diff --git a/src/app/informations/write/page.tsx b/src/app/informations/write/page.tsx
index 5cbb59cc..c8eba1a0 100644
--- a/src/app/informations/write/page.tsx
+++ b/src/app/informations/write/page.tsx
@@ -1,6 +1,8 @@
 import PagePath from "@/components/common/PagePath";
 import InformationEditorContainer from "@/containers/informations/write/InformationEditorContainer";
 import { Metadata } from "next";
+import { cookies } from "next/headers";
+import { redirect } from "next/navigation";
 
 export const metadata: Metadata = {
   title: "정보 등록하기",
@@ -8,6 +10,11 @@ export const metadata: Metadata = {
 };
 
 export default function page() {
+  const cookie = cookies().get("access_token");
+  if (!cookie) {
+    redirect("/auth/signin");
+  }
+
   return (
     <div className="flex flex-col items-center">
       <PagePath first="정보" second={"정보 등록하기"} />
diff --git a/src/components/informations/detail/InformationViewer.tsx b/src/components/informations/detail/InformationViewer.tsx
index 56dc5981..6059019b 100644
--- a/src/components/informations/detail/InformationViewer.tsx
+++ b/src/components/informations/detail/InformationViewer.tsx
@@ -53,7 +53,7 @@ const InformationViewer = async ({ informationId }: Props) => {
                   {data.userPostingResponse.name}
                 </p>
                 <p className="text-xs text-gray1 dark:text-slate-400">
-                  {`${data.createdDate}`}
+                  {`${new Date(data.createdDate).toLocaleDateString()}`}
                 </p>
               </div>
             </div>
@@ -91,7 +91,7 @@ const InformationViewer = async ({ informationId }: Props) => {
                     {data.userPostingResponse.name}
                   </p>
                   <p className="text-xs text-gray1 dark:text-slate-400">
-                    {`${data.createdDate}`}
+                    {`${new Date(data.createdDate).toLocaleDateString()}`}
                   </p>
                 </div>
               </div>
diff --git a/src/containers/common/HeaderContainer.tsx b/src/containers/common/HeaderContainer.tsx
index 24c60e5e..681bedfc 100644
--- a/src/containers/common/HeaderContainer.tsx
+++ b/src/containers/common/HeaderContainer.tsx
@@ -45,13 +45,13 @@ const HeaderContainer = () => {
     // 자동 로그인
     const login = async () => {
       const data = await fetchWithAuth("/api/auth/user");
-        if (data.status == 200) {
-          data.json().then((res: userResponseDto) => {
-            authStore.setUser(res);
-          });
-        }
+      if (data.status == 200) {
+        data.json().then((res: userResponseDto) => {
+          authStore.setUser(res);
+        });
+      }
     };
-      login();
+    login();
     // eslint-disable-next-line react-hooks/exhaustive-deps
   }, []);