feat: update the image

docs/website/components/index/index.tsx

@@ -349,7 +349,7 @@ const Index = ({
                       <img
                         src={blog.image}
                         alt={blog.title}
-                        className="h-[200px] w-full object-fill rounded-lg"
+                        className="h-full w-full object-cover rounded-lg"
                       />
                     </div>
                     <div className="flex flex-col p-6 md:p-8 w-full justify-between">

docs/website/pages/index.en-US.mdx

@@ -152,7 +152,7 @@ import Index from '../components/index'
       title: 'Rooch Network - The Application Layer of Bitcoin',
       date: 'April 24, 2024',
       link: 'https://rooch.network/blog/the-application-layer-of-bitcoin',
-      image: '/logo/blogs/blog_1.jpeg',
+      image: '/logo/blogs/blog_1.jpg',
     },
     {
       title: 'Stackable L2 — A New Scaling Solution',
@@ -164,7 +164,7 @@ import Index from '../components/index'
       title: 'RoochBTC - On - Chain Indexer as Bitcoin L2',
       date: 'January 3, 2024',
       link: 'https://rooch.network/blog/rooch-btc',
-      image: '/logo/blogs/blog_3.jpeg',
+      image: '/logo/blogs/blog_3.jpg',
     },
   ]}
 />

docs/website/pages/index.zh-CN.mdx

@@ -150,7 +150,7 @@ import Index from '../components/index'
       title: 'Rooch Network - Bitcoin 的应用层',
       date: '2024年4月24日',
       link: 'https://rooch.network/blog/the-application-layer-of-bitcoin',
-      image: '/logo/blogs/blog_1.jpeg',
+      image: '/logo/blogs/blog_1.jpg',
     },
     {
       title: 'Stackable L2 — 一种新的区块链扩容方案',
@@ -162,7 +162,7 @@ import Index from '../components/index'
       title: 'RoochBTC - 用链上索引器实现比特币二层',
       date: '2024年1月3日',
       link: 'https://rooch.network/blog/rooch-btc',
-      image: '/logo/blogs/blog_3.jpeg',
+      image: '/logo/blogs/blog_3.jpg',
     },
   ]}
 />