diff --git a/docs/images/wallhaven-o35exm.webp b/docs/images/wallhaven-o35exm.webp
new file mode 100644
index 0000000..94e9ef4
Binary files /dev/null and b/docs/images/wallhaven-o35exm.webp differ
diff --git a/docs/stylesheets/background.css b/docs/stylesheets/background.css
index b2e5141..3f8adcb 100644
--- a/docs/stylesheets/background.css
+++ b/docs/stylesheets/background.css
@@ -6,7 +6,7 @@ body::before {
   left: 0;
   height: 100%;
   width: 100%;
-  background-image: url("../images/wallhaven-o35exm.jpg"); /* 替换为你的图片路径 */
+  background-image: url("../images/wallhaven-o35exm.webp"); /* 替换为你的图片路径 */
   background-size: cover;
   background-position: center;
   background-repeat: no-repeat;
diff --git a/docs/stylesheets/preload.js b/docs/stylesheets/preload.js
index f03206c..14aeb39 100644
--- a/docs/stylesheets/preload.js
+++ b/docs/stylesheets/preload.js
@@ -2,5 +2,5 @@
 const preloadLink = document.createElement("link");
 preloadLink.rel = "preload";
 preloadLink.as = "image";
-preloadLink.href = "/images/wallhaven-o35exm.jpg"; // 替换为你的图片路径
+preloadLink.href = "/images/wallhaven-o35exm.webp"; // 替换为你的图片路径
 document.head.appendChild(preloadLink);