diff --git a/BACKEND/Modules/Admin/app/Http/Controllers/TicketController.php b/BACKEND/Modules/Admin/app/Http/Controllers/TicketController.php
index 84afd88..89cb023 100644
--- a/BACKEND/Modules/Admin/app/Http/Controllers/TicketController.php
+++ b/BACKEND/Modules/Admin/app/Http/Controllers/TicketController.php
@@ -216,7 +216,7 @@ class TicketController extends Controller
         $reason = $request->input('reason');
         $isAccept = $request->input('is_accept') ?? false;
         $user = auth('admins')->user(); // user create ticket
-
+        
         $start_date = Carbon::create($startDate)->setTimezone(env('TIME_ZONE'));
         $end_date = Carbon::create($endDate)->setTimezone(env('TIME_ZONE'));
 
@@ -369,7 +369,7 @@ class TicketController extends Controller
             );
             // Thêm kiểm tra null trước khi gửi mail
             if ($dataMasterStartPeriod && $dataMasterEndPeriod && $dataMasterType) {
-                Mail::to($value->email)->send(new TicketMail($data));
+            Mail::to($value->email)->send(new TicketMail($data));
             } else {
                 Log::error("Missing category data for ticket ID: {$ticket->id}. Mail not sent.");
             }
@@ -846,16 +846,16 @@ class TicketController extends Controller
             } else if ($ticket->type == "WFH") {
                 $dataListPeriod = $this->getAllPeriod($ticket->start_date, $ticket->start_period, $ticket->end_date, $ticket->end_period);
                 foreach ($dataListPeriod as $result) {
-                    list($year, $month, $day) = explode('-', $result['date']);
-                    Notes::create([
-                        'n_user_id' => $ticket->user_id,
-                        'n_day' => $day,
-                        'n_month' => $month,
-                        'n_year' => $year,
-                        'n_time_type' => $result['period'],
-                        'n_reason' => $ticket->type,
-                        'n_note' => $ticket->reason
-                    ]);
+                list($year, $month, $day) = explode('-', $result['date']);
+                Notes::create([
+                    'n_user_id' => $ticket->user_id,
+                    'n_day' => $day,
+                    'n_month' => $month,
+                    'n_year' => $year,
+                    'n_time_type' => $result['period'],
+                    'n_reason' => $ticket->type,
+                    'n_note' => $ticket->reason
+                ]);
 
 
                     //WFH - start tracking
diff --git a/FRONTEND/src/pages/Timekeeping/Timekeeping.module.css b/FRONTEND/src/pages/Timekeeping/Timekeeping.module.css
index 10aba71..66c68cf 100644
--- a/FRONTEND/src/pages/Timekeeping/Timekeeping.module.css
+++ b/FRONTEND/src/pages/Timekeeping/Timekeeping.module.css
@@ -60,3 +60,37 @@
   padding-top: 5px;
   padding-bottom: 5px;
 }
+
+/* Thêm styles cho Modal xác nhận xóa */
+.deleteModal {
+  background-color: light-dark(white, #2d353c);
+  text-align: center;
+  border: solid 1px #ff4646;
+}
+
+.deleteModalTitle {
+  color: #ff4646;
+  font-weight: 600;
+  font-size: 1.2rem;
+  margin-bottom: 1rem;
+}
+
+.deleteModalContent {
+  color: light-dark(#2d353c, white);
+  margin-bottom: 1.5rem;
+}
+
+.deleteModalFooter {
+  display: flex;
+  justify-content: flex-end;
+  gap: 10px;
+  margin-top: 1rem;
+}
+
+.deleteButton {
+  background-color: #ff4646;
+}
+
+.deleteButton:hover {
+  background-color: #ff6b6b;
+}
diff --git a/FRONTEND/src/pages/Timekeeping/Timekeeping.tsx b/FRONTEND/src/pages/Timekeeping/Timekeeping.tsx
index 2b58340..30868be 100644
--- a/FRONTEND/src/pages/Timekeeping/Timekeeping.tsx
+++ b/FRONTEND/src/pages/Timekeeping/Timekeeping.tsx
@@ -24,6 +24,7 @@ import {
   TextInput,
   Tooltip,
   Modal,
+  Group,
 } from '@mantine/core'
 import { useDisclosure } from '@mantine/hooks'
 import { notifications } from '@mantine/notifications'
@@ -147,6 +148,9 @@ const Timekeeping = () => {
   const [exportModalOpened, setExportModalOpened] = useState(false)
   const [exportOption, setExportOption] = useState('default')
 
+  const [isDeleteConfirmOpen, setIsDeleteConfirmOpen] = useState(false)
+  const [noteToDelete, setNoteToDelete] = useState<any>(null)
+
   const getListMasterByType = async (type: string) => {
     try {
       const params = {
@@ -445,16 +449,16 @@ const Timekeeping = () => {
     try {
       const timestamp = moment().format('DDMMYYYY_HHmmss')
       const fileName = `Timekeeping_${date.month}_${date.year}_${timestamp}.xlsx`
-      
+
       await exportFile(
         exportTimekeeping,
         {
           month: date.month,
           year: date.year,
           working_days: workingDays,
-          option: option
+          option: option,
         },
-        fileName
+        fileName,
       )
       setExportModalOpened(false)
     } catch (error) {
@@ -462,6 +466,58 @@ const Timekeeping = () => {
     }
   }
 
+  const handleConfirmDelete = async () => {
+    if (noteToDelete) {
+      await handleDelete(noteToDelete.id)
+      setIsDeleteConfirmOpen(false)
+      setNoteToDelete(null)
+    }
+  }
+
+  const openDeleteConfirm = (note: any) => {
+    setNoteToDelete(note)
+    setIsDeleteConfirmOpen(true)
+  }
+
+  const DeleteConfirmModal = () => (
+    <Modal
+      opened={isDeleteConfirmOpen}
+      onClose={() => {
+        setIsDeleteConfirmOpen(false)
+        setNoteToDelete(null)
+      }}
+      centered
+      size="sm"
+      classNames={{
+        content: classes.deleteModal,
+      }}
+    >
+      <Text className={classes.deleteModalTitle}>
+        Confirm Delete
+      </Text>
+      <Text className={classes.deleteModalContent}>
+        Are you sure you want to delete this note?
+      </Text>
+      <Box className={classes.deleteModalFooter}>
+        <Button
+          variant="outline"
+          onClick={() => {
+            setIsDeleteConfirmOpen(false)
+            setNoteToDelete(null)
+          }}
+        >
+          Cancel
+        </Button>
+        <Button 
+          className={classes.deleteButton}
+          onClick={handleConfirmDelete}
+        >
+          Delete
+        </Button>
+      </Box>
+    </Modal>
+  )
+
   return (
     <div>
       <div className={classes.title}>
@@ -631,11 +687,7 @@ const Timekeeping = () => {
               >
                 <IconTrash
                   className={classes.deleteIcon}
-                  onClick={async () => {
-                    await handleDelete(item.id)
-                    // handleUpdateCacheMonth()
-                    // close2()
-                  }}
+                  onClick={() => openDeleteConfirm(item)}
                   width={20}
                   height={20}
                 />
@@ -655,7 +707,7 @@ const Timekeeping = () => {
               data={Array.from({ length: 12 }, (_, index) => {
                 return {
                   value: (1 + index).toString(),
-                  label: (1 + index).toString()
+                  label: (1 + index).toString(),
                 }
               })}
               onChange={(e) => {
@@ -710,9 +762,9 @@ const Timekeeping = () => {
                 Save
               </Button>
             </Tooltip>
-            <Button 
-              onClick={() => setExportModalOpened(true)} 
-              size="xs" 
+            <Button
+              onClick={() => setExportModalOpened(true)}
+              size="xs"
               ml="md"
               bg={'green'}
               leftSection={<IconFileExcel size={16} />}
@@ -1074,20 +1126,19 @@ const Timekeeping = () => {
           placeholder="Choose an option"
           value={exportOption}
           onChange={(value) => setExportOption(value || 'default')}
-          data={[
-            { value: 'default', label: 'Default' }
-          ]}
+          data={[{ value: 'default', label: 'Default' }]}
           mb="md"
         />
-        <Box style={{ display: 'flex', justifyContent: 'flex-end', gap: '10px' }}>
+        <Box
+          style={{ display: 'flex', justifyContent: 'flex-end', gap: '10px' }}
+        >
           <Button variant="outline" onClick={() => setExportModalOpened(false)}>
             Close
           </Button>
-          <Button onClick={() => handleExport(exportOption)}>
-            Export
-          </Button>
+          <Button onClick={() => handleExport(exportOption)}>Export</Button>
         </Box>
       </Modal>
+      <DeleteConfirmModal />
     </div>
   )
 }