diff --git a/public/css/custom.css b/public/css/custom.css
index 182e491..2ac47f0 100644
--- a/public/css/custom.css
+++ b/public/css/custom.css
@@ -3,22 +3,33 @@
 
 /* 휴가 */
 
-.fc-daygrid-day-events {
-  max-height: 100px !important;
-  overflow-y: auto !important;
-}
+
 /* 이벤트 선 없게 */
 .fc-event {
   border: none;
 }
-/* 오전전반차 그래프 */
+/* 오전 반차 그래프 (왼쪽 절반) */
 .fc-daygrid-event.half-day-am {
-  width: calc(50% - 4px) !important;
+  width: 50% !important;
+  height: 8px !important;
+  border-radius: 2px !important;
+  font-size: 0px !important;
 }
-/* 오후반차 그래프프 */
+/* 오후 반차 그래프 (오른쪽 절반) */
 .fc-daygrid-event.half-day-pm {
-  width: calc(50% - 4px) !important;
-  margin-left: auto !important
+  width: 50% !important;
+  height: 8px !important;
+  margin-left: auto !important;
+  border-radius: 2px !important;
+  font-size: 0px !important;
+}
+/* 연차 그래프 (풀풀) */
+.fc-daygrid-event.full-day {
+  width: 100% !important;
+  height: 8px !important;
+  margin-left: auto !important;
+  border-radius: 2px !important;
+  font-size: 0px !important;
 }
 /* 공휴일,일요일 색상 */
 .fc-day-sun .fc-daygrid-day-number,
@@ -39,8 +50,8 @@
 .flatpickr-calendar:after {
     display: none !important;
 }
- /* 기본 스타일은 그대로 두고, 데이트피커 인풋의 추가 스타일 정의 */
- .fc-toolbar-title {
+/* 기본 스타일은 그대로 두고, 데이트피커 인풋의 추가 스타일 정의 */
+.fc-toolbar-title {
   cursor: pointer;
 }
 /* 클릭 가능한 날짜 (오늘 + 미래) */
@@ -84,7 +95,6 @@ opacity: 0.6; /* 흐려 보이게 */
 
 
 /* 본인 모달 */
-
 /* 닫기 버튼 */
 .close-btn {
   position: absolute;
@@ -109,7 +119,6 @@ opacity: 0.6; /* 흐려 보이게 */
 
 
 /* 선물하기 모달 */
-
 /* 연차 개수 버튼 */
 .count-btn {
   font-size: 18px;
@@ -127,7 +136,6 @@ opacity: 0.6; /* 흐려 보이게 */
   background: #cccccc;
   cursor: not-allowed;
 }
-
 /* 버튼 컨테이너 (우측 정렬) */
 .custom-button-container {
   display: flex;
@@ -141,18 +149,17 @@ opacity: 0.6; /* 흐려 보이게 */
   padding: 10px; /* 크기 조정 */
   cursor: pointer; /* 클릭 가능하도록 변경 */
 }
-
 /* 아이콘 색상 변경 (기본) */
 .custom-button i {
   color: #282538; /* 기본 아이콘 색상 */
   font-size: 25px; /* 아이콘 크기 */
 }
-
 /* 버튼 호버 효과 */
 .custom-button:hover i {
   color: #ff0800; /* 호버 시 아이콘 색상 변경 */
 }
 
+
 .grayscaleImg {
   filter: grayscale(100%);
 }
diff --git a/src/components/button/HalfDayButtons.vue b/src/components/button/HalfDayButtons.vue
index 9bb125f..36739fc 100644
--- a/src/components/button/HalfDayButtons.vue
+++ b/src/components/button/HalfDayButtons.vue
@@ -28,10 +28,11 @@
 </template>
 
 <script setup>
-import { defineEmits, ref, defineProps } from "vue";
+import { defineEmits, ref, defineProps, watch } from "vue";
 
 const props = defineProps({
-  isDisabled: Boolean
+  isDisabled: Boolean,
+  selectedDate: String // 날짜 선택 값을 props로 받음
 });
 
 const emit = defineEmits(["toggleHalfDay", "addVacationRequests", "resetHalfDay"]);
@@ -39,15 +40,16 @@ const halfDayType = ref(null);
 
 const toggleHalfDay = (type) => {
   halfDayType.value = type;
-
   emit("toggleHalfDay", halfDayType.value);
-
-  // ✅ 버튼 클릭 후 1초 후 자동 비활성화
-  setTimeout(() => {
-    halfDayType.value = null;
-  }, 1000);
 };
 
+// `selectedDate`가 변경되면 반차 선택 초기화
+watch(() => props.selectedDate, (newDate) => {
+  if (newDate) {
+    resetHalfDay();
+  }
+});
+
 // 날짜 선택 후 반차 버튼 상태 초기화
 const resetHalfDay = () => {
   halfDayType.value = null;
@@ -89,20 +91,20 @@ defineExpose({ resetHalfDay });
 
 /* 선택된 (눌린) 버튼 */
 .btn.active {
-  border: 3px solid #fff; /* 흰색 테두리 강조 */
+  border: 3px solid #fff;
   box-shadow: 0px 4px 15px rgba(0, 0, 0, 0.3);
   transform: scale(1.1);
 }
 
 /* AM 버튼 (선택된 상태) */
 .btn-warning.active {
-  background-color: #ffca2c !important; /* 진한 노란색 */
+  background-color: #ffca2c !important;
   color: black;
 }
 
 /* PM 버튼 (선택된 상태) */
 .btn-info.active {
-  background-color: #0b5ed7 !important; /* 진한 파란색 */
+  background-color: #0b5ed7 !important;
   color: white;
 }
 
diff --git a/src/components/input/FormFile.vue b/src/components/input/FormFile.vue
index bc45bea..833c6b0 100644
--- a/src/components/input/FormFile.vue
+++ b/src/components/input/FormFile.vue
@@ -1,11 +1,12 @@
 <template>
     <div class="mb-4 row">
-        <label :for="name" class="col-md-2 col-form-label">{{ title }}</label>
+        <label :for="inputId" class="col-md-2 col-form-label">{{ title }}</label>
         <div class="col-md-10">
             <input
                 class="form-control"
                 type="file"
-                :id="name"
+                :id="inputId"
+                ref="fileInput"
                 @change="changeHandler"
                 multiple
             />
@@ -21,7 +22,7 @@ import { ref ,computed} from 'vue';
 import { fileMsg } from '@/common/msgEnum';
 
 // Props
-const prop = defineProps({
+const props = defineProps({
     title: {
         type: String,
         default: '라벨',
@@ -29,7 +30,7 @@ const prop = defineProps({
     },
     name: {
         type: String,
-        default: 'nameplz',
+        default: 'fileInput',
         required: true,
     },
     isAlert: {
@@ -38,12 +39,13 @@ const prop = defineProps({
         required: false,
     },
 });
+const inputId = computed(() => props.name || 'defaultFileInput');
 
 const emits = defineEmits(['update:data', 'update:isValid']);
 
 const MAX_TOTAL_SIZE = 5 * 1024 * 1024; // 5MB
 const MAX_FILE_COUNT = 5; // 최대 파일 개수
-const ALLOWED_FILE_TYPES = ['image/jpeg', 'image/png', 'application/pdf']; // 허용된 파일 유형
+const ALLOWED_FILE_TYPES = []; // 모든 파일을 허용
 
 const showError = ref(false);
 const fileMsgKey = ref(''); // 에러 메시지 키
@@ -51,9 +53,12 @@ const fileMsgKey = ref(''); // 에러 메시지 키
 const changeHandler = (event) => {
     const files = Array.from(event.target.files);
     const totalSize = files.reduce((sum, file) => sum + file.size, 0);
-    const invalidFiles = files.filter(file => !ALLOWED_FILE_TYPES.includes(file.type));
 
-    // 파일 검증 로직
+    // ALLOWED_FILE_TYPES가 비어있으면 모든 파일 허용
+    const invalidFiles = ALLOWED_FILE_TYPES.length > 0
+        ? files.filter(file => !ALLOWED_FILE_TYPES.includes(file.type))
+        : [];
+
     if (totalSize > MAX_TOTAL_SIZE) {
         showError.value = true;
         fileMsgKey.value = 'FileMaxSizeMsg';
diff --git a/src/views/vacation/VacationManagement.vue b/src/views/vacation/VacationManagement.vue
index f61dba6..c8ac838 100644
--- a/src/views/vacation/VacationManagement.vue
+++ b/src/views/vacation/VacationManagement.vue
@@ -7,9 +7,11 @@
             <div class="sidebar-content">
               <div class="sidebar-actions text-center my-3">
                 <HalfDayButtons
-                  @toggleHalfDay="toggleHalfDay"
-                  @addVacationRequests="saveVacationChanges"
-                  :isDisabled="!hasChanges"
+                    ref="halfDayButtonsRef"
+                    @toggleHalfDay="toggleHalfDay"
+                    @addVacationRequests="saveVacationChanges"
+                    :isDisabled="!hasChanges"
+                    :selectedDate="selectedDate"
                 />
               </div>
               <ProfileList
@@ -58,28 +60,31 @@
     </div>
   </template>
 
-  <script setup>
-  import { reactive, ref, onMounted, nextTick, computed, watch } from "vue";
-  import axios from "@api";
-  import FullCalendar from "@fullcalendar/vue3";
-  import dayGridPlugin from "@fullcalendar/daygrid";
-  import interactionPlugin from "@fullcalendar/interaction";
-  // Flatpickr 및 MonthSelect 플러그인 임포트
-  import flatpickr from "flatpickr";
-  import monthSelectPlugin from "flatpickr/dist/plugins/monthSelect/index";
-  import "flatpickr/dist/flatpickr.min.css";
-  import "flatpickr/dist/plugins/monthSelect/style.css";
+<script setup>
+import { reactive, ref, onMounted, nextTick, computed, watch, onBeforeUnmount  } from "vue";
+import axios from "@api";
+import FullCalendar from "@fullcalendar/vue3";
+import dayGridPlugin from "@fullcalendar/daygrid";
+import interactionPlugin from "@fullcalendar/interaction";
+// Flatpickr 및 MonthSelect 플러그인 임포트
+import flatpickr from "flatpickr";
+import monthSelectPlugin from "flatpickr/dist/plugins/monthSelect/index";
+import "flatpickr/dist/flatpickr.min.css";
+import "flatpickr/dist/plugins/monthSelect/style.css";
 
-  import "@/assets/css/app-calendar.css";
-  import "bootstrap-icons/font/bootstrap-icons.css";
-  import HalfDayButtons from "@c/button/HalfDayButtons.vue";
-  import ProfileList from "@c/vacation/ProfileList.vue";
-  import VacationModal from "@c/modal/VacationModal.vue";
-  import VacationGrantModal from "@c/modal/VacationGrantModal.vue";
-  import { useUserStore } from "@s/userList";
-  import { useUserInfoStore } from "@s/useUserInfoStore";
-  import { fetchHolidays } from "@c/calendar/holiday.js";
-  import { useToastStore } from '@s/toastStore';
+import "@/assets/css/app-calendar.css";
+import "bootstrap-icons/font/bootstrap-icons.css";
+import HalfDayButtons from "@c/button/HalfDayButtons.vue";
+import ProfileList from "@c/vacation/ProfileList.vue";
+import VacationModal from "@c/modal/VacationModal.vue";
+import VacationGrantModal from "@c/modal/VacationGrantModal.vue";
+import { useUserStore } from "@s/userList";
+import { useUserInfoStore } from "@s/useUserInfoStore";
+import { fetchHolidays } from "@c/calendar/holiday.js";
+import { useToastStore } from '@s/toastStore';
+import { useRouter } from "vue-router";
+
+const router = useRouter();
 
   const toastStore = useToastStore();
   const userStore = useUserInfoStore();
@@ -90,7 +95,7 @@
   const receivedVacations = ref([]);
   const isModalOpen = ref(false);
   const remainingVacationData = ref({});
-
+  const selectedDate = ref(null);
   const lastRemainingYear = ref(new Date().getFullYear());
   const lastRemainingMonth = ref(String(new Date().getMonth() + 1).padStart(2, "0"));
   const isGrantModalOpen = ref(false);
@@ -106,6 +111,39 @@
   const fetchedEvents = ref([]);
   const halfDayButtonsRef = ref(null);
 
+  // 페이지 이동 시 변경 사항 확인
+router.beforeEach((to, from, next) => {
+  if (hasChanges.value) {
+    const answer = window.confirm("저장하지 않은 변경 사항이 있습니다. 이동하시겠습니까?");
+    if (!answer) {
+      return next(false); // 이동 취소
+    }
+  }
+  next();
+});
+
+onBeforeUnmount(() => {
+  window.removeEventListener("beforeunload", preventUnsavedChanges);
+});
+
+function preventUnsavedChanges(event) {
+  if (hasChanges.value) {
+    event.preventDefault();
+    event.returnValue = ""; // 대부분의 브라우저에서 경고 메시지 표시됨
+  }
+}
+
+// `selectedDates` 변경 시 반차 버튼 초기화
+watch(
+  () => Array.from(selectedDates.value.keys()), // 선택된 날짜 리스트 감시
+  (newKeys) => {
+    if (halfDayButtonsRef.value) {
+      halfDayButtonsRef.value.resetHalfDay();
+    }
+  },
+  { deep: true }
+);
+
   // 데이트피커 인풋 ref
   const calendarDatepicker = ref(null);
   let fpInstance = null;
@@ -192,6 +230,7 @@ function handleDateClick(info) {
     await fetchRemainingVacation();
     const currentYear = new Date().getFullYear();
     await fetchVacationHistory(currentYear);
+    window.addEventListener("beforeunload", preventUnsavedChanges);
 
     // Flatpickr 초기화 (달 선택 모드)
     fpInstance = flatpickr(calendarDatepicker.value, {