diff --git a/src/lib/api.ts b/src/lib/api.ts
index 6aa66bd..987aca4 100644
--- a/src/lib/api.ts
+++ b/src/lib/api.ts
@@ -6,22 +6,44 @@ import { join } from "path";
 const postsDirectory = join(process.cwd(), "_posts");
 
 export function getPostSlugs() {
-  return fs.readdirSync(postsDirectory);
+  try {
+    return fs.readdirSync(postsDirectory);
+  } catch (error) {
+    console.error("Error reading post directory:", error);
+    return [];
+  }
 }
 
 export function getPostBySlug(slug: string) {
-  const realSlug = slug.replace(/\.md$/, "");
-  const fullPath = join(postsDirectory, `${realSlug}.md`);
-  const fileContents = fs.readFileSync(fullPath, "utf8");
-  const { data, content } = matter(fileContents);
+  try {
+    const realSlug = slug.replace(/\.md$/, "");
+    const fullPath = join(postsDirectory, `${realSlug}.md`);
 
-  return { ...data, slug: realSlug, content } as Post;
+    if (!fs.existsSync(fullPath)) {
+      throw new Error(`File not found: ${fullPath}`);
+    }
+
+    const fileContents = fs.readFileSync(fullPath, "utf8");
+    const { data, content } = matter(fileContents);
+
+    return { ...data, slug: realSlug, content } as Post;
+  } catch (error) {
+    console.error(`Error getting post by slug ${slug}:`, error);
+    return null;
+  }
 }
 
 export function getAllPosts(): Post[] {
-  const slugs = getPostSlugs();
-  const posts = slugs
-    .map((slug) => getPostBySlug(slug))
-    .sort((post1, post2) => (post1.date > post2.date ? -1 : 1));
-  return posts;
+  try {
+    const slugs = getPostSlugs();
+    const posts = slugs
+      .map((slug) => getPostBySlug(slug))
+      .filter((post): post is Post => post !== null) // null 값 제외
+      .sort((post1, post2) => (post1.date > post2.date ? -1 : 1));
+
+    return posts;
+  } catch (error) {
+    console.error("Error getting all posts:", error);
+    return [];
+  }
 }