diff --git a/src/pages/main/index.tsx b/src/pages/main/index.tsx
index 0e44711..51018b7 100644
--- a/src/pages/main/index.tsx
+++ b/src/pages/main/index.tsx
@@ -2,26 +2,12 @@ import { useState, useEffect } from "react";
 import { MessageInput } from "./message-input";
 import { MessageList } from "./message-list";
 import { Sidebar } from "./sidebar";
-import { Button } from "@chakra-ui/react";
 import styled from "@emotion/styled";
-import axios from "axios";
-
-const KAKAO_AUTH_URL = `http://127.0.0.1:8080`;
 
 const MainPage = () => {
   const [messages, setMessages] = useState<string[]>([]);
   const [inputMessage, setInputMessage] = useState("");
-  const [isSidebarOpen, setSidebarOpen] = useState(true);
-  const [isLoggedIn, setIsLoggedIn] = useState(false);
-  const [userInfo, setUserInfo] = useState({ name: "", email: "" });
-
-  useEffect(() => {
-    const kakaoToken = localStorage.getItem("kakaoToken");
-    if (kakaoToken) {
-      setIsLoggedIn(true);
-      fetchUserInfo(kakaoToken);
-    }
-  }, []);
+  const [isSidebarOpen, setSidebarOpen] = useState(false);
 
   const handleSendMessage = () => {
     if (inputMessage.trim()) {
@@ -39,28 +25,6 @@ const MainPage = () => {
     setSidebarOpen((prev) => !prev);
   };
 
-  const handleKakaoLogin = () => {
-    window.location.href = KAKAO_AUTH_URL;
-  };
-
-  const fetchUserInfo = async (token: string) => {
-    try {
-      const response = await axios.get(
-        "http://127.0.0.1:8080/api/member/info",
-        {
-          headers: {
-            Authorization: `Bearer ${token}`,
-          },
-        }
-      );
-      if (response.status === 200) {
-        setUserInfo(response.data);
-      }
-    } catch (error) {
-      console.error("사용자 정보를 불러오는 중 오류 발생:", error);
-    }
-  };
-
   return (
     <>
       <SidebarWrapper isOpen={isSidebarOpen}>
@@ -68,25 +32,6 @@ const MainPage = () => {
       </SidebarWrapper>
 
       <Wrapper>
-        <Header>
-          {!isLoggedIn ? (
-            <KakaoLoginButton onClick={handleKakaoLogin}>
-              카카오 로그인
-            </KakaoLoginButton>
-          ) : (
-            <UserInfo>
-              <p>{userInfo.name}님 환영합니다!</p>
-              <Button
-                onClick={() => {
-                  localStorage.removeItem("kakaoToken");
-                  setIsLoggedIn(false);
-                }}
-              >
-                로그아웃
-              </Button>
-            </UserInfo>
-          )}
-        </Header>
         <MessageList messages={messages} />
         <MessageInput
           inputMessage={inputMessage}
@@ -119,32 +64,3 @@ const Wrapper = styled.div`
   margin-left: 0;
   transition: margin-left 0.3s ease-in-out;
 `;
-
-// 헤더 스타일 (카카오 로그인 버튼을 위한 상단 영역)
-const Header = styled.div`
-  position: fixed;
-  top: 10px;
-  right: 10px;
-  z-index: 1000;
-  display: flex;
-  align-items: center;
-`;
-
-// 카카오 로그인 버튼 스타일
-const KakaoLoginButton = styled(Button)`
-  background-color: #fee500;
-  color: #000;
-  &:hover {
-    background-color: #ffd700;
-  }
-`;
-
-// 사용자 정보 스타일
-const UserInfo = styled.div`
-  display: flex;
-  align-items: center;
-  gap: 10px;
-  p {
-    margin: 0;
-  }
-`;
diff --git a/src/pages/main/sidebar/index.tsx b/src/pages/main/sidebar/index.tsx
index 710bfbe..0e6c15b 100644
--- a/src/pages/main/sidebar/index.tsx
+++ b/src/pages/main/sidebar/index.tsx
@@ -1,6 +1,6 @@
 // sidebar.tsx
 
-import { Box, IconButton, Flex } from "@chakra-ui/react";
+import { Box, IconButton, Flex, Link, Button } from "@chakra-ui/react";
 import { ArrowForwardIcon, ArrowBackIcon } from "@chakra-ui/icons";
 import styled from "@emotion/styled";
 import knuLogo from "@/assets/knuLogo.svg";
@@ -11,6 +11,10 @@ interface SidebarProps {
 }
 
 export const Sidebar: React.FC<SidebarProps> = ({ isOpen, toggleSidebar }) => {
+  const handleKakaoLogin = () => {
+    window.location.href = "http://127.0.0.1:8080";
+  };
+
   return (
     <>
       <SidebarContainer isOpen={isOpen}>
@@ -49,8 +53,38 @@ export const Sidebar: React.FC<SidebarProps> = ({ isOpen, toggleSidebar }) => {
               style={{ width: "100px", height: "100px" }}
             />
             <Divider />
+            <KakaoLoginButton onClick={handleKakaoLogin}>
+              <KakaoLoginImage
+                src="https://developers.kakao.com/tool/resource/static/img/button/login/full/ko/kakao_login_large_wide.png"
+                alt="카카오 로그인"
+              />
+            </KakaoLoginButton>
           </Flex>
         )}
+        {isOpen && (
+          <Footer>
+            <p>경북대학교 IT대학 컴퓨터학부</p>
+            <p>
+              우)41566 대구광역시 북구 대학로 80 / IT대학 융복합관
+              317호(건물번호 : 415)
+            </p>
+            <p>TEL. 학부 : 950-5550 , 대학원 : 950-6420 </p>
+            <p>FAX. 053-957-4846</p>
+            <p>E-mail. scse@knu.ac.kr</p>
+            <p>
+              담당자 현황:
+              <Link
+                href="https://computer.knu.ac.kr/bbs/board.php?bo_table=sub2_5"
+                color="white"
+                fontWeight="bold"
+                textDecoration="Highlight"
+              >
+                링크 연결
+              </Link>
+            </p>
+            <p>Copyright(c) 2024, KNU CSE All rights reserved</p>
+          </Footer>
+        )}
       </SidebarContainer>
     </>
   );
@@ -94,8 +128,8 @@ const ToggleButton = styled(IconButton)`
   }
 
   &:hover {
-    background-color: #e0a89b;
-    transform: translateY(-50%) scale(1.1);
+    background-color: #fcb9aa;
+    transform: translateY(-50%) scale(1.2);
   }
 `;
 
@@ -105,3 +139,36 @@ const Divider = styled.hr`
   border-top: 1px solid white;
   margin: 20px 0;
 `;
+
+const Footer = styled(Box)`
+  position: absolute;
+  bottom: 0;
+  padding: 20px;
+  font-size: 12px;
+  line-height: 1.5;
+  text-align: left;
+  color: white;
+  width: 100%;
+  margin-left: auto;
+  margin-right: auto;
+`;
+
+const KakaoLoginButton = styled(Button)`
+  margin-top: 20px;
+  background-color: transparent;
+  border: none;
+  padding: 0;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+
+  &:hover {
+    background-color: transparent;
+  }
+`;
+
+const KakaoLoginImage = styled.img`
+  width: 300px;
+  height: 45px;
+  filter: brightness(1.2);
+`;