diff --git a/ROADMAP.md b/ROADMAP.md
index e1d0d88..bd55bc9 100644
--- a/ROADMAP.md
+++ b/ROADMAP.md
@@ -165,4 +165,8 @@ Der neue WebGL-basierte Hintergrund bietet:
 - Verbesserung der mobilen Benutzererfahrung
 - Integration von Exportfunktionen für Mindmaps
 
-*Zuletzt aktualisiert: 15.06.2024* 
\ No newline at end of file
+*Zuletzt aktualisiert: 15.06.2024*
+
+## [Entfernt] CORS-Unterstützung (flask-cors)
+- Die flask-cors-Bibliothek und alle zugehörigen Initialisierungen wurden entfernt.
+- CORS wird nicht mehr unterstützt oder benötigt. 
\ No newline at end of file
diff --git a/__pycache__/app.cpython-311.pyc b/__pycache__/app.cpython-311.pyc
index 209d477..491a265 100644
Binary files a/__pycache__/app.cpython-311.pyc and b/__pycache__/app.cpython-311.pyc differ
diff --git a/__pycache__/models.cpython-311.pyc b/__pycache__/models.cpython-311.pyc
index 6b906fa..f4e031e 100644
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diff --git a/app.py b/app.py
index 9aa310d..099f55e 100644
--- a/app.py
+++ b/app.py
@@ -17,9 +17,8 @@ import secrets
 from sqlalchemy.sql import func
 from openai import OpenAI
 from dotenv import load_dotenv
-from flask_cors import CORS
 from flask_socketio import SocketIO, emit
-from flask_wtf.csrf import CSRFProtect
+from flask_migrate import Migrate
 
 # Modelle importieren
 from models import (
@@ -43,6 +42,7 @@ app.config['SQLALCHEMY_DATABASE_URI'] = f'sqlite:///{db_path}'
 app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
 app.config['PERMANENT_SESSION_LIFETIME'] = timedelta(days=365)  # Langlebige Session für Dark Mode-Einstellung
 app.config['UPLOAD_FOLDER'] = os.getenv('UPLOAD_FOLDER', os.path.join(os.getcwd(), 'uploads'))
+app.config['WTF_CSRF_ENABLED'] = False
 
 # OpenAI API-Konfiguration
 api_key = os.environ.get("OPENAI_API_KEY")
@@ -92,12 +92,10 @@ login_manager.login_view = 'login'
 # Erst nach der App-Initialisierung die DB-Check-Funktionen importieren
 from utils.db_check import check_db_connection, initialize_db_if_needed
 
-# CORS und SocketIO initialisieren
-CORS(app)
-socketio = SocketIO(app, cors_allowed_origins="*")
+# SocketIO initialisieren
+socketio = SocketIO(app)
 
-# Security
-csrf = CSRFProtect(app)
+migrate = Migrate(app, db)
 
 def create_default_categories():
     """Erstellt die Standardkategorien für die Mindmap"""
diff --git a/database/systades.db b/database/systades.db
index 8a04d1c..6a14d3c 100644
Binary files a/database/systades.db and b/database/systades.db differ
diff --git a/requirements.txt b/requirements.txt
index 7917c56..ab35693 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,8 +7,8 @@ werkzeug==2.2.3
 flask-sqlalchemy==3.0.5
 openai
 requests==2.31.0
-flask-cors==4.0.0
 gunicorn==21.2.0
 #pillow==10.0.1
 pytest==7.4.0
-pytest-flask==1.2.0
\ No newline at end of file
+pytest-flask==1.2.0
+Flask-Migrate
\ No newline at end of file
diff --git a/systades.db b/systades.db
deleted file mode 100644
index e69de29..0000000
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diff --git a/utils/__pycache__/db_fix.cpython-311.pyc b/utils/__pycache__/db_fix.cpython-311.pyc
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diff --git a/utils/__pycache__/db_rebuild.cpython-311.pyc b/utils/__pycache__/db_rebuild.cpython-311.pyc
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