diff --git a/src/content/config.ts b/src/content/config.ts
index 7cbb222..cb4387f 100644
--- a/src/content/config.ts
+++ b/src/content/config.ts
@@ -1,3 +1,4 @@
+import { imageMetadata } from '@/helpers/images';
 import { urlJoin } from '@/helpers/tools';
 import options from '@/options';
 import { defineCollection, z } from 'astro:content';
@@ -14,7 +15,12 @@ const slug = () =>
     .max(200)
     .regex(/^[a-z0-9]+(?:-[a-z0-9]+)*$/i, 'Invalid slug');
 
-const image = (fallbackImage: string) => z.string().optional().default(fallbackImage);
+const image = (fallbackImage: string) =>
+  z
+    .string()
+    .optional()
+    .default(fallbackImage)
+    .transform((file) => imageMetadata(file));
 
 // Categories Collection
 const categoriesCollection = defineCollection({
diff --git a/src/helpers/schema.ts b/src/helpers/schema.ts
index 5a10051..2efb8fe 100644
--- a/src/helpers/schema.ts
+++ b/src/helpers/schema.ts
@@ -1,5 +1,4 @@
 import { defaultCover } from '@/content/config.ts';
-import { imageMetadata, type Image } from '@/helpers/images';
 import options from '@/options';
 import { getCollection, getEntry, type Render } from 'astro:content';
 
@@ -11,22 +10,19 @@ const postsCollection = await getCollection('posts');
 const tagsCollection = await getCollection('tags');
 
 // Redefine the types from the astro content.
-export type Category = Omit<(typeof categoriesCollection)[number]['data'], 'cover'> & {
+export type Category = (typeof categoriesCollection)[number]['data'] & {
   counts: number;
   permalink: string;
-  cover: Image;
 };
 export type Friend = (typeof friendsCollection)[number]['data'][number];
-export type Page = Omit<(typeof pagesCollection)[number]['data'], 'cover'> & {
+export type Page = (typeof pagesCollection)[number]['data'] & {
   slug: string;
   permalink: string;
-  cover: Image;
   render: () => Render['.mdx'];
 };
-export type Post = Omit<(typeof postsCollection)[number]['data'], 'cover'> & {
+export type Post = (typeof postsCollection)[number]['data'] & {
   slug: string;
   permalink: string;
-  cover: Image;
   render: () => Render['.mdx'];
   raw: () => Promise<string>;
 };
@@ -35,52 +31,42 @@ export type Tag = (typeof tagsCollection)[number]['data'][number] & { counts: nu
 // Translate the Astro content into the original content for dealing with different configuration types.
 export const friends: Friend[] = friendsCollection[0].data;
 // Override the website for local debugging
-export const pages: Page[] = await Promise.all(
-  pagesCollection
-    .filter((page) => page.data.published || !options.isProd())
-    .map(async (page) => ({
-      slug: page.slug,
-      permalink: `/${page.slug}`,
-      render: async () => {
-        const entry = await getEntry('pages', page.slug);
-        return entry.render();
-      },
-      ...page.data,
-      cover: await imageMetadata(page.data.cover),
-    })),
-);
-export const posts: Post[] = (
-  await Promise.all(
-    postsCollection
-      .filter((post) => post.data.published || !options.isProd())
-      .map(async (post) => ({
-        slug: post.slug,
-        permalink: `/posts/${post.slug}`,
-        render: async () => {
-          const entry = await getEntry('posts', post.slug);
-          return entry.render();
-        },
-        raw: async () => {
-          const entry = await getEntry('posts', post.slug);
-          return entry.body;
-        },
-        ...post.data,
-        cover: await imageMetadata(post.data.cover),
-      })),
-  )
-).sort((left: Post, right: Post) => {
-  const a = left.date.getTime();
-  const b = right.date.getTime();
-  return options.settings.post.sort === 'asc' ? a - b : b - a;
-});
-export const categories: Category[] = await Promise.all(
-  categoriesCollection.map(async (cat) => ({
-    counts: posts.filter((post) => post.category === cat.data.name).length,
-    permalink: `/cats/${cat.data.slug}`,
-    ...cat.data,
-    cover: await imageMetadata(cat.data.cover),
-  })),
-);
+export const pages: Page[] = pagesCollection
+  .filter((page) => page.data.published || !options.isProd())
+  .map((page) => ({
+    slug: page.slug,
+    permalink: `/${page.slug}`,
+    render: async () => {
+      const entry = await getEntry('pages', page.slug);
+      return entry.render();
+    },
+    ...page.data,
+  }));
+export const posts: Post[] = postsCollection
+  .filter((post) => post.data.published || !options.isProd())
+  .map((post) => ({
+    slug: post.slug,
+    permalink: `/posts/${post.slug}`,
+    render: async () => {
+      const entry = await getEntry('posts', post.slug);
+      return entry.render();
+    },
+    raw: async () => {
+      const entry = await getEntry('posts', post.slug);
+      return entry.body;
+    },
+    ...post.data,
+  }))
+  .sort((left: Post, right: Post) => {
+    const a = left.date.getTime();
+    const b = right.date.getTime();
+    return options.settings.post.sort === 'asc' ? a - b : b - a;
+  });
+export const categories: Category[] = categoriesCollection.map((cat) => ({
+  counts: posts.filter((post) => post.category === cat.data.name).length,
+  permalink: `/cats/${cat.data.slug}`,
+  ...cat.data,
+}));
 export const tags: Tag[] = tagsCollection[0].data.map((tag) => ({
   counts: posts.filter((post) => post.tags.includes(tag.name)).length,
   permalink: `/tags/${tag.slug}`,