diff --git a/app/(main)/Footer.tsx b/app/(main)/Footer.tsx
index 1ae92671..a47ae6be 100644
--- a/app/(main)/Footer.tsx
+++ b/app/(main)/Footer.tsx
@@ -2,6 +2,7 @@ import Link from 'next/link'
 import React from 'react'
 
 import { CursorClickIcon, UsersIcon } from '~/assets'
+import { PeekabooLink } from '~/components/links/PeekabooLink'
 import { Container } from '~/components/ui/Container'
 import { kvKeys } from '~/config/kv'
 import { navigationItems } from '~/config/nav'
@@ -100,7 +101,10 @@ export function Footer() {
           <Container.Inner>
             <div className="flex flex-col items-center justify-between gap-6 sm:flex-row">
               <p className="text-sm text-zinc-500/80 dark:text-zinc-400/80">
-                &copy; 1995 - {new Date().getFullYear()} Cali Castle.
+                &copy; {new Date().getFullYear()} Cali Castle. 网站已开源：
+                <PeekabooLink href="https://github.com/CaliCastle/cali.so">
+                  GitHub
+                </PeekabooLink>
               </p>
               <Links />
             </div>
diff --git a/app/prism.css b/app/prism.css
index c89ae059..f85dd921 100644
--- a/app/prism.css
+++ b/app/prism.css
@@ -2,6 +2,20 @@
   --tw-prose-pre-bg: rgba(245, 245, 245, .05);
   --tw-prose-pre-code: theme('colors.zinc.600');
   background: linear-gradient(to top, rgba(235, 235, 235, .3) 0%, rgba(255, 255, 255, 0.1) 100%);
+  font-size: 12px;
+  padding: 1rem;
+  @apply antialiased;
+}
+
+[data-blockid]:not([data-filename]) > .prismjs {
+  @apply rounded-t-3xl;
+}
+
+@screen md {
+  .prismjs {
+    font-size: 0.875rem;
+    padding: 1.5rem;
+  }
 }
 
 .dark {
diff --git a/components/portable-text/PortableTextCodeBlock.tsx b/components/portable-text/PortableTextCodeBlock.tsx
index 5fd0ccb3..0e1f8e30 100644
--- a/components/portable-text/PortableTextCodeBlock.tsx
+++ b/components/portable-text/PortableTextCodeBlock.tsx
@@ -35,7 +35,8 @@ export function PortableTextCodeBlock({
   return (
     <div
       data-blockid={value._key}
-      className="group relative overflow-hidden rounded-3xl border border-[--tw-prose-pre-border] dark:bg-zinc-800/80"
+      data-filename={value.filename}
+      className="group relative rounded-3xl border border-[--tw-prose-pre-border] dark:bg-zinc-800/80"
     >
       <ClientOnly>
         <Commentable blockId={value._key} />
@@ -43,7 +44,7 @@ export function PortableTextCodeBlock({
       <ClientOnly>
         <>
           <div className="relative flex text-xs leading-6 text-slate-400">
-            {value.filename && (
+            {Boolean(value.filename) && (
               <>
                 <div className="mt-2 flex flex-none items-center border-b border-t border-b-emerald-700 border-t-transparent px-4 py-1 font-medium text-emerald-700 dark:border-b-emerald-200 dark:text-emerald-200">
                   {value.filename}