diff --git a/docs/.vitepress/config.mts b/docs/.vitepress/config.mts
index 343c904..db278af 100644
--- a/docs/.vitepress/config.mts
+++ b/docs/.vitepress/config.mts
@@ -66,6 +66,15 @@ export default defineConfig({
         link: 'https://github.com/handsomezhuzhu'
       }
     ]
+  },
+  vite: {
+    css: {
+      preprocessorOptions: {
+        scss: {
+          api: 'modern-compiler'
+        }
+      }
+    }
   }
 })
 
diff --git a/docs/.vitepress/theme/components/BackgroundSlider.vue b/docs/.vitepress/theme/components/BackgroundSlider.vue
new file mode 100644
index 0000000..5603c4f
--- /dev/null
+++ b/docs/.vitepress/theme/components/BackgroundSlider.vue
@@ -0,0 +1,152 @@
+<script setup lang="ts">
+import { ref, computed, onMounted, onUnmounted, watch } from 'vue'
+import { useData, useRoute } from 'vitepress'
+
+const { isDark, frontmatter } = useData()
+const route = useRoute()
+
+// 图片配置
+const darkImages = [
+//  '/bg.webp',
+  '/bg2.webp',
+  '/bg3.jpeg'
+]
+
+const lightImages = [
+  '/bgw.webp',
+  '/bgw2.jpeg'
+]
+
+const currentImages = computed(() => isDark.value ? darkImages : lightImages)
+const currentIndex = ref(0)
+const nextIndex = ref(1)
+
+// 控制显示的图片
+const activeImage = computed(() => currentImages.value[currentIndex.value])
+// const nextImage = computed(() => currentImages.value[nextIndex.value])
+
+// 简单的淡入淡出逻辑：
+// 我们使用 <transition> 包裹一个 div 作为背景
+// 也可以使用两个 div 叠加，一个 fadeOut 一个 fadeIn
+// 这里使用 Vue Transition Group 或 Key 切换
+
+// --- 配置区域 ---
+const INTERVAL_TIME = 15000 // 轮换间隔：5000ms = 5秒
+// ----------------
+
+let timer: any = null
+
+const startRotation = () => {
+  stopRotation()
+  timer = setInterval(() => {
+    currentIndex.value = (currentIndex.value + 1) % currentImages.value.length
+  }, INTERVAL_TIME)
+}
+
+const stopRotation = () => {
+  if (timer) clearInterval(timer)
+}
+
+// 监听模式变化，重置索引，防止索引越界
+watch(isDark, () => {
+  // 切换模式时，重置 index，确保展示对应模式的第一张图
+  currentIndex.value = 0
+})
+
+
+const preloadImages = (images: string[]) => {
+  images.forEach(src => {
+    const img = new Image()
+    img.src = src
+  })
+}
+
+onMounted(() => {
+  // 预加载所有图片
+  preloadImages([...darkImages, ...lightImages])
+  startRotation()
+})
+
+onUnmounted(() => {
+  stopRotation()
+})
+
+// 只在首页显示
+const show = computed(() => frontmatter.value.layout === 'home')
+</script>
+
+<template>
+  <ClientOnly>
+    <div v-show="show" class="bg-slider-container">
+      <transition name="bg-fade">
+        <div
+          :key="activeImage"
+          class="bg-slide-item"
+          :style="{ backgroundImage: `url(${activeImage})` }"
+        ></div>
+      </transition>
+    </div>
+  </ClientOnly>
+</template>
+
+<style scoped>
+.bg-slider-container {
+  position: fixed;
+  top: 0;
+  left: 0;
+  width: 100vw;
+  height: 100vh;
+  z-index: -10; /* 放在最底层 */
+  pointer-events: none;
+  overflow: hidden;
+}
+
+.bg-slide-item {
+  position: absolute;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  background-size: cover;
+  background-position: center;
+  /* 保持与原主题一致的暗度调整，如果需要的话。
+     原主题是在 .VPHome 上盖了一层渐变，所以这里只需要纯图片。
+  */
+}
+
+/* Vue Transition 动画 */
+.bg-fade-enter-active {
+  transition: opacity 1.5s ease;
+  z-index: 2; /* 新图片在最上面 */
+}
+
+.bg-fade-leave-active {
+  /* 旧图片保持显示，直到被新图片覆盖 */
+  transition: opacity 1.5s ease;
+  z-index: 1; /* 旧图片在中间 */
+}
+
+.bg-fade-enter-from {
+  opacity: 0;
+}
+
+.bg-fade-enter-to {
+  opacity: 1;
+}
+
+.bg-fade-leave-from {
+  opacity: 1;
+}
+
+.bg-fade-leave-to {
+  /* 旧图片保持不透明（或者可以设为 0 但在 enter 之后）
+     这里设为 0，因为如果 enter 是 opacity 1，它覆盖在上面。
+     如果设为 1，可能会在 transition 结束后突然消失，如果新图片有透明度的话。
+     但我们的图片是背景图，理论上是不透明的。
+     为了保险，我们让旧图片淡出，但新图片覆盖在上面。
+     如果新图片淡入 (0->1) 同时旧图片淡出 (1->0)，中间时刻 (0.5+0.5) 可能会透。
+     所以策略是：旧图片 保持 1 (或极慢淡出)，新图片 淡入。
+  */
+  opacity: 1;
+}
+</style>
diff --git a/docs/.vitepress/theme/index.ts b/docs/.vitepress/theme/index.ts
index 5264389..17a30f9 100644
--- a/docs/.vitepress/theme/index.ts
+++ b/docs/.vitepress/theme/index.ts
@@ -1,4 +1,6 @@
 import BlogTheme from '@sugarat/theme'
+import { h } from 'vue'
+import BackgroundSlider from './components/BackgroundSlider.vue'
 import { initCursorRainForVitePress } from '../cursor-rain/index.esm.js'
 import { gsap } from 'gsap'
 import { getOptimalConfig, rainPresets } from './cursor-rain-config'
@@ -12,6 +14,11 @@ import './cursor-rain-styles.css'
 
 export default {
   ...BlogTheme,
+  Layout: () => {
+    return h(BlogTheme.Layout, null, {
+      'layout-bottom': () => h(BackgroundSlider)
+    })
+  },
   enhanceApp({ app, router, siteData }) {
     // 调用原主题的 enhanceApp
     if (BlogTheme.enhanceApp) {
diff --git a/docs/.vitepress/theme/style.scss b/docs/.vitepress/theme/style.scss
index 1a3083e..0e43a1a 100644
--- a/docs/.vitepress/theme/style.scss
+++ b/docs/.vitepress/theme/style.scss
@@ -6,16 +6,17 @@
 
   // 自定义首页背景图
   &::before {
-    background-size: cover;
-    // 默认是暗色模式的背景
-    background-image: url(/bg.webp);
+    display: none;
+    // background-size: cover;
+    // // 默认是暗色模式的背景
+    // background-image: url(/bg.webp);
   }
 }
 
 // 亮色模式下切换背景
-html:not(.dark) .VPHome::before {
-  background-image: url(/bgw.webp);
-}
+// html:not(.dark) .VPHome::before {
+//   background-image: url(/bgw.webp);
+// }
 
 
 
diff --git a/docs/public/bg2.webp b/docs/public/bg2.webp
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diff --git a/docs/public/bg3.jpeg b/docs/public/bg3.jpeg
new file mode 100644
index 0000000..69836f0
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diff --git a/docs/public/bgw2.jpeg b/docs/public/bgw2.jpeg
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index 0000000..fde0ee3
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