diff --git a/user-management/web/index.html b/user-management/web/index.html
index 3ba0192..8af4b63 100644
--- a/user-management/web/index.html
+++ b/user-management/web/index.html
@@ -279,6 +279,22 @@
                         </div>
                         <div id="dept-tksafety-perms" class="p-4 border border-t-0 border-orange-100 rounded-b-lg space-y-4"></div>
                     </div>
+                    <!-- tksupport - 행정 지원 -->
+                    <div class="system-section tksupport rounded-lg mb-5 bg-white">
+                        <div class="flex items-center justify-between px-4 py-3 bg-indigo-50 rounded-t-lg border border-indigo-100">
+                            <div class="flex items-center gap-2">
+                                <i class="fas fa-briefcase text-indigo-500"></i>
+                                <span class="font-semibold text-sm text-indigo-900">행정 지원</span>
+                                <span class="text-xs text-indigo-500 bg-indigo-100 px-2 py-0.5 rounded-full">tksupport</span>
+                            </div>
+                            <div class="flex gap-2">
+                                <button onclick="toggleDeptSystemAll('tksupport', true)" class="text-xs text-indigo-600 hover:underline">전체 허용</button>
+                                <span class="text-gray-300">|</span>
+                                <button onclick="toggleDeptSystemAll('tksupport', false)" class="text-xs text-indigo-600 hover:underline">전체 해제</button>
+                            </div>
+                        </div>
+                        <div id="dept-tksupport-perms" class="p-4 border border-t-0 border-indigo-100 rounded-b-lg space-y-4"></div>
+                    </div>
                     <!-- tkuser - 통합 관리 -->
                     <div>
                         <div class="flex items-center justify-between bg-slate-50 px-4 py-2 rounded-t-lg border border-slate-200">
@@ -381,6 +397,22 @@
                         </div>
                         <div id="tksafety-perms" class="p-4 border border-t-0 border-orange-100 rounded-b-lg space-y-4"></div>
                     </div>
+                    <!-- tksupport - 행정 지원 -->
+                    <div class="system-section tksupport rounded-lg mb-5 bg-white">
+                        <div class="flex items-center justify-between px-4 py-3 bg-indigo-50 rounded-t-lg border border-indigo-100">
+                            <div class="flex items-center gap-2">
+                                <i class="fas fa-briefcase text-indigo-500"></i>
+                                <span class="font-semibold text-sm text-indigo-900">행정 지원</span>
+                                <span class="text-xs text-indigo-500 bg-indigo-100 px-2 py-0.5 rounded-full">tksupport</span>
+                            </div>
+                            <div class="flex gap-2">
+                                <button onclick="toggleSystemAll('tksupport', true)" class="text-xs text-indigo-600 hover:underline">전체 허용</button>
+                                <span class="text-gray-300">|</span>
+                                <button onclick="toggleSystemAll('tksupport', false)" class="text-xs text-indigo-600 hover:underline">전체 해제</button>
+                            </div>
+                        </div>
+                        <div id="tksupport-perms" class="p-4 border border-t-0 border-indigo-100 rounded-b-lg space-y-4"></div>
+                    </div>
                     <!-- tkuser - 통합 관리 -->
                     <div>
                         <div class="flex items-center justify-between bg-slate-50 px-4 py-2 rounded-t-lg border border-slate-200">
@@ -2360,14 +2392,14 @@
     <!-- JS: Tabs -->
     <script src="/static/js/tkuser-tabs.js?v=2026032301"></script>
     <!-- JS: Individual modules -->
-    <script src="/static/js/tkuser-users.js?v=2026032501"></script>
+    <script src="/static/js/tkuser-users.js?v=2026032502"></script>
     <script src="/static/js/tkuser-projects.js?v=2026031401"></script>
     <script src="/static/js/tkuser-departments.js?v=2026032302"></script>
     <script src="/static/js/tkuser-issue-types.js?v=2026031401"></script>
     <script src="/static/js/tkuser-workplaces.js?v=2026031401"></script>
     <script src="/static/js/tkuser-tasks.js?v=2026031401"></script>
     <script src="/static/js/tkuser-vacations.js?v=2026032301"></script>
-    <script src="/static/js/tkuser-vacation-settings.js?v=2026032301"></script>
+    <script src="/static/js/tkuser-vacation-settings.js?v=2026032501"></script>
     <script src="/static/js/tkuser-layout-map.js?v=2026031401"></script>
     <script src="/static/js/tkuser-partners.js?v=2026031601"></script>
     <script src="/static/js/tkuser-vendors.js?v=2026031401"></script>
diff --git a/user-management/web/static/js/tkuser-vacation-settings.js b/user-management/web/static/js/tkuser-vacation-settings.js
index 9606dd7..f036d18 100644
--- a/user-management/web/static/js/tkuser-vacation-settings.js
+++ b/user-management/web/static/js/tkuser-vacation-settings.js
@@ -150,7 +150,8 @@ async function saveVacationSettings() {
     if (!Object.keys(changes).length) { showToast('변경된 설정이 없습니다.', 'error'); return; }
 
     try {
-        await api('/vacation-settings', { method: 'PUT', body: JSON.stringify({ settings: changes }) });
+        const settingsArr = Object.entries(changes).map(([setting_key, setting_value]) => ({ setting_key, setting_value: String(setting_value) }));
+        await api('/vacation-settings', { method: 'PUT', body: JSON.stringify({ settings: settingsArr }) });
         showToast('설정이 저장되었습니다.');
         vacSettingsLoaded = false;
         await loadVacationSettingsTab();