderNotice: site.orderNotice ?? "",
+  headCode: site.headCode ?? "",
+  footerCode: site.footerCode ?? "",
 });
 
 const saving = ref(false);
@@ -128,6 +147,8 @@ async function handleSave() {
     form.supportContact = result.supportContact ?? "";
     form.footerText = result.footerText ?? "";
     form.orderNotice = result.orderNotice ?? "";
+    form.headCode = result.headCode ?? "";
+    form.footerCode = result.footerCode ?? "";
     saved.value = true;
   } catch (error) {
     errorMessage.value = normalizeTelefuncError(error, "保存失败");
diff --git a/pages/admin/settings/saveSiteSettings.telefunc.ts b/pages/admin/settings/saveSiteSettings.telefunc.ts
index 606f35c..c2f2936 100644
--- a/pages/admin/settings/saveSiteSettings.telefunc.ts
+++ b/pages/admin/settings/saveSiteSettings.telefunc.ts
@@ -11,6 +11,8 @@ export async function onSaveSiteSettings(input: {
   supportContact?: string;
   footerText?: string;
   orderNotice?: string;
+  headCode?: string;
+  footerCode?: string;
 }) {
   assertAdminAccess();
   return saveSiteSetting(input);
diff --git a/prisma/migrations/0006_add_head_footer_code.sql b/prisma/migrations/0006_add_head_footer_code.sql
new file mode 100644
index 0000000..019ecd7
--- /dev/null
+++ b/prisma/migrations/0006_add_head_footer_code.sql
@@ -0,0 +1,3 @@
+-- AlterTable: Add head and footer custom code fields
+ALTER TABLE "SiteSetting" ADD COLUMN "headCode" TEXT;
+ALTER TABLE "SiteSetting" ADD COLUMN "footerCode" TEXT;
diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index cf5a970..c2e6be1 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -156,6 +156,8 @@ model SiteSetting {
   supportContact String?
   footerText     String?
   orderNotice    String?
+  headCode       String?
+  footerCode     String?
   createdAt      DateTime @default(now())
   updatedAt      DateTime @updatedAt
 }