diff --git a/backend/controller/reservation/tableCancel.js b/backend/controller/reservation/tableCancel.js
index 279ef86..59819de 100644
--- a/backend/controller/reservation/tableCancel.js
+++ b/backend/controller/reservation/tableCancel.js
@@ -1,5 +1,6 @@
 
-import {searchTableAndUpdate} from '../../model/reserveCancelModel.js';
+//import {searchTableAndUpdate} from '../../model/reserveCancelModel.js';
+import {cancelTable} from '../../model/reserveCancelModel.js';
 
 function ReqIsNumber(s) {
   return parseFloat(s).toString() !== "NaN"; 
@@ -18,7 +19,19 @@ export async function tableCancel(req, res) {
       return res.status(400).send({ "error": "invalid phone" });
     }
 
-    const searchandupdate = await searchTableAndUpdate (phoneNum,restaurantId)
+    // const searchandupdate = await searchTableAndUpdate (phoneNum,restaurantId)
+
+    // if(searchandupdate){
+
+    //   return res.status(200).json({
+    //     data: {
+    //       tableId: searchandupdate,
+    //     }
+    //   });
+    // }  
+
+
+    const searchandupdate = await cancelTable(phoneNum,restaurantId)
 
     if(searchandupdate){
 
@@ -29,6 +42,7 @@ export async function tableCancel(req, res) {
       });
     }  
 
+
     return res.status(404).json({
         error: 'Phone not found in tableList.',
       });
diff --git a/backend/model/orderSummaryModel.js b/backend/model/orderSummaryModel.js
index d098bb2..ec9a431 100644
--- a/backend/model/orderSummaryModel.js
+++ b/backend/model/orderSummaryModel.js
@@ -37,21 +37,13 @@ try {
 
 
 export async function getTablesByRestId(restaurantId) {
-  try {
-    const [rows] = await pool.query('SELECT id, headcount, vacancy, phone FROM tableList WHERE restaurantId = ?', [restaurantId]);
-    return rows; 
-  } catch (error) {
-    throw error;
-  }
+  const [rows] = await pool.query('SELECT id, headcount, vacancy, phone FROM tableList WHERE restaurantId = ?', [restaurantId]);
+  return rows;
 }
 
 export async function getReservationByRestId(restaurantId) {
-  try {
-    const [rows] = await pool.query('SELECT id, phone, headcount FROM Reservation WHERE restaurantId = ?', [restaurantId]);
-    return rows; 
-  } catch (error) {
-    throw error;
-  }
+  const [rows] = await pool.query('SELECT id, phone, headcount FROM Reservation WHERE restaurantId = ?', [restaurantId]);
+  return rows;
 }
 
 
diff --git a/backend/model/reserveCancelModel.js b/backend/model/reserveCancelModel.js
index 5f13bda..48a7c06 100644
--- a/backend/model/reserveCancelModel.js
+++ b/backend/model/reserveCancelModel.js
@@ -67,13 +67,57 @@ export async function searchTableAndUpdate(phone, restaurantId) {
    
 
 
+export async function cancelTable(phone, restaurantId) {
+  const connection = await pool.getConnection();
 
+  try {
+    await connection.beginTransaction();
+    const [tableRows] = await connection.query('SELECT id, headcount FROM tableList WHERE phone = ? AND restaurantId = ?', [phone, restaurantId]);
 
+    if (tableRows.length > 0) {
+      const tableId = tableRows[0].id;
+      const tableHeadcount = tableRows[0].headcount;
+      console.log(tableId);
+      const [orderRows] = await connection.query('SELECT id FROM OrderList WHERE restaurantId = ? AND tableId = ?', [restaurantId, tableId]);
 
-    
-    
+      if (orderRows.length > 0) {
+        const orderId = orderRows[0].id;
+        await connection.query('DELETE FROM OrderList WHERE id = ?', [orderId]);
+      }
+      const [reservationRows] = await connection.query('SELECT id, phone FROM Reservation WHERE headcount <= ? AND restaurantId = ? LIMIT 1', [tableHeadcount, restaurantId]);
+      
+      if (reservationRows.length > 0) {
+        const reservationId = reservationRows[0].id;
+        const reservationPhone = reservationRows[0].phone;
+
+        console.log('tableheadcount',tableHeadcount)
+     
+      console.log('res id',reservationRows[0].id)
+      console.log('res phone',reservationRows[0].phone)
+
+        await connection.query('UPDATE tableList SET phone = ? WHERE id = ?', [reservationPhone, tableId]);
+
+        const [reservationOrderRows] = await connection.query('SELECT id FROM OrderList WHERE reservationId = ?', [reservationId]);
+
+        if (reservationOrderRows.length > 0) {
+          await connection.query('UPDATE OrderList SET reservationId = null, tableId = ? WHERE reservationId = ?', [tableId, reservationId]);
+        } 
+        await connection.query('DELETE FROM Reservation WHERE id = ?', [reservationId]);
+      } else {
+        await connection.query('UPDATE tableList SET phone = null, vacancy = true WHERE id = ?', [tableId]);
+      }
+      
+      await connection.commit();
+      return tableId;
+    }
+    await connection.commit();
+    return null;
+  } catch (error) {
+    await connection.rollback();
+    console.error('Error in cancelReservation:', error);
+    throw error;
+  } finally {
+    connection.release();
+  }
+}
 
-  
-  
-  
-