diff --git a/src/app/admin/(block)/block-menu.tsx b/src/app/admin/(block)/block-menu.tsx
index cf27e64b..716786a1 100644
--- a/src/app/admin/(block)/block-menu.tsx
+++ b/src/app/admin/(block)/block-menu.tsx
@@ -1,5 +1,5 @@
 import React, { SetStateAction } from "react";
-import { blockTypes } from "@config/block_types";
+import { blockTypes } from "@/types/block_types";
 import Link from "next/link";
 import Image from "next/image";
 import Portal from "@app/components/portal";
diff --git a/src/app/admin/(block)/calendar/components/schedule-form.tsx b/src/app/admin/(block)/calendar/components/schedule-form.tsx
index 8c4dc291..1edc64d6 100644
--- a/src/app/admin/(block)/calendar/components/schedule-form.tsx
+++ b/src/app/admin/(block)/calendar/components/schedule-form.tsx
@@ -74,19 +74,10 @@ export default function ScheduleForm({
       if (mode === "edit") return;
 
       try {
-        const token = sessionStorage.getItem("token");
-        if (!token) {
-          throw new Error("로그인이 필요합니다.");
-        }
-
-        const response = await fetch(
-          `${process.env.NEXT_PUBLIC_API_URL}/api/link/list`,
-          {
-            headers: {
-              Authorization: `Bearer ${token}`,
-            },
-          },
-        );
+        const response = await fetch("/api/link/list", {
+          credentials: "include",
+          method: "GET",
+        });
 
         if (!response.ok) {
           throw new Error(`HTTP error! status: ${response.status}`);
@@ -121,17 +112,10 @@ export default function ScheduleForm({
     };
 
     try {
-      const token = sessionStorage.getItem("token");
-      if (!token) throw new Error("인증 토큰이 없습니다. 다시 로그인해주세요.");
-
-      const listResponse = await fetch(
-        `${process.env.NEXT_PUBLIC_API_URL}/api/link/list`,
-        {
-          headers: {
-            Authorization: `Bearer ${token}`,
-          },
-        },
-      );
+      const listResponse = await fetch("/api/link/list", {
+        credentials: "include",
+        method: "GET",
+      });
 
       if (!listResponse.ok) {
         throw new Error("기존 일정을 불러오는데 실패했습니다.");
@@ -161,33 +145,23 @@ export default function ScheduleForm({
         requestBody = {
           id: blockId,
           type: 7,
-          sequence: existingCalendarBlock?.sequence || 1,
           style: existingCalendarBlock?.style || 1,
           schedule: updatedSchedules,
         };
       } else {
         // 새로운 캘린더 블록 생성 및 일정 추가
-        const nextSequence = await getSequence();
-        if (!nextSequence) return;
         requestBody = {
           type: 7,
-          sequence: nextSequence + 1,
           style: 1,
           schedule: [newSchedule],
         };
       }
 
-      const response = await fetch(
-        `${process.env.NEXT_PUBLIC_API_URL}/api/link/${blockId ? "update" : "add"}`,
-        {
-          method: "POST",
-          headers: {
-            "Content-Type": "application/json",
-            Authorization: `Bearer ${token}`,
-          },
-          body: JSON.stringify(requestBody),
-        },
-      );
+      const response = await fetch(`/api/link/${blockId ? "update" : "add"}`, {
+        credentials: "include",
+        method: "POST",
+        body: JSON.stringify(requestBody),
+      });
 
       if (!response.ok) {
         throw new Error(
diff --git a/src/app/admin/(block)/calendar/components/schedule-list.tsx b/src/app/admin/(block)/calendar/components/schedule-list.tsx
index d91ce760..54469944 100644
--- a/src/app/admin/(block)/calendar/components/schedule-list.tsx
+++ b/src/app/admin/(block)/calendar/components/schedule-list.tsx
@@ -193,12 +193,11 @@ export default function ScheduleList() {
       const requestBody = {
         id: calendarBlock.id,
         type: 7,
-        sequence: calendarBlock.sequence,
         style: calendarBlock.style,
         schedule: updatedSchedules,
       };
 
-      const response = await fetch(`$/api/link/update`, {
+      const response = await fetch(`/api/link/update`, {
         method: "POST",
         headers: {
           "Content-Type": "application/json",
diff --git a/src/app/admin/(block)/calendar/manage/page.tsx b/src/app/admin/(block)/calendar/manage/page.tsx
index 5f41a274..9dd01b05 100644
--- a/src/app/admin/(block)/calendar/manage/page.tsx
+++ b/src/app/admin/(block)/calendar/manage/page.tsx
@@ -50,17 +50,10 @@ function ScheduleContent() {
         }
 
         try {
-          const token = sessionStorage.getItem("token");
-          if (!token) throw new Error("로그인이 필요합니다.");
-
-          const response = await fetch(
-            `${process.env.NEXT_PUBLIC_API_URL}/api/link/list`,
-            {
-              headers: {
-                Authorization: `Bearer ${token}`,
-              },
-            },
-          );
+          const response = await fetch("/api/link/list", {
+            credentials: "include",
+            method: "POST",
+          });
 
           if (!response.ok)
             throw new Error("데이터를 불러오는데 실패했습니다.");
diff --git a/src/app/admin/components/home-menu.tsx b/src/app/admin/components/home-menu.tsx
index 33b5e1e1..09784762 100644
--- a/src/app/admin/components/home-menu.tsx
+++ b/src/app/admin/components/home-menu.tsx
@@ -11,6 +11,14 @@ const HomeMenu = () => {
   async function handleLogout() {
     try {
       // 인증 관련 데이터 제거
+      const response = await fetch("/api/logout", {
+        credentials: "include",
+        method: "POST",
+      });
+      if (response.ok) {
+        alert("로그아웃 되었습니다.");
+        router.push(`/intro`);
+      }
     } catch (error) {
       console.error("로그아웃 중 오류 발생:", error);
     }
diff --git a/src/app/api/link/add/route.tsx b/src/app/api/link/add/route.tsx
index 34678c5a..6519b7fe 100644
--- a/src/app/api/link/add/route.tsx
+++ b/src/app/api/link/add/route.tsx
@@ -18,7 +18,6 @@ interface ScheduleType {
 interface NewData {
   id: number;
   type: number;
-  sequence: number;
   url?: string;
   style?: number;
   title?: string;
@@ -53,12 +52,11 @@ export async function POST(request: NextRequest) {
     ) as JwtPayload;
     const userId = decoded.userId;
     const userDocument = await collection.findOne({ userId });
-    const newId = userDocument?.data.length ?? 0;
+    const newId = userDocument?.data?.length ?? 0;
 
     const body = await request.json();
     const {
       type,
-      sequence,
       url,
       style,
       title,
@@ -73,7 +71,6 @@ export async function POST(request: NextRequest) {
     const newData: NewData = {
       id: newId,
       type,
-      sequence,
       url,
       style,
       title,
@@ -82,15 +79,12 @@ export async function POST(request: NextRequest) {
       subText02,
       dateStart,
       dateEnd,
-      schedule,
+      schedule: schedule?.map((item: ScheduleType, index: number) => ({
+        ...item,
+        id: index,
+      })),
     };
 
-    await collection.updateOne(
-      { userId },
-      { $setOnInsert: { data: [] } },
-      { upsert: true },
-    );
-
     const result = await collection.updateOne(
       { userId },
       { $push: { data: newData } },
diff --git a/src/app/api/link/update/route.tsx b/src/app/api/link/update/route.tsx
index 7bd9b7d2..4200e6b0 100644
--- a/src/app/api/link/update/route.tsx
+++ b/src/app/api/link/update/route.tsx
@@ -13,7 +13,7 @@ interface UserDocument {
 }
 
 interface ScheduleType {
-  id: number;
+  id?: number;
   title: string;
   url: string;
   dateStart: string;
diff --git a/src/app/api/logout/route.tsx b/src/app/api/logout/route.tsx
index f07fb520..52f8662f 100644
--- a/src/app/api/logout/route.tsx
+++ b/src/app/api/logout/route.tsx
@@ -1,6 +1,6 @@
 import { NextResponse } from "next/server";
 
-export async function GET() {
+export async function POST() {
   try {
     const response = NextResponse.json({ message: "Logged out successfully" });
 
diff --git a/src/app/profile/edit/page.tsx b/src/app/profile/edit/page.tsx
index 48568c1d..7180a00c 100644
--- a/src/app/profile/edit/page.tsx
+++ b/src/app/profile/edit/page.tsx
@@ -78,7 +78,7 @@ export default function ProfileEdit() {
   useEffect(() => {
     async function fetchUserInfo() {
       try {
-        const response = await fetch(`$/api/user/info`, {
+        const response = await fetch(`/api/user/info`, {
           credentials: "include",
         });
         const data = await response.json();
diff --git a/src/middleware.ts b/src/middleware.ts
index 40e42cf7..45bf5bda 100644
--- a/src/middleware.ts
+++ b/src/middleware.ts
@@ -2,7 +2,7 @@
 import { NextRequest, NextResponse } from "next/server";
 
 export function middleware(request: NextRequest) {
-  const token = request.cookies.get("token");
+  // const token = request.cookies.get("token");
 
   // 비로그인 사용자가 특정 페이지에 접근하면 intro 페이지로 리다이렉트
   // if (
diff --git a/src/config/block_types.ts b/src/types/block_types.ts
similarity index 100%
rename from src/config/block_types.ts
rename to src/types/block_types.ts
diff --git a/src/utils/apis/index.ts b/src/utils/apis/index.ts
index 98e630ff..c0205c9c 100644
--- a/src/utils/apis/index.ts
+++ b/src/utils/apis/index.ts
@@ -8,8 +8,6 @@ class Apis {
 }
 
 class adminApis extends Apis {
-  sequence: number | undefined = undefined;
-
   async getVisitor() {
     try {
       return await fetch(`/api/user/visitor`, {
@@ -33,7 +31,6 @@ class adminApis extends Apis {
       });
 
       if (response.ok) {
-        this.sequence = 0;
         return response;
       } else {
         return response;