diff --git a/__pycache__/util.cpython-39.pyc b/__pycache__/util.cpython-39.pyc
new file mode 100644
index 0000000..e9d9f4e
Binary files /dev/null and b/__pycache__/util.cpython-39.pyc differ
diff --git a/main.py b/main.py
index 8ddfaa0..511bdb1 100755
--- a/main.py
+++ b/main.py
@@ -8,7 +8,7 @@
 import face_recognition
 
 import util
-from test import test
+
 
 
 class App:
@@ -19,8 +19,7 @@ def __init__(self):
         self.login_button_main_window = util.get_button(self.main_window, 'login', 'green', self.login)
         self.login_button_main_window.place(x=750, y=200)
 
-        self.logout_button_main_window = util.get_button(self.main_window, 'logout', 'red', self.logout)
-        self.logout_button_main_window.place(x=750, y=300)
+        
 
         self.register_new_user_button_main_window = util.get_button(self.main_window, 'register new user', 'gray',
                                                                     self.register_new_user, fg='black')
@@ -39,7 +38,7 @@ def __init__(self):
 
     def add_webcam(self, label):
         if 'cap' not in self.__dict__:
-            self.cap = cv2.VideoCapture(2)
+            self.cap = cv2.VideoCapture(0)
 
         self._label = label
         self.process_webcam()
@@ -58,13 +57,7 @@ def process_webcam(self):
 
     def login(self):
 
-        label = test(
-                image=self.most_recent_capture_arr,
-                model_dir='/home/phillip/Desktop/todays_tutorial/27_face_recognition_spoofing/code/face-attendance-system/Silent-Face-Anti-Spoofing/resources/anti_spoof_models',
-                device_id=0
-                )
-
-        if label == 1:
+       
 
             name = util.recognize(self.most_recent_capture_arr, self.db_dir)
 
@@ -76,31 +69,9 @@ def login(self):
                     f.write('{},{},in\n'.format(name, datetime.datetime.now()))
                     f.close()
 
-        else:
-            util.msg_box('Hey, you are a spoofer!', 'You are fake !')
-
-    def logout(self):
+       
 
-        label = test(
-                image=self.most_recent_capture_arr,
-                model_dir='/home/phillip/Desktop/todays_tutorial/27_face_recognition_spoofing/code/face-attendance-system/Silent-Face-Anti-Spoofing/resources/anti_spoof_models',
-                device_id=0
-                )
-
-        if label == 1:
-
-            name = util.recognize(self.most_recent_capture_arr, self.db_dir)
-
-            if name in ['unknown_person', 'no_persons_found']:
-                util.msg_box('Ups...', 'Unknown user. Please register new user or try again.')
-            else:
-                util.msg_box('Hasta la vista !', 'Goodbye, {}.'.format(name))
-                with open(self.log_path, 'a') as f:
-                    f.write('{},{},out\n'.format(name, datetime.datetime.now()))
-                    f.close()
-
-        else:
-            util.msg_box('Hey, you are a spoofer!', 'You are fake !')
+    
 
 
     def register_new_user(self):
@@ -138,18 +109,39 @@ def start(self):
         self.main_window.mainloop()
 
     def accept_register_new_user(self):
-        name = self.entry_text_register_new_user.get(1.0, "end-1c")
+        # Captura a codificação facial
+        new_user_encodings = face_recognition.face_encodings(self.register_new_user_capture)
 
-        embeddings = face_recognition.face_encodings(self.register_new_user_capture)[0]
+        if not new_user_encodings:
+            util.msg_box('Erro!', 'Não foi possível detectar um rosto. Tente novamente.')
+            return
 
-        file = open(os.path.join(self.db_dir, '{}.pickle'.format(name)), 'wb')
-        pickle.dump(embeddings, file)
+        new_user_encoding = new_user_encodings[0]
 
-        util.msg_box('Success!', 'User was registered successfully !')
+        # Carregar todas as codificações existentes
+        existing_encodings = []
+        for filename in os.listdir(self.db_dir):
+            if filename.endswith('.pickle'):
+                with open(os.path.join(self.db_dir, filename), 'rb') as file:
+                    existing_encodings.append(pickle.load(file))
 
+        # Verificar se a nova codificação já existe
+        matches = face_recognition.compare_faces(existing_encodings, new_user_encoding)
+
+        if any(matches):
+            util.msg_box('Erro!', 'Usuário já cadastrado. Tente registrar um rosto diferente.')
+            return
+
+        # Salva a nova codificação facial
+        name = self.entry_text_register_new_user.get(1.0, "end-1c").strip()
+        with open(os.path.join(self.db_dir, f'{name}.pickle'), 'wb') as file:
+            pickle.dump(new_user_encoding, file)
+
+        util.msg_box('Sucesso!', 'Usuário registrado com sucesso!')
         self.register_new_user_window.destroy()
 
 
+
 if __name__ == "__main__":
     app = App()
     app.start()
diff --git a/requirements.txt b/requirements.txt
index 637245a..ada0c20 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
-opencv-python==4.6.0.66
-Pillow==9.2.0
-face_recognition==1.3.0
+opencv-python
+Pillow
+face_recognition
diff --git a/requirements_windows.txt b/requirements_windows.txt
index 821b1b3..721d356 100644
--- a/requirements_windows.txt
+++ b/requirements_windows.txt
@@ -1,6 +1,6 @@
-cmake==3.17.2
-dlib==19.18.0
-opencv-python==4.6.0.66
-Pillow==9.2.0
+cmake
+dlib
+opencv-python
+Pillow
 face_recognition==1.3.0
-
+#dificil funcionar