diff --git a/public/css/custom.css b/public/css/custom.css
index e57b64f..1e22a80 100644
--- a/public/css/custom.css
+++ b/public/css/custom.css
@@ -157,7 +157,7 @@
 .fc-toolbar-title {
     cursor: pointer;
 }
-/* 클릭 가능한 날짜 (오늘 + 미래) */
+/* 클릭 가능한 날짜 */
 .fc-daygrid-day.clickable {
     cursor: pointer;
     transition: background-color 0.2s ease-in-out;
@@ -362,6 +362,28 @@
     background-color: #0b5ed7 !important;
     color: white;
 }
+/* 풀 연차 버튼 스타일 */
+.vac-btn-primary {
+    color: #fff;
+    background-color: #28a745; /* 녹색 */
+    border-color: #28a745;
+    box-shadow: 0 0.125rem 0.25rem 0 rgba(40, 167, 69, 0.4);
+    font-size: 28px;
+    transition: all 0.2s ease-in-out;
+}
+/* 풀 연차 버튼 활성화 스타일 */
+.vac-btn-primary.active {
+    background-color: #218838 !important;
+    color: #fff;
+    border: 3px solid #91d091 !important;
+    box-shadow: 0px 4px 15px rgba(0, 0, 0, 0.3);
+    transform: scale(1.1);
+}
+/* 풀 연차 버튼이 눌렸을 때 효과 */
+.vac-btn-primary:active {
+    transform: scale(0.9);
+    box-shadow: 0px 2px 5px rgba(0, 0, 0, 0.2);
+}
 /* 버튼 기본 */
 .vac-btn-success {
     transition: all 0.2s ease-in-out;
diff --git a/src/components/button/HalfDayButtons.vue b/src/components/button/HalfDayButtons.vue
index b706a2a..90d48e8 100644
--- a/src/components/button/HalfDayButtons.vue
+++ b/src/components/button/HalfDayButtons.vue
@@ -1,67 +1,72 @@
 <template>
     <div class="row gx-2 mb-4">
-        <div class="col-4">
+        <div class="col-3">
             <div class="ratio ratio-1x1">
-            <!-- 오전 반차 버튼 -->
-            <button class="vac-btn vac-btn-warning rounded-circle d-flex align-items-center justify-content-center" :class="{ active: halfDayType === 'AM' }"
-                @click="toggleHalfDay('AM')">
-                <i class="bi bi-sun"></i>
-            </button>
+                <!-- 오전 반차 버튼 -->
+                <button class="vac-btn vac-btn-warning rounded-circle d-flex align-items-center justify-content-center"
+                    :class="{ active: halfDayType === 'AM' }"
+                    @click="toggleHalfDay('AM')">
+                    <i class="bi bi-sun"></i>
+                </button>
             </div>
         </div>
-        <div class="col-4">
+        <div class="col-3">
             <div class="ratio ratio-1x1">
-            <!-- 오후 반차 버튼 -->
-            <button class="vac-btn vac-btn-info rounded-circle d-flex align-items-center justify-content-center" :class="{ active: halfDayType === 'PM' }"
-                @click="toggleHalfDay('PM')">
-                <i class="bi bi-moon"></i>
-            </button>
+                <!-- 오후 반차 버튼 -->
+                <button class="vac-btn vac-btn-info rounded-circle d-flex align-items-center justify-content-center"
+                    :class="{ active: halfDayType === 'PM' }"
+                    @click="toggleHalfDay('PM')">
+                    <i class="bi bi-moon"></i>
+                </button>
             </div>
         </div>
-        <div class="col-4">
+        <div class="col-3">
             <div class="ratio ratio-1x1">
-            <button class="vac-btn-success rounded-circle d-flex align-items-center justify-content-center" @click="addVacationRequests"
-                :class="{ active: !isDisabled, disabled: isDisabled }">
-                ✔
-            </button>
+                <!-- 풀 연차 버튼 -->
+                <button class="vac-btn vac-btn-primary rounded-circle d-flex align-items-center justify-content-center"
+                    :class="{ active: halfDayType === 'FULL' }"
+                    @click="toggleHalfDay('FULL')">
+                    <i class="bi bi-calendar"></i>
+                </button>
+            </div>
+        </div>
+        <div class="col-3">
+            <div class="ratio ratio-1x1">
+                <!-- 저장 버튼 -->
+                <button class="vac-btn-success rounded-circle d-flex align-items-center justify-content-center"
+                    @click="addVacationRequests"
+                    :class="{ active: !isDisabled, disabled: isDisabled }">
+                    ✔
+                </button>
             </div>
         </div>
     </div>
 </template>
 
 <script setup>
-import { defineEmits, ref, defineProps, watch } from "vue";
+import { defineEmits, ref, defineProps } from "vue";
 
 const props = defineProps({
-isDisabled: Boolean,
-selectedDate: String // 날짜 선택 값을 props로 받음
+    isDisabled: Boolean
 });
 
 const emit = defineEmits(["toggleHalfDay", "addVacationRequests", "resetHalfDay"]);
 const halfDayType = ref(null);
 
 const toggleHalfDay = (type) => {
-halfDayType.value = halfDayType.value === type ? null : type;
-emit("toggleHalfDay", halfDayType.value);
+    halfDayType.value = halfDayType.value === type ? null : type;
+    emit("toggleHalfDay", halfDayType.value);
 };
 
-// `selectedDate`가 변경되면 반차 선택 초기화
-watch(() => props.selectedDate, (newDate) => {
-if (newDate) {
-resetHalfDay();
-}
-});
-
-// 날짜 선택 후 반차 버튼 상태 초기화
+// 날짜 클릭 후 버튼 상태 자동 초기화
 const resetHalfDay = () => {
-halfDayType.value = null;
-emit("resetHalfDay");
+    halfDayType.value = null;
+    emit("resetHalfDay");
 };
 
 const addVacationRequests = () => {
-emit("addVacationRequests");
+    emit("addVacationRequests");
 };
 
 defineExpose({ resetHalfDay });
 </script>
-
diff --git a/src/components/modal/VacationModal.vue b/src/components/modal/VacationModal.vue
index b8f3439..1db1647 100644
--- a/src/components/modal/VacationModal.vue
+++ b/src/components/modal/VacationModal.vue
@@ -1,7 +1,7 @@
 <template>
     <div v-if="isOpen" class="vac-modal-dialog" @click.self="closeModal">
         <div class="vac-modal-content p-5 modal-scroll">
-            <h5 class="vac-modal-title">📅 내 연차 내역</h5>
+            <h5 class="vac-modal-title">📅 내 연차 (누적 개수)</h5>
             <button class="close-btn" @click="closeModal">✖</button>
             <!-- 연차 목록 -->
             <div class="vac-modal-body" v-if="mergedVacations.length > 0">
@@ -11,9 +11,6 @@
                     :key="vac._expandIndex"
                     class="vacation-item"
                 >
-                    <span v-if="vac.category === 'used'" class="fw-bold text-dark me-2">
-                        {{ usedVacationIndexMap[vac._expandIndex] }})
-                    </span>
                     <span :class="vac.category === 'used' ? 'fw-bold text-danger me-2' : 'fw-bold text-primary me-2'">
                         {{ vac.category === 'used' ? '-' : '+' }}
                     </span>
@@ -22,6 +19,9 @@
                     >
                         {{ formatDate(vac.date) }}
                     </span>
+                    <span v-if="vac.category === 'used'" class="fw-bold text-dark ms-1">
+                        ( {{ usedVacationIndexMap[vac._expandIndex] }} )
+                    </span>
                 </li>
                 </ol>
             </div>
diff --git a/src/router/index.js b/src/router/index.js
index 9ec3040..8134042 100644
--- a/src/router/index.js
+++ b/src/router/index.js
@@ -1,4 +1,4 @@
-import { createRouter, createWebHistory } from 'vue-router'
+import { createRouter, createWebHistory } from 'vue-router';
 import { useAuthStore } from '@s/useAuthStore';
 import { useUserInfoStore } from '@s/useUserInfoStore';
 
@@ -6,7 +6,7 @@ import { useUserInfoStore } from '@s/useUserInfoStore';
 const routes = [
     {
         path: '/',
-        name: "Home",
+        name: 'Home',
         component: () => import('@v/MainView.vue'),
         meta: { requiresAuth: true }
     },
@@ -18,23 +18,23 @@ const routes = [
             {
                 path: '',
                 name: 'BoardList',
-                component: () => import('@v/board/BoardList.vue')
+                component: () => import('@v/board/BoardList.vue'),
             },
             {
                 path: 'write',
-                component: () => import('@v/board/BoardWrite.vue')
+                component: () => import('@v/board/BoardWrite.vue'),
             },
             {
                 path: ':id',
                 name: 'BoardDetail',
-                component: () => import('@v/board/BoardView.vue')
+                component: () => import('@v/board/BoardView.vue'),
             },
             {
                 path: 'edit/:id',
                 name: 'BoardEdit',
-                component: () => import('@v/board/BoardEdit.vue')
-            }
-        ]
+                component: () => import('@v/board/BoardEdit.vue'),
+            },
+        ],
     },
     {
         path: '/wordDict',
@@ -71,14 +71,13 @@ const routes = [
         children: [
             {
                 path: '',
-                component: () => import('@v/voteboard/voteBoardList.vue')
+                component: () => import('@v/voteboard/voteBoardList.vue'),
             },
             {
                 path: 'write',
-                component: () => import('@v/voteboard/voteboardWrite.vue')
+                component: () => import('@v/voteboard/voteboardWrite.vue'),
             },
-
-        ]
+        ],
     },
     {
         path: '/projectlist',
@@ -93,25 +92,37 @@ const routes = [
     {
         path: '/authorization',
         component: () => import('@v/admin/TheAuthorization.vue'),
-        meta: { requiresAuth: true }
+        meta: { requiresAuth: true },
     },
-    { path: "/error/400", name: "Error400", component: () => import('@v/error/Error400.vue'), meta: {layout: 'NoLayout'} },
-    { path: "/error/500", name: "Error500", component: () => import('@v/error/Error500.vue'), meta: {layout: 'NoLayout'} },
     {
-        path: "/:anything(.*)",
-        name: "Error404", component: () => import('@v/error/Error404.vue'), meta: {layout: 'NoLayout'}
+        path: '/error/400',
+        name: 'Error400',
+        component: () => import('@v/error/Error400.vue'),
+        meta: { layout: 'NoLayout' },
+    },
+    {
+        path: '/error/500',
+        name: 'Error500',
+        component: () => import('@v/error/Error500.vue'),
+        meta: { layout: 'NoLayout' },
+    },
+    {
+        path: '/:anything(.*)',
+        name: 'Error404',
+        component: () => import('@v/error/Error404.vue'),
+        meta: { layout: 'NoLayout' },
     },
 ];
 
 const router = createRouter({
     history: createWebHistory(import.meta.env.BASE_URL),
     routes: routes,
-})
+});
 
 router.beforeEach(async (to, from, next) => {
     const authStore = useAuthStore();
     await authStore.checkAuthStatus(); // 로그인 상태 확인
-    const allowedUserId = 1;  // 특정 ID (변경필요!!)
+    const allowedUserId = 1; // 특정 ID (변경필요!!)
     const userStore = useUserInfoStore();
     const userId = userStore.user?.id ?? null;
 
@@ -120,9 +131,9 @@ router.beforeEach(async (to, from, next) => {
         return next({ name: 'Login', query: { redirect: to.fullPath } });
     }
 
-    // Authorization 페이지는 ID가 1이 아니면 접근 차단
-    if (to.path === "/authorization" && userId !== allowedUserId) {
-        return next("/");
+    // Authorization 페이지는 ID가 26이 아니면 접근 차단
+    if (to.path === '/authorization' && userId !== allowedUserId) {
+        return next('/');
     }
 
     // 비로그인 사용자만 접근 가능한 페이지인데 로그인된 경우 → 홈으로 이동
@@ -148,7 +159,7 @@ axios.interceptors.response.use(
         }
 
         return Promise.reject(error);
-    }
+    },
 );
 
-export default router
+export default router;
diff --git a/src/views/admin/TheAuthorization.vue b/src/views/admin/TheAuthorization.vue
index f3c9ca9..f75ae67 100644
--- a/src/views/admin/TheAuthorization.vue
+++ b/src/views/admin/TheAuthorization.vue
@@ -12,7 +12,7 @@
                             <h5>{{ user.name }}</h5>
                         </div>
                         <!-- 권한 토글 버튼 -->
-                        <label class="switch">
+                        <label class="switch me-0">
                             <input type="checkbox" :checked="user.isAdmin" @change="toggleAdmin(user)" />
                             <span class="slider round"></span>
                         </label>
@@ -32,7 +32,7 @@ const users = ref([]);
 const toastStore = useToastStore();
 const baseUrl = axios.defaults.baseURL.replace(/api\/$/, "");
 const defaultProfile = "/img/icons/icon.png";
-
+const allowedUserId = 1;  // 특정 ID (변경필요!!)
 // 사용자 목록 가져오기
 async function fetchUsers() {
     try {
@@ -43,14 +43,17 @@ async function fetchUsers() {
             throw new Error("올바른 데이터 형식이 아닙니다.");
         }
 
-        // 데이터 매핑 (올바른 형식으로 변환)
-        users.value = response.data.data.map(user => ({
-            id: user.MEMBERSEQ,
-            name: user.MEMBERNAM,
-            photo: user.MEMBERPRF ? `${baseUrl}upload/img/profile/${user.MEMBERPRF}` : defaultProfile,
-            color: user.MEMBERCOL,
-            isAdmin: user.MEMBERROL === 'ROLE_ADMIN',
-        }));
+        // MEMBERSEQ가 1이 아닌 회원만 필터링하여 데이터 매핑
+        users.value = response.data.data
+            .filter(user => user.MEMBERSEQ !== allowedUserId) // MEMBERSEQ가 1이면 제외
+            .map(user => ({
+                id: user.MEMBERSEQ,
+                name: user.MEMBERNAM,
+                photo: user.MEMBERPRF ? `${baseUrl}upload/img/profile/${user.MEMBERPRF}` : defaultProfile,
+                color: user.MEMBERCOL,
+                isAdmin: user.MEMBERROL === 'ROLE_ADMIN',
+            }));
+
     } catch (error) {
         toastStore.onToast('사용자 목록을 불러오지 못했습니다.', 'e');
     }
diff --git a/src/views/board/BoardList.vue b/src/views/board/BoardList.vue
index db2ff6b..41fae62 100644
--- a/src/views/board/BoardList.vue
+++ b/src/views/board/BoardList.vue
@@ -232,12 +232,12 @@
         } catch (error) {}
     };
 
-    // 공지사항 데이터 로드
-    const fetchNoticePosts = async () => {
-        try {
-            const { data } = await axios.get('board/notices', {
-                params: { searchKeyword: searchText.value },
-            });
+// 공지사항 데이터 로드
+const fetchNoticePosts = async () => {
+    try {
+        const { data } = await axios.get("board/notices", {
+            params: { searchKeyword: searchText.value }
+        });
 
             if (data?.data) {
                 noticeList.value = data.data.map(post => ({
diff --git a/src/views/vacation/VacationManagement.vue b/src/views/vacation/VacationManagement.vue
index 7cde896..ae16a4c 100644
--- a/src/views/vacation/VacationManagement.vue
+++ b/src/views/vacation/VacationManagement.vue
@@ -106,6 +106,7 @@ const isGrantModalOpen = ref(false);
 const fullCalendarRef = ref(null);
 const calendarEvents = ref([]);
 const selectedDates = ref(new Map());
+
 const halfDayType = ref(null);
 const vacationCodeMap = ref({});
 const holidayDates = ref(new Set());
@@ -118,7 +119,6 @@ const lastRemainingMonth = ref(String(new Date().getMonth() + 1).padStart(2, "0"
 // 데이트피커 인풋 ref
 const calendarDatepicker = ref(null);
 let fpInstance = null;
-
 /* 변경사항 여부 확인 */
 const hasChanges = computed(() => {
     return (
@@ -173,40 +173,53 @@ function handleDateClick(info) {
         return;
     }
 
-    const isMyVacation = myVacations.value.some(vac => {
-        const vacDate = vac.date ? vac.date.substring(0, 10) : "";
-        return vacDate === clickedDateStr && !vac.receiverId;
-    });
+    // 기존 값 확인
+    const currentValue = selectedDates.value.get(clickedDateStr);
 
-    if (isMyVacation) {
-        if (selectedDates.value.get(clickedDateStr) === "delete") {
-            selectedDates.value.delete(clickedDateStr);
+    const isMyVacation = myVacations.value.some(vac => vac.date.substring(0, 10) === clickedDateStr && !vac.receiverId);
+
+    // 이미 활성화된 날짜를 한 번 더 클릭하면 비활성화
+    if (currentValue && currentValue !== "delete") {
+        console.log("🛑 활성화된 날짜 비활성화:", clickedDateStr);
+        selectedDates.value.delete(clickedDateStr);
+        updateCalendarEvents();
+        return;
+    }
+
+    // 버튼을 누르지 않았을 때 - 삭제 모드
+    if (!halfDayType.value) {
+        if (isMyVacation) {
+            if (currentValue === "delete") {
+                selectedDates.value.delete(clickedDateStr);
+            } else {
+                selectedDates.value.set(clickedDateStr, "delete");
+            }
         } else {
-            selectedDates.value.set(clickedDateStr, "delete");
+            selectedDates.value.set(clickedDateStr, "700103");
         }
         updateCalendarEvents();
         return;
     }
 
-    if (selectedDates.value.has(clickedDateStr)) {
-        selectedDates.value.delete(clickedDateStr);
-        updateCalendarEvents();
-        return;
+    // 버튼을 눌렀을 때 - 기존 휴가 삭제 후 새로운 값 추가
+    if (isMyVacation) {
+        console.log("🗑 기존 휴가 삭제 후 새로운 상태 추가:", clickedDateStr);
+        selectedDates.value.set(clickedDateStr, "delete");
     }
-    const type = halfDayType.value
-        ? (halfDayType.value === "AM" ? "700101" : "700102")
-        : "700103";
+
+    const type = halfDayType.value === "AM" ? "700101" :
+                 halfDayType.value === "PM" ? "700102" :
+                 "700103"; // 풀연차
 
     selectedDates.value.set(clickedDateStr, type);
 
-    if (halfDayType.value) {
-        halfDayType.value = null;
-    }
-    updateCalendarEvents();
-
+    // 버튼을 한 번 사용 후 자동 해제 (일회성)
+    halfDayType.value = null;
     if (halfDayButtonsRef.value) {
         halfDayButtonsRef.value.resetHalfDay();
     }
+
+    updateCalendarEvents();
 }
 
 function markClickableDates() {