diff --git a/content/_index.md b/content/_index.md
index 82fd939..07c04f2 100644
--- a/content/_index.md
+++ b/content/_index.md
@@ -4,7 +4,7 @@ header:
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     # background: "linear-gradient(to left, #0a4d8c, #3f8ab9, #5bc0de, #a2dfff);"
     # background_image: "/image/outpainting-home-right-optimized.jpg"
-    background_image: "https://qianwen-res.oss-accelerate-overseas.aliyuncs.com/assets/blog/background.png"
+    background_image: "https://qianwen-res.oss-accelerate-overseas.aliyuncs.com/assets/blog/background.webp"
     gradient: true
     blur: true
 description: Qwickly forging AGI, enhancing intelligence.