diff --git a/lib/screens/teacher_attendance_page.dart b/lib/screens/teacher_attendance_page.dart
index 1531efa..9073a46 100644
--- a/lib/screens/teacher_attendance_page.dart
+++ b/lib/screens/teacher_attendance_page.dart
@@ -211,6 +211,54 @@ class _TeacherAttendancePageState extends State<TeacherAttendancePage> {
     _setAttendanceTime(formatted);
   }
 
+  /// 🧪 테스트용: 하교(12시간)/반출 허용 시간 설정 등으로 켜져 있는 허용 시간대를 즉시 해제한다.
+  Future<void> _resetTestPermissions() async {
+    try {
+      final response = await http.post(Uri.parse('$baseUrl/api/debug/reset-permissions'));
+      final result = jsonDecode(utf8.decode(response.bodyBytes));
+      if (!mounted) return;
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(content: Text(result['message'] ?? '처리되었습니다.')),
+      );
+      _fetchAll();
+    } catch (e) {
+      if (!mounted) return;
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(content: Text('❌ 초기화 실패: $e')),
+      );
+    }
+  }
+
+  void _showTestResetConfirmDialog() {
+    showDialog(
+      context: context,
+      builder: (context) => AlertDialog(
+        title: const Text('🧪 테스트용 허용시간 초기화'),
+        content: const Text(
+          '하교 처리나 반출 허용 시간 설정으로 켜져 있는 모든 허용 시간대를 지금 즉시 해제합니다.\n'
+          '(무단반출 감지 테스트할 때만 사용하세요)',
+        ),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.pop(context),
+            child: const Text('취소'),
+          ),
+          ElevatedButton(
+            onPressed: () {
+              Navigator.pop(context);
+              _resetTestPermissions();
+            },
+            style: ElevatedButton.styleFrom(
+              backgroundColor: Colors.grey[700],
+              foregroundColor: Colors.white,
+            ),
+            child: const Text('초기화'),
+          ),
+        ],
+      ),
+    );
+  }
+
   void _showAllowDialog(String studentId, String studentName) {
     final controller = TextEditingController(text: "5");
     showDialog(
@@ -445,6 +493,11 @@ class _TeacherAttendancePageState extends State<TeacherAttendancePage> {
               style: TextStyle(color: Colors.white),
             ),
           ),
+          IconButton(
+            onPressed: _showTestResetConfirmDialog,
+            icon: const Icon(Icons.bug_report_outlined, color: Colors.white70),
+            tooltip: '🧪 테스트용: 허용시간 초기화',
+          ),
           const SizedBox(width: 8),
         ],
       ),