fix: 更新图片链接并移除无用脚本

将多个页面的图片链接统一更新为新的CDN地址
移除布局文件中不再需要的外部脚本
更新背景图片配置为新的CDN地址

src/config.ts

@@ -37,7 +37,7 @@ export const siteConfig: SiteConfig = {
 	},
 	background: {
 		enable: true, // Enable background image
-		src: "", // Background image URL (supports HTTPS)
+		src: "https://t.alcy.cc/ycy", // Background image URL (supports HTTPS)
 		position: "center", // Background position: 'top', 'center', 'bottom'
 		size: "cover", // Background size: 'cover', 'contain', 'auto'
 		repeat: "no-repeat", // Background repeat: 'no-repeat', 'repeat', 'repeat-x', 'repeat-y'

src/content/posts/pin.md

@@ -1,6 +1,6 @@
 ---
 title: 加群向导
-image: /random/h
+image: https://t.alcy.cc/ycy
 published: 2025-05-24
 pinned: true
 category: 置顶

src/content/posts/record.md

@@ -2,7 +2,7 @@
 category: 记录
 description: 一些记录，不定时更新
 draft: false
-image: /random/h
+image: https://t.alcy.cc/ycy
 lang: zh_CN
 published: 1999-01-01
 tags:

src/layouts/Layout.astro

@@ -115,7 +115,6 @@ const bannerOffset =
 		<meta name="viewport" content="width=device-width" />
 		<meta name="generator" content={Astro.generator} />
 		<script src="/js/umami-share.js" defer></script>
-		<script data-swup-ignore-script is:inline src="https://pic1.acofork.com/random.js"></script>