diff --git a/src/api/routes.py b/src/api/routes.py
index 5cdce8d..2b8e3a3 100644
--- a/src/api/routes.py
+++ b/src/api/routes.py
@@ -20,6 +20,7 @@ ALLOWED_EXTENSIONS = {'csv'}
 
 user_csvs = {}
 
+
 @lru_cache(maxsize=1000)
 def get_poster_url(movie_name, movie_year):
     movie = tmdb_service.search_movie(movie_name, movie_year)
@@ -29,23 +30,24 @@ def get_poster_url(movie_name, movie_year):
             return posters[0]
     return None
 
+
 @api_bp.route('/movies', methods=['GET'])
 def get_movies():
     user_id = session.get('user_id')  # Récupérer l'ID de l'utilisateur de la session
-    
+
     if user_id not in user_csvs:
         return jsonify({'movies': [], 'message': 'No movies found. Please upload a CSV file.'}), 200
-    
+
     # Lire le DataFrame à partir du cache
     csv_content = user_csvs[user_id]
-    
+
     try:
         # Si csv_content est une chaîne, il n'est pas nécessaire de décoder
         if isinstance(csv_content, bytes):
             df = pd.read_csv(io.StringIO(csv_content.decode('utf-8')))
         else:
             df = pd.read_csv(io.StringIO(csv_content))
-        
+
         # Reste de votre code pour la pagination et le traitement...
         page = int(request.args.get('page', 1))
         limit = int(request.args.get('limit', 10))
@@ -66,12 +68,12 @@ def get_movies():
                 'id': start_index + i + 1,
                 'Watched Date': movie['Watched Date'],
                 'Name': movie['Name'],
-                'Year':  movie['Year'],
+                'Year': movie['Year'],
                 'Poster': get_poster_url(movie['Name'], movie['Year']),
             }
             for i, movie in enumerate(movies)
         ]
-        
+
         return jsonify({
             'movies': movies_with_posters,
             'total': total_movies,
@@ -81,27 +83,29 @@ def get_movies():
     except Exception as e:
         print(f"Error in get_movies: {str(e)}")
         return jsonify({'error': 'An error occurred while fetching movies'}), 500
-    
+
+
 @api_bp.route('/posters/<movie_name>/<movie_year>', methods=['GET'])
 def get_movie_posters(movie_name, movie_year):
-    
     tmdb_service = TMDBService()
-    
+
     movie = tmdb_service.search_movie(movie_name, movie_year)
-        
+
     if movie:
         posters = tmdb_service.get_movie_posters(movie['id'])
         return jsonify({'posters': posters})
     else:
         return jsonify({'error': 'Movie not found'}), 404
-    
+
+
 def allowed_file(filename):
     return '.' in filename and filename.rsplit('.', 1)[1].lower() in ALLOWED_EXTENSIONS
-    
+
+
 @api_bp.route('/upload-csv', methods=['POST'])
 def upload_csv():
     user_id = session.get('user_id')
-    
+
     if 'file' not in request.files:
         return jsonify({'error': 'No file part'}), 400
     file = request.files['file']
@@ -110,7 +114,7 @@ def upload_csv():
     if file and allowed_file(file.filename):
         content = file.read()
         user_csvs[user_id] = content
-        
+
         try:
             df = pd.read_csv(io.StringIO(content.decode('utf-8')))
             df = df.rename(columns={
@@ -118,18 +122,19 @@ def upload_csv():
                 'Name': 'Name',
                 'Year': 'Year'
             })
-            
+
             user_csvs[user_id] = df.to_csv(index=False)
-            
+
             return jsonify({'success': True, 'message': 'File uploaded and processed successfully'}), 200
         except Exception as e:
             return jsonify({'error': f'Error processing file: {str(e)}'}), 500
     return jsonify({'error': 'File type not allowed'}), 400
 
+
 @api_bp.route('/check-csv', methods=['GET'])
 def check_csv():
     user_id = session.get('user_id')
-    
+
     try:
         if user_id in user_csvs:
             return jsonify({'fileExists': True}), 200
@@ -139,10 +144,11 @@ def check_csv():
         print(f"Error in check_csv: {str(e)}")
         return jsonify({'error': 'An error occurred while checking the CSV file'}), 500
 
+
 @api_bp.route('/delete-csv', methods=['DELETE'])
 def delete_csv():
     user_id = session.get('user_id')
-    
+
     try:
         if user_id in user_csvs:
             del user_csvs[user_id]
@@ -159,22 +165,25 @@ def download_posters():
     try:
         data = request.get_json()
         selected_posters = data.get('posters', [])
-        
+
         if not selected_posters:
             return jsonify({'error': 'No posters selected'}), 400
-        
+
         zip_buffer = io.BytesIO()
         with zipfile.ZipFile(zip_buffer, 'w', zipfile.ZIP_DEFLATED) as zip_file:
             # Télécharger chaque poster
             for poster in selected_posters:
                 movie_id = poster['movieId']
                 poster_id = poster['posterId']
-                poster_url = f"https://image.tmdb.org/t/p/w500{poster_id}"
+                watched_date = poster.get('watchedDate', 'unknown-date')
+
+                poster_url = f"https://image.tmdb.org/t/p/original{poster_id}"
 
                 try:
                     response = requests.get(poster_url)
                     if response.status_code == 200:
-                        zip_file.writestr(f"{movie_id}.jpg", response.content)
+                        file_name = f"{watched_date}_{movie_id}.jpg"
+                        zip_file.writestr(file_name, response.content)
                     else:
                         print(f"Failed to download poster for movie ID {movie_id}")
                 except Exception as e: