diff --git a/README.md b/README.md
index f413a45..ae0e1a2 100644
--- a/README.md
+++ b/README.md
@@ -54,6 +54,7 @@
 - `hide_fans` - 是否隐藏月粉丝数, 默认为`false`
 - `width` - 宽度, 默认为`640`
 - `height` - 高度, 默认为`225`
+- `maxage` - 浏览器缓存时间, 单位为秒, 默认为`7200`
 
 [![Gizmo's Profile](https://afdian-connect.deno.dev/profile.svg)](https://afdian.net/a/gizmo)
 
@@ -66,5 +67,6 @@
 支持的选项:
 
 - `width` - 宽度, 默认为`800`
+- `maxage` - 浏览器缓存时间, 单位为秒, 默认为`7200`
 
-![打钱!](https://afdian-connect.deno.dev/sponsor.svg)
+[![金主爸爸](https://afdian-connect.deno.dev/sponsor.svg)](https://afdian.net/a/gizmo)
diff --git a/routes/profile.svg.tsx b/routes/profile.svg.tsx
index 6d33d03..fd5e2e4 100644
--- a/routes/profile.svg.tsx
+++ b/routes/profile.svg.tsx
@@ -14,6 +14,7 @@ export default eventHandler(async e => {
   const hideFans = query.get('hide_fans') === 'true';
   const width = parseInt(query.get('width') ?? '640');
   const height = parseInt(query.get('height') ?? '225');
+  const maxage = parseInt(query.get('maxage') ?? '7200');
 
   const profile = await getProfileBySlug(slug);
   const user = profile.data.user;
@@ -164,5 +165,9 @@ export default eventHandler(async e => {
 
   e.node.res.appendHeader('accept-encoding', 'br');
   e.node.res.appendHeader('content-type', 'image/svg+xml');
+  e.node.res.appendHeader(
+    'cache-control',
+    `max-age=${maxage}, s-maxage=${maxage}`
+  );
   return '<!-- Generated by afdian-connect -->\n' + renderSSR(SVG);
 });
diff --git a/routes/sponsor.svg.tsx b/routes/sponsor.svg.tsx
index f525214..a4192ab 100644
--- a/routes/sponsor.svg.tsx
+++ b/routes/sponsor.svg.tsx
@@ -10,6 +10,7 @@ export default eventHandler(async e => {
     .searchParams;
 
   const width = parseInt(query.get('width') ?? '800');
+  const maxage = parseInt(query.get('maxage') ?? '7200');
 
   const { list, total_page } = (await querySponsor(1)).data;
   for (let i = 1; i < total_page; i++)
@@ -143,5 +144,9 @@ export default eventHandler(async e => {
 
   e.node.res.appendHeader('accept-encoding', 'br');
   e.node.res.appendHeader('content-type', 'image/svg+xml');
+  e.node.res.appendHeader(
+    'cache-control',
+    `max-age=${maxage}, s-maxage=${maxage}`
+  );
   return '<!-- Generated by afdian-connect -->\n' + renderSSR(() => SVG);
 });