diff --git a/src/pages/LoginPage.tsx b/src/pages/LoginPage.tsx
index 17a3f89..44b843e 100644
--- a/src/pages/LoginPage.tsx
+++ b/src/pages/LoginPage.tsx
@@ -1,5 +1,13 @@
 import { ExternalLinkIcon } from "lucide-react";
+import { useEffect, useState } from "react";
 import { Button } from "@/components/ui/button";
+import {
+  Dialog,
+  DialogContent,
+  DialogDescription,
+  DialogHeader,
+  DialogTitle,
+} from "@/components/ui/dialog";
 import { useExternalBrowser } from "@/hooks/useExternalBrowser";
 import { Analytics } from "@/service/analytics";
 import BrowserRedirectPage from "./BrowserRedirectPage";
@@ -8,78 +16,125 @@ const GOOGLE_LOGIN_URL = `${import.meta.env.VITE_API_URL}/oauth2/authorization/g
 const AEGIS_HOMEPAGE_URL = "https://dkuaegis.org/";
 const GMAIL_GUIDE_URL = "https://sites.google.com/dankook.ac.kr/help";
 
+// IBK 기업은행 점검 시간 체크 함수
+const isMaintenanceTime = (): boolean => {
+  const now = new Date();
+  const month = now.getMonth() + 1; // 0-based이므로 +1
+  const date = now.getDate();
+  const hours = now.getHours();
+
+  // 3월 1일 0시~12시 (0시부터 11시 59분까지)
+  return month === 3 && date === 1 && hours >= 0 && hours < 12;
+};
+
 const LoginPage = () => {
   const { isKakaoInApp } = useExternalBrowser();
+  const [showMaintenanceModal, setShowMaintenanceModal] = useState(false);
+  const [isMaintenance, setIsMaintenance] = useState(false);
+
+  useEffect(() => {
+    const maintenance = isMaintenanceTime();
+    setIsMaintenance(maintenance);
+    if (maintenance) {
+      setShowMaintenanceModal(true);
+    }
+  }, []);
 
   if (isKakaoInApp) {
     return <BrowserRedirectPage />;
   }
 
   return (
-    <div className="line-breaks flex min-h-screen flex-col items-center justify-center bg-background">
-      <div className="w-full max-w-[400px] space-y-6 p-4">
-        <div className="flex flex-col space-y-2 text-center">
-          <img
-            src="/aegis-logo.webp"
-            alt="Aegis Logo"
-            className="mx-auto mb-4 h-32 w-32"
-          />
-          <h1 className="font-semibold text-2xl tracking-tight">
-            Aegis 회원 가입
-          </h1>
-          <p className="text-muted-foreground text-sm">
-            단국대학교 구글 계정으로 로그인해주세요
-          </p>
+    <>
+      <Dialog
+        open={showMaintenanceModal}
+        onOpenChange={setShowMaintenanceModal}
+      >
+        <DialogContent>
+          <DialogHeader>
+            <DialogTitle>시스템 점검 안내</DialogTitle>
+            <DialogDescription className="pt-4 text-base">
+              IBK 기업은행 시스템 점검으로 인해
+              <br />
+              <strong className="text-foreground">3월 1일 0시 ~ 12시</strong>
+              까지
+              <br />
+              회원 가입이 불가능합니다.
+              <br />
+              <br />
+              점검 종료 후 이용해주시기 바랍니다.
+            </DialogDescription>
+          </DialogHeader>
+        </DialogContent>
+      </Dialog>
+
+      <div className="line-breaks flex min-h-screen flex-col items-center justify-center bg-background">
+        <div className="w-full max-w-[400px] space-y-6 p-4">
+          <div className="flex flex-col space-y-2 text-center">
+            <img
+              src="/aegis-logo.webp"
+              alt="Aegis Logo"
+              className="mx-auto mb-4 h-32 w-32"
+            />
+            <h1 className="font-semibold text-2xl tracking-tight">
+              Aegis 회원 가입
+            </h1>
+            <p className="text-muted-foreground text-sm">
+              단국대학교 구글 계정으로 로그인해주세요
+            </p>
+          </div>
+          {!isMaintenance && (
+            <Button
+              onClick={() => {
+                Analytics.safeTrack("Google_Login_Click", {
+                  category: "Auth",
+                  method: "Google",
+                });
+              }}
+              className="w-full"
+              asChild
+            >
+              <a href={GOOGLE_LOGIN_URL}>Google로 로그인</a>
+            </Button>
+          )}
+          <Button
+            onClick={() => {
+              Analytics.safeTrack("Go_Homepage_Click", {
+                category: "Auth",
+                method: "Email",
+              });
+            }}
+            className="w-full"
+            asChild
+          >
+            <a
+              href={AEGIS_HOMEPAGE_URL}
+              target="_blank"
+              rel="noopener noreferrer"
+            >
+              Aegis 홈페이지
+            </a>
+          </Button>
         </div>
-        <Button
-          onClick={() => {
-            Analytics.safeTrack("Google_Login_Click", {
-              category: "Auth",
-              method: "Google",
-            });
-          }}
-          className="w-full"
-          asChild
-        >
-          <a href={GOOGLE_LOGIN_URL}>Google로 로그인</a>
-        </Button>
-        <Button
-          onClick={() => {
-            Analytics.safeTrack("Go_Homepage_Click", {
-              category: "Auth",
-              method: "Email",
-            });
-          }}
-          className="w-full"
-          asChild
-        >
+        <div className="flex flex-col text-center">
           <a
-            href={AEGIS_HOMEPAGE_URL}
+            href={GMAIL_GUIDE_URL}
             target="_blank"
             rel="noopener noreferrer"
+            className="inline-flex items-center justify-center gap-1 font-extrabold text-muted-foreground text-sm underline"
+            onClick={() => {
+              Analytics.safeTrack("Gmail_Guide_Click", {
+                category: "Link",
+                method: "Guide",
+              });
+            }}
           >
-            Aegis 홈페이지
+            단국대 Gmail 생성 가이드
+            <ExternalLinkIcon className="h-4 w-4" />
           </a>
-        </Button>
-      </div>
-      <div className="flex flex-col text-center">
-        <a
-          href={GMAIL_GUIDE_URL}
-          target="_blank"
-          rel="noopener noreferrer"
-          className="inline-flex items-center justify-center gap-1 font-extrabold text-muted-foreground text-sm underline"
-          onClick={() => {
-            Analytics.safeTrack("Gmail_Guide_Click", {
-              category: "Link",
-              method: "Guide",
-            });
-          }}
-        >
-          단국대 Gmail 생성 가이드
-          <ExternalLinkIcon className="h-4 w-4" />
-        </a>
+        </div>
       </div>
-    </div>
+    </>
   );
 };
 
diff --git a/src/pages/Payment/Payment.Information.tsx b/src/pages/Payment/Payment.Information.tsx
index 4e3107c..bba22b0 100644
--- a/src/pages/Payment/Payment.Information.tsx
+++ b/src/pages/Payment/Payment.Information.tsx
@@ -54,7 +54,7 @@ const Information: React.FC = () => {
   const handleCopy = async () => {
     try {
       await navigator.clipboard.writeText(
-        import.meta.env.VITE_ADMIN_ACCOUNT_NUMBER,
+        import.meta.env.VITE_ADMIN_ACCOUNT_NUMBER
       );
       toast.success("복사되었습니다.");
     } catch (error) {