diff --git a/app/lib/dbConnect.ts b/app/lib/dbConnect.ts
index 6e3b67d..4e108c8 100644
--- a/app/lib/dbConnect.ts
+++ b/app/lib/dbConnect.ts
@@ -66,10 +66,12 @@ async function dbConnect(uri?: string, retries = 3): Promise<Mongoose> {
     const opts = {
       bufferCommands: false,
       maxPoolSize: 10,
-      minPoolSize: 2,
-      serverSelectionTimeoutMS: 5000,
-      socketTimeoutMS: 45000,
+      minPoolSize: 1,
+      serverSelectionTimeoutMS: 10000,
+      socketTimeoutMS: 20000,
       connectTimeoutMS: 10000,
+      maxIdleTimeMS: 30000,
+      waitQueueTimeoutMS: 5000,
     };
 
     cached.promise = mongoose
diff --git a/app/posts/[slug]/error.tsx b/app/posts/[slug]/error.tsx
new file mode 100644
index 0000000..5aefa88
--- /dev/null
+++ b/app/posts/[slug]/error.tsx
@@ -0,0 +1,50 @@
+'use client';
+
+import Link from 'next/link';
+import { useEffect } from 'react';
+
+export default function Error({
+  error,
+  reset,
+}: {
+  error: Error & { digest?: string };
+  reset: () => void;
+}) {
+  useEffect(() => {
+    console.error('Post detail error:', error);
+  }, [error]);
+
+  return (
+    <div className="flex flex-col items-center justify-center min-h-[60vh] px-4">
+      <div className="max-w-md w-full text-center space-y-6">
+        <h2 className="text-3xl font-bold text-gray-900 dark:text-gray-100">
+          글을 불러오는데 실패했습니다
+        </h2>
+        <p className="text-gray-600 dark:text-gray-400">
+          {error.message === 'Post not found'
+            ? '요청하신 글을 찾을 수 없습니다.'
+            : '일시적인 오류가 발생했습니다. 잠시 후 다시 시도해주세요.'}
+        </p>
+        <div className="flex gap-4 justify-center">
+          <button
+            onClick={reset}
+            className="px-6 py-2 bg-primary-mountain text-white rounded-lg hover:bg-primary-mountain-dark transition-colors"
+          >
+            다시 시도
+          </button>
+          <Link
+            href="/posts"
+            className="px-6 py-2 bg-gray-200 dark:bg-gray-700 text-gray-900 dark:text-gray-100 rounded-lg hover:bg-gray-300 dark:hover:bg-gray-600 transition-colors"
+          >
+            목록으로
+          </Link>
+        </div>
+        {error.digest && (
+          <p className="text-xs text-gray-500 dark:text-gray-600">
+            오류 ID: {error.digest}
+          </p>
+        )}
+      </div>
+    </div>
+  );
+}
diff --git a/app/posts/[slug]/loading.tsx b/app/posts/[slug]/loading.tsx
new file mode 100644
index 0000000..8193b36
--- /dev/null
+++ b/app/posts/[slug]/loading.tsx
@@ -0,0 +1,12 @@
+import SVGLoadingSpinner from '@/app/entities/common/Loading/SVGLoadingSpinner';
+
+export default function Loading() {
+  return (
+    <div className="flex flex-col items-center justify-center min-h-[60vh]">
+      <SVGLoadingSpinner />
+      <p className="mt-4 text-gray-600 dark:text-gray-400">
+        글을 불러오는 중...
+      </p>
+    </div>
+  );
+}
diff --git a/app/posts/[slug]/page.tsx b/app/posts/[slug]/page.tsx
index a135b2b..96f2944 100644
--- a/app/posts/[slug]/page.tsx
+++ b/app/posts/[slug]/page.tsx
@@ -21,7 +21,7 @@ export async function generateStaticParams() {
 }
 
 // ISR 활성화하기
-export const revalidate = 60; // 60초마다 재검증
+export const revalidate = 300; // 300초(5분)마다 재검증
 
 async function getPostDetail(slug: string) {
   await dbConnect();
@@ -60,7 +60,7 @@ export const generateMetadata = async ({
       authors: [post.author],
     },
     other: {
-      'application-name': 'Shipfriend Tech Blog',
+      'application-name': 'ShipFriend TechBlog',
       author: post.author,
       publish_date: new Date(post.date).toISOString(),
       'og:type': 'article',
diff --git a/app/posts/layout.tsx b/app/posts/layout.tsx
index 16137b0..fcb9de5 100644
--- a/app/posts/layout.tsx
+++ b/app/posts/layout.tsx
@@ -1,11 +1,11 @@
 import { Suspense } from 'react';
-import SVGLoadingSpinner from '@/app/entities/common/Loading/SVGLoadingSpinner';
+import Loading from './[slug]/loading';
 
 interface LayoutProps {
   children: React.ReactNode;
 }
 const Layout = ({ children }: LayoutProps) => {
-  return <Suspense fallback={<SVGLoadingSpinner />}>{children}</Suspense>;
+  return <Suspense fallback={<Loading />}>{children}</Suspense>;
 };
 
 export default Layout;