diff --git a/src/main/java/com/example/nto/controller/EmployeeController.java b/src/main/java/com/example/nto/controller/EmployeeController.java
index 9b8961f..1d6d804 100644
--- a/src/main/java/com/example/nto/controller/EmployeeController.java
+++ b/src/main/java/com/example/nto/controller/EmployeeController.java
@@ -1,8 +1,10 @@
 package com.example.nto.controller;
 
 import com.example.nto.entity.Employee;
+import com.example.nto.repository.EmployeeRepository;
 import com.example.nto.service.EmployeeService;
 import com.example.nto.service.impl.EmployeeServiceImpl;
+import org.hibernate.resource.beans.container.spi.BeanLifecycleStrategy;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
@@ -28,13 +30,14 @@ public class EmployeeController {
         this.employeeService = employeeService;
     }
 
-    @GetMapping("/{id}/auth")
-    public HttpStatus Isauth(@PathVariable long id){
-        if(employeeService.isIdValid(id)){
+    @GetMapping("/{code}/auth")
+    public HttpStatus Isauth(@PathVariable String code){
+        if(employeeService.isCodeValid(code)){
             return HttpStatus.OK;
         }
         else
-            return HttpStatus.NOT_FOUND;
+            return HttpStatus.UNAUTHORIZED;
+
     }
 
 
diff --git a/src/main/java/com/example/nto/entity/Employee.java b/src/main/java/com/example/nto/entity/Employee.java
index 265e27d..387b6b8 100644
--- a/src/main/java/com/example/nto/entity/Employee.java
+++ b/src/main/java/com/example/nto/entity/Employee.java
@@ -35,9 +35,11 @@ public class Employee {
     @OneToMany(mappedBy = "employee", cascade = CascadeType.ALL, fetch = FetchType.LAZY)
     private List<Booking> bookingList;
 
-    public Employee(long id, String name) {
+    public Employee(long id, String name, String code, String photoUrl) {
         this.id = id;
         this.name = name;
+        this.code = code;
+        this.photoUrl = photoUrl;
     }
 
 }
diff --git a/src/main/java/com/example/nto/repository/EmployeeRepository.java b/src/main/java/com/example/nto/repository/EmployeeRepository.java
index 7eee94f..e6ecbcb 100644
--- a/src/main/java/com/example/nto/repository/EmployeeRepository.java
+++ b/src/main/java/com/example/nto/repository/EmployeeRepository.java
@@ -16,7 +16,6 @@ import java.util.Optional;
 
 @Service
 @Repository
-public interface EmployeeRepository extends JpaRepository<Employee, Long> {
-    Optional<Employee> findById(Long id);
-
+public interface EmployeeRepository extends JpaRepository<Employee, String> {
+    Optional<Employee> findByCode(String code);
 }
diff --git a/src/main/java/com/example/nto/service/EmployeeService.java b/src/main/java/com/example/nto/service/EmployeeService.java
index 1565317..a949b95 100644
--- a/src/main/java/com/example/nto/service/EmployeeService.java
+++ b/src/main/java/com/example/nto/service/EmployeeService.java
@@ -14,7 +14,8 @@ import java.util.Optional;
 public interface EmployeeService {
     List<Employee> getAll();
 
-    Optional<Employee> getById(long id);
+    Optional<Employee> getByCode(String code);
 
-    boolean isIdValid(long id);
+
+    boolean isCodeValid(String code);
 }
diff --git a/src/main/java/com/example/nto/service/impl/EmployeeServiceImpl.java b/src/main/java/com/example/nto/service/impl/EmployeeServiceImpl.java
index e7488fa..66b2764 100644
--- a/src/main/java/com/example/nto/service/impl/EmployeeServiceImpl.java
+++ b/src/main/java/com/example/nto/service/impl/EmployeeServiceImpl.java
@@ -32,11 +32,11 @@ public class EmployeeServiceImpl implements EmployeeService {
     }
 
     @Override
-    public Optional<Employee> getById(long id) {
-        return employeeRepository.findById(id);
+    public Optional<Employee> getByCode(String code) {
+        return employeeRepository.findByCode(code);
     }
 
-    public  boolean isIdValid(long id){
-        return employeeRepository.findById(id).isPresent();
+    public  boolean isCodeValid(String code){
+        return employeeRepository.findByCode(code).isPresent();
     }
 }