diff --git a/public/hero.jpg b/public/hero.jpg
new file mode 100644
index 0000000..a42ffcb
Binary files /dev/null and b/public/hero.jpg differ
diff --git a/public/hero.webp b/public/hero.webp
deleted file mode 100644
index 5c2014a..0000000
Binary files a/public/hero.webp and /dev/null differ
diff --git a/src/pages/[...slug].astro b/src/pages/[...slug].astro
index 737396f..6783425 100644
--- a/src/pages/[...slug].astro
+++ b/src/pages/[...slug].astro
@@ -27,14 +27,7 @@ const { Content } = await page.render()
     {
       image && (
         <p>
-          <img
-            width="100%"
-            height="auto"
-            src={image.src}
-            loading="lazy"
-            decoding="async"
-            alt={image.alt || ''}
-          />
+          <img width="640" height="360" src={image.src} alt={image.alt || ''} />
         </p>
       )
     }
diff --git a/src/pages/index.astro b/src/pages/index.astro
index 2be1ac8..4dca1ed 100644
--- a/src/pages/index.astro
+++ b/src/pages/index.astro
@@ -12,14 +12,7 @@ import siteConfig from '@/site-config'
       by <a target="_blank" href="https://antfu.me">antfu.me</a>.
     </p>
     <p>
-      <img
-        width="100%"
-        height="auto"
-        src="/hero.webp"
-        loading="lazy"
-        decoding="async"
-        alt="Hero Image"
-      />
+      <img width="640" height="360" src="/hero.jpg" alt="Hero Image" />
     </p>
     <p>
       Based on first principles thinking, and you can also see from the picture
diff --git a/src/pages/posts/[...slug].astro b/src/pages/posts/[...slug].astro
index c7d2dc9..887e03e 100644
--- a/src/pages/posts/[...slug].astro
+++ b/src/pages/posts/[...slug].astro
@@ -38,14 +38,7 @@ function getDate(date: string) {
     {
       image && (
         <p>
-          <img
-            width="100%"
-            height="auto"
-            src={image.src}
-            loading="lazy"
-            decoding="async"
-            alt={image.alt || ''}
-          />
+          <img width="640" height="360" src={image.src} alt={image.alt || ''} />
         </p>
       )
     }
diff --git a/src/site-config.ts b/src/site-config.ts
index 47a1426..53b8775 100644
--- a/src/site-config.ts
+++ b/src/site-config.ts
@@ -4,7 +4,7 @@ export const siteConfig = {
   subtitle: 'Vitesse theme for Astro, supports Vue and UnoCSS.',
   description: 'A Minimal, SEO-friendly portfolio and blog theme for Astro.',
   image: {
-    src: '/hero.webp',
+    src: '/hero.jpg',
     alt: 'Website Main Image',
   },
   email: 'kaivanwong@outlook.com',