diff --git a/BACKEND/Modules/Admin/app/Http/Controllers/TimekeepingController.php b/BACKEND/Modules/Admin/app/Http/Controllers/TimekeepingController.php
index 3c667f0..9137bc1 100644
--- a/BACKEND/Modules/Admin/app/Http/Controllers/TimekeepingController.php
+++ b/BACKEND/Modules/Admin/app/Http/Controllers/TimekeepingController.php
@@ -43,10 +43,12 @@ class TimekeepingController extends Controller
                 $date = Carbon::create($now->year, $now->month, $i)->setTimezone(env('TIME_ZONE'))->format('Y-m-d');
                 // Kiểm tra xem có mục nào trong $history có created_at trùng với $date
                 $hasEntry = $history->filter(function ($entry) use ($date, $admin) {
+                    // echo($hasEntry);
                     return Carbon::parse($entry->created_at)->setTimezone(env('TIME_ZONE'))->format('Y-m-d') === $date && $entry->user_id == $admin->id;
-                });
-                
-                if (count($hasEntry) > 0) {
+                    });
+                // echo($hasEntry);
+                    
+                    if (count($hasEntry) > 0) {
                     $values = array_values($hasEntry->toArray());
                     $last_checkin = null;
                     $total = 0;
@@ -71,4 +73,37 @@ class TimekeepingController extends Controller
         }
         return response()->json(['status'=> true, 'data'=>$result]);
     }
+
+    public function addWorkingTimeForMultipleUser(Request $request)
+    {
+        $user_ids = $request->users;
+        $year = $request->year;
+        $month = $request->month;
+        $day = $request->day;
+        $type = $request->type;
+        foreach($user_ids as $id){
+            $user = Admin::find($id);
+            $date = Carbon::create($year, $month, $day)->setTimezone(env('TIME_ZONE'));
+            $start = $date->copy()->setTime(7, 31, 11);
+            $end = $type == 'half' ? $date->copy()->setTime(11, 31, 11) : $date->copy()->setTime(17, 1, 11);
+            Tracking::insert([
+                [
+                    'name' => $user->name,
+                    'user_id' => $user->id,
+                    'status' => 'check in',
+                    'time_string' => $start ->format('Y-m-d H:i:s'),
+                    'created_at' => $start->setTimezone('UTC')
+                ],
+                [
+                    'name' => $user->name,
+                    'user_id' => $user->id,
+                    'status' => 'check out',
+                    'time_string' => $end->format('Y-m-d H:i:s'),
+                    'created_at' => $end->setTimezone('UTC')
+                ]
+            ]);
+        }
+
+        return response()->json(['status'=> true, 'message'=> 'Add successfully']);
+    }
 }
diff --git a/BACKEND/Modules/Admin/routes/api.php b/BACKEND/Modules/Admin/routes/api.php
index d95fa71..dd18084 100755
--- a/BACKEND/Modules/Admin/routes/api.php
+++ b/BACKEND/Modules/Admin/routes/api.php
@@ -100,18 +100,19 @@ Route::middleware('api')
                 Route::get('/all-project', [JiraController::class, 'getAllProject']);
                 Route::get('/all-issue-by-project', [JiraController::class, 'fetchIssuesByProject']);
                 Route::get('/worklogs', [JiraController::class, 'getAllUserWorkLogs'])->middleware('check.permission:admin');
-                });
-                
-                Route::group([
-                    'prefix' => 'timekeeping',
-                    ], function () {
-                        Route::get('/', [TimekeepingController::class, 'get'])->middleware('check.permission:admin.hr.staff');
-                        });
-                        
-                        Route::group([
-                            'prefix' => 'tracking',
-                            ], function () {
-                                Route::post('/create', [TrackingController::class, 'create'])->middleware('check.permission:admin.hr');
+            });
+
+            Route::group([
+                'prefix' => 'timekeeping',
+            ], function () {
+                Route::get('/', [TimekeepingController::class, 'get'])->middleware('check.permission:admin.hr.staff');
+                Route::post('/addMutilple', [TimekeepingController::class, 'addWorkingTimeForMultipleUser'])->middleware('check.permission:admin.hr');
+            });
+
+            Route::group([
+                'prefix' => 'tracking',
+            ], function () {
+                Route::post('/create', [TrackingController::class, 'create'])->middleware('check.permission:admin.hr');
                 Route::post('/update', [TrackingController::class, 'update'])->middleware('check.permission:admin.hr');
                 Route::get('/delete', [TrackingController::class, 'delete'])->middleware('check.permission:admin.hr');
                 });
diff --git a/FRONTEND/src/api/Admin.ts b/FRONTEND/src/api/Admin.ts
index eda18e0..feaaa77 100755
--- a/FRONTEND/src/api/Admin.ts
+++ b/FRONTEND/src/api/Admin.ts
@@ -65,4 +65,5 @@ export const getAllIssuesByProject = API_URL + 'v1/admin/jira/all-issue-by-proje
 export const getAllUserWorklogs = API_URL + 'v1/admin/jira/worklogs'
 
 //Timekeeping
-export const getTheTimesheet = API_URL + 'v1/admin/timekeeping'
\ No newline at end of file
+export const getTheTimesheet = API_URL + 'v1/admin/timekeeping'
+export const updateMultipleUserWorkingTime = API_URL + 'v1/admin/timekeeping/addMutilple'
\ No newline at end of file
diff --git a/FRONTEND/src/pages/Timekeeping/Timekeeping.tsx b/FRONTEND/src/pages/Timekeeping/Timekeeping.tsx
index da00545..c6662cc 100644
--- a/FRONTEND/src/pages/Timekeeping/Timekeeping.tsx
+++ b/FRONTEND/src/pages/Timekeeping/Timekeeping.tsx
@@ -1,11 +1,12 @@
-import { getTheTimesheet } from '@/api/Admin'
+import { getTheTimesheet, updateMultipleUserWorkingTime } from '@/api/Admin'
 import { get } from '@/rtk/helpers/apiService'
-import { Box, Image, Select, Table, Text, Tooltip } from '@mantine/core'
+import { Box, Image, Menu, Select, Table, Text, TextInput, Tooltip } from '@mantine/core'
 import { IconCheck, IconExclamationMark, IconX } from '@tabler/icons-react'
 import { useEffect, useState } from 'react'
 import classes from './Timekeeping.module.css'
 import { notifications } from '@mantine/notifications'
 import moment from 'moment'
+import { update } from '@/rtk/helpers/CRUD'
 
 interface User {
   id: number
@@ -44,6 +45,7 @@ const Timekeeping = () => {
   const [daysInMonth, setDaysInMonth] = useState(
     Array.from({ length: 31 }, (_, index) => index + 1),
   )
+  const [workingDays, setWorkingDays] = useState(30)
   const [data, setData] = useState<UserData[]>([])
   const [date, setDate] = useState({
     month: (new Date().getMonth() + 1).toString(),
@@ -59,12 +61,14 @@ const Timekeeping = () => {
       if (res.status) {
         setData(
           res.data.filter((u: UserData) =>
-            !u.user.email.includes('admin'),
+            u.user.permission.includes('staff'),
           ),
         )
         setDaysInMonth(
           Array.from({ length: getDaysInMonth() }, (_, index) => index + 1),
         )
+
+        localStorage.getItem('workingdays') ? setWorkingDays(parseFloat(localStorage.getItem('workingdays')!)) : setWorkingDays(getDaysInMonth())
       }
     } catch (error: any) {
       console.log(error)
@@ -98,6 +102,20 @@ const Timekeeping = () => {
     return days.getDate()
   }
 
+  const updateMultipleUser = async(users:number[], day:number, type:string)=>{
+    try {
+      await update(updateMultipleUserWorkingTime, {
+        users: users, 
+        year: date.year, 
+        month: date.month, 
+        day:day, 
+        type: type
+      }, getTimeSheet)
+    } catch (error) {
+      console.log(error)
+    }
+  }
+
   useEffect(() => {
     getTimeSheet()
   }, [date])
@@ -111,34 +129,42 @@ const Timekeeping = () => {
         </h3>
       </div>
       <Box display={'flex'}>
-        <Box w="50%" display={'flex'}>
-          <Select
-            w="10%"
-            value={date.month}
-            size="xs"
-            label="Month"
-            data={Array.from({ length: 12 }, (_, index) =>
-              (1 + index).toString(),
-            )}
-            onChange={(e) => {
-              setDate({ ...date, month: e! })
-            }}
-          ></Select>
-          <Select
-            w="10%"
-            value={date.year}
-            size="xs"
-            ml={'sm'}
-            label="Year"
-            data={Array.from({ length: 20 }, (_, index) =>
-              (2023 + 1 + index).toString(),
-            )}
-            onChange={(e) => {
-              setDate({ ...date, year: e! })
-            }}
-          ></Select>
+        <Box style={{display:"flex", flexFlow:"column"}} w={'30%'}>
+          <Box w="100%" display={'flex'}>
+            <Select
+              w="50%"
+              value={date.month}
+              size="xs"
+              label="Month"
+              data={Array.from({ length: 12 }, (_, index) =>
+                (1 + index).toString(),
+              )}
+              onChange={(e) => {
+                setDate({ ...date, month: e! })
+              }}
+            ></Select>
+            <Select
+              w="50%"
+              value={date.year}
+              size="xs"
+              ml={'sm'}
+              label="Year"
+              data={Array.from({ length: 20 }, (_, index) =>
+                (2023 + 1 + index).toString(),
+              )}
+              onChange={(e) => {
+                setDate({ ...date, year: e! })
+              }}
+            ></Select>
+          </Box>
+            <Box>
+              <TextInput type='number' size='xs' label="Working days" w={"20%"} value={workingDays} onChange={(e)=>{
+                setWorkingDays(parseFloat(e.target.value))
+                localStorage.setItem('workingdays', e.target.value)
+              }}/>
+            </Box>
         </Box>
-        <Box w="50%" style={{display:'flex', alignItems:'center', justifyContent:"space-evenly"}}>
+        <Box w="70%" pl={200} style={{display:'flex', alignItems:'end', justifyContent:"space-evenly"}}>
         <Box style={{display:'flex', alignItems:'center'}}>
             <IconCheck
               size={20}
@@ -204,19 +230,38 @@ const Timekeeping = () => {
           <Table.Thead>
             <Table.Tr bg={'#228be66b'}>
               <Table.Th>Day</Table.Th>
+              <Table.Th></Table.Th>
+              <Table.Th></Table.Th>
               {daysInMonth.map((d) => {
                 return (
-                  <Table.Th key={d} ta={'center'}>
-                    {d}
-                  </Table.Th>
+                  <Menu width={200} shadow="md">
+                      <Menu.Target>
+                      <Table.Th key={d} ta={'center'} style={{cursor:"pointer"}}>
+                        <span>{d}</span>
+                        </Table.Th>
+                      </Menu.Target>
+
+                      <Menu.Dropdown>
+                        <Menu.Item onClick={()=>updateMultipleUser(data.map((u)=>u.user.id), d, 'half')}>
+                          + Add half a day's work
+                        </Menu.Item>
+                        <Menu.Item
+                          onClick={()=>updateMultipleUser(data.map((u)=>u.user.id), d, 'one')}
+                        >
+                          + Add 1 day of work
+                        </Menu.Item>
+                      </Menu.Dropdown>
+                      </Menu>
                 )
               })}
             </Table.Tr>
             <Table.Tr bg={'#228be66b'}>
               <Table.Th></Table.Th>
+              <Table.Th ta={'center'}>Total</Table.Th>
+              <Table.Th ta={'center'}>Off</Table.Th>
               {daysInMonth.map((d) => {
                 return (
-                  <Table.Th key={d} ta={'center'}>
+                  <Table.Th key={d} ta={'center'} bg={(getDayName(`${date.year}-${date.month}-${d}`)=== "Su" || getDayName(`${date.year}-${date.month}-${d}`) === "Sa") ? 'rgb(251 255 196 / 78%)' : ''}>
                     {getDayName(`${date.year}-${date.month}-${d}`)}
                   </Table.Th>
                 )
@@ -225,16 +270,19 @@ const Timekeeping = () => {
           </Table.Thead>
           <Table.Tbody>
             {data.map((user) => {
+              let totalDays = user.history.filter((h) => h.total / 60 / 60 >= 7).length + (user.history.filter((h) => h.total / 60 / 60 < 7 && h.total / 60 / 60 >= 3.5).length / 2)
               return (
                 <Table.Tr key={user.user.id} className={classes.tableTr}>
                   <Table.Td>{user.user.name}</Table.Td>
+                  <Table.Td ta={'center'}>{totalDays}</Table.Td>
+                  <Table.Td ta={'center'}>{workingDays-totalDays}</Table.Td>
                   {daysInMonth.map((d) => {
                     var total =
                       user.history.find((h) => h.day === d)?.total ?? 0
                     return (
-                      <Table.Td key={d} ta={'center'}>
+                      <Table.Td key={d} ta={'center'} bg={(getDayName(`${date.year}-${date.month}-${d}`)=== "Su" || getDayName(`${date.year}-${date.month}-${d}`) === "Sa") ? 'rgb(251 255 196 / 78%)' : ''}>
                         {total / 60 / 60 < 7 && user.history.find((h) => h.day === d) ?
-                          total / 60 / 60 >= 3.5 ?
+                          total / 60 / 60 >= 3.5 ?  
                             <Tooltip
                               multiline
                               label={
@@ -250,6 +298,7 @@ const Timekeeping = () => {
                                             alignItems: 'center',
                                             justifyContent: 'space-between',
                                           }}
+                                          key={v.id}
                                         >
                                           <p>{v.status + ': ' + v.time_string}</p>{' '}
                                           {v.image && (
@@ -291,7 +340,7 @@ const Timekeeping = () => {
                             : <Tooltip
                               multiline
                               label={
-                                <div key={d}>
+                                <div>
                                   {`Total: ${(total / 60 / 60).toFixed(1)}h`}
                                   {user.history
                                     .find((h) => h.day === d)
@@ -303,6 +352,7 @@ const Timekeeping = () => {
                                             alignItems: 'center',
                                             justifyContent: 'space-between',
                                           }}
+                                          key={v.id}
                                         >
                                           <p>{v.status + ': ' + v.time_string}</p>{' '}
                                           {v.image && (
@@ -357,6 +407,7 @@ const Timekeeping = () => {
                                             alignItems: 'center',
                                             justifyContent: 'space-between',
                                           }}
+                                          key={v.id}
                                         >
                                           <p>{v.status + ': ' + v.time_string}</p>{' '}
                                           {v.image && (