diff --git a/app.py b/app.py
index d4c54fd..ab9bedf 100644
--- a/app.py
+++ b/app.py
@@ -1,12 +1,11 @@
-__version__ = "dev-0.4.6"
+__version__ = "dev-0.4.7"
 __all__ = ["Discordbot-chatai-webpanel (Discord)"]
 __author__ = "SimolZimol"
 
-from flask import Flask, render_template, redirect, url_for, request, session, jsonify, send_file, flash
+from flask import Flask, render_template, redirect, url_for, request, session, jsonify, flash
 from requests_oauthlib import OAuth2Session
 import os
 import subprocess
-import psutil
 import mysql.connector
 from datetime import datetime
 
@@ -15,49 +14,27 @@ app.secret_key = os.getenv("FLASK_SECRET_KEY")
 
 LOG_FILE_PATH = os.path.join("logs", f"{datetime.now().strftime('%Y-%m-%d')}.log")
 
-# Verwende Umgebungsvariablen für die Datenbankverbindung
+# Datenbankverbindung
 DB_HOST = os.getenv("DB_HOST")
 DB_PORT = os.getenv("DB_PORT")
 DB_USER = os.getenv("DB_USER")
 DB_PASS = os.getenv("DB_PASSWORD")
 DB_NAME = os.getenv("DB_DATABASE")
 
+# Discord OAuth2-Konfiguration
 DISCORD_CLIENT_ID = os.getenv("DISCORD_CLIENT_ID")
 DISCORD_CLIENT_SECRET = os.getenv("DISCORD_CLIENT_SECRET")
 DISCORD_REDIRECT_URI = os.getenv("DISCORD_REDIRECT_URI")
 DISCORD_OAUTH2_URL = "https://discord.com/api/oauth2/authorize"
 DISCORD_TOKEN_URL = "https://discord.com/api/oauth2/token"
 DISCORD_API_URL = "https://discord.com/api/users/@me"
-os.environ['OAUTHLIB_INSECURE_TRANSPORT'] = '1'
+DISCORD_GUILDS_URL = "https://discord.com/api/users/@me/guilds"
 
-# Speichern der Prozess-ID
+os.environ['OAUTHLIB_INSECURE_TRANSPORT'] = '1'  # nur für Entwicklungszwecke
+
+# Bot-Status
 bot_process = None
 
-def bot_status():
-    """Überprüft, ob der Bot läuft."""
-    global bot_process
-    if bot_process is None:
-        return False
-    return bot_process.poll() is None  # None bedeutet, dass der Prozess noch läuft
-
-def start_bot():
-    """Startet den Bot."""
-    global bot_process
-    if not bot_status():
-        bot_process = subprocess.Popen(["python", "bot.py"], cwd=os.path.dirname(os.path.abspath(__file__)))
-    else:
-        print("Bot läuft bereits.")
-
-def stop_bot():
-    """Stoppt den Bot."""
-    global bot_process
-    if bot_process and bot_status():
-        bot_process.terminate()
-        bot_process.wait()  # Warten, bis der Prozess beendet ist
-        bot_process = None
-    else:
-        print("Bot läuft nicht.")
-
 def get_db_connection():
     """Stellt eine Verbindung zur MySQL-Datenbank her."""
     return mysql.connector.connect(
@@ -69,26 +46,33 @@ def get_db_connection():
     )
 
 def make_discord_session(token=None, state=None):
+    """Erstellt eine Discord OAuth2-Session."""
     return OAuth2Session(
         DISCORD_CLIENT_ID,
         token=token,
         state=state,
         redirect_uri=DISCORD_REDIRECT_URI,
-        scope=["identify", "guilds"]  # Hinzufügen des "guilds"-Scopes
+        scope=["identify", "guilds"]
     )
 
+def fetch_discord_guilds(discord_session):
+    """Lädt die Gilden des Benutzers von der Discord-API."""
+    try:
+        return discord_session.get(DISCORD_GUILDS_URL).json()
+    except Exception as e:
+        print(f"Fehler beim Abrufen der Gilden: {e}")
+        return None
 
 def is_bot_admin():
     """Überprüft, ob der Benutzer globale Admin-Rechte hat."""
     if "discord_user" in session:
         user_info = session["discord_user"]
         user_id = user_info["id"]
-        
+
         connection = get_db_connection()
         cursor = connection.cursor(dictionary=True)
         cursor.execute("SELECT global_permission FROM bot_data WHERE user_id = %s", (user_id,))
         user_data = cursor.fetchone()
-        
         cursor.close()
         connection.close()
 
@@ -100,12 +84,11 @@ def is_server_admin(guild_id):
     if "discord_user" in session:
         user_info = session["discord_user"]
         user_id = user_info["id"]
-        
+
         connection = get_db_connection()
         cursor = connection.cursor(dictionary=True)
         cursor.execute("SELECT permission FROM user_data WHERE user_id = %s AND guild_id = %s", (user_id, guild_id))
         user_data = cursor.fetchone()
-        
         cursor.close()
         connection.close()
 
@@ -135,62 +118,35 @@ def callback():
         client_secret=DISCORD_CLIENT_SECRET,
         authorization_response=request.url,
     )
-    
-    session['oauth_token'] = token
-    
-    # User-Informationen von Discord abrufen
-    user_info = discord.get(DISCORD_API_URL).json()
-    session['discord_user'] = user_info
 
-    # Hole die Gilden (Server), auf denen der Benutzer ist
-    guilds = discord.get('https://discord.com/api/users/@me/guilds').json()
-    session['discord_guilds'] = guilds  # Speichere die Gilden im Session
+    session['oauth_token'] = token
+    session['discord_user'] = discord.get(DISCORD_API_URL).json()
+
+    # Gilden (Server) nur einmal laden und in der Session speichern
+    session['discord_guilds'] = fetch_discord_guilds(discord)
 
     return redirect(url_for("server_selection"))
 
-
 @app.route("/server_selection")
 def server_selection():
     """Zeigt dem Benutzer eine Liste aller Server an, auf denen er sich befindet."""
     if "discord_user" in session:
-        user_info = session["discord_user"]
-        user_id = user_info["id"]
-
-        connection = get_db_connection()
-        cursor = connection.cursor(dictionary=True)
-
-        # Abfrage aller Server (guilds), auf denen der Benutzer ist
-        cursor.execute("SELECT DISTINCT guild_id FROM user_data WHERE user_id = %s", (user_id,))
-        guilds = cursor.fetchall()
-
-        cursor.close()
-        connection.close()
+        guilds = session.get('discord_guilds', [])
+        
+        if not guilds:
+            flash("Es wurden keine Server gefunden.", "danger")
+            return redirect(url_for("landing_page"))
 
         if len(guilds) == 1:
-            # Wenn der Benutzer nur auf einem Server ist, leiten wir direkt dorthin weiter
-            return redirect(url_for("user_dashboard", guild_id=guilds[0]['guild_id']))
+            return redirect(url_for("user_dashboard", guild_id=guilds[0]['id']))
         else:
             return render_template("server_selection.html", guilds=guilds)
-
+    
     return redirect(url_for("login"))
 
-@app.route("/admin_dashboard")
-def admin_dashboard():
-    """Zeigt das Bot-Admin-Dashboard an (nur für globale Admins)."""
-    if is_bot_admin():
-        return render_template("admin_dashboard.html", bot_running=bot_status())
-    return redirect(url_for("landing_page"))
-
-@app.route("/server_admin_dashboard/<int:guild_id>")
-def server_admin_dashboard(guild_id):
-    """Zeigt das Server-Admin-Dashboard an (nur für Server-Admins)."""
-    if is_server_admin(guild_id):
-        return render_template("server_admin_dashboard.html", guild_id=guild_id)
-    return redirect(url_for("landing_page"))
-
 @app.route("/user_dashboard/<int:guild_id>")
 def user_dashboard(guild_id):
-    """Zeigt das User-Dashboard für einen spezifischen Server (guild_id) an."""
+    """Zeigt das User-Dashboard für den ausgewählten Server an."""
     if "discord_user" in session:
         user_info = session["discord_user"]
         user_id = user_info["id"]
@@ -198,7 +154,6 @@ def user_dashboard(guild_id):
         connection = get_db_connection()
         cursor = connection.cursor(dictionary=True)
 
-        # Hole Benutzerinformationen für den ausgewählten Server
         cursor.execute("SELECT * FROM user_data WHERE user_id = %s AND guild_id = %s", (user_id, guild_id))
         user_data = cursor.fetchone()
 
@@ -208,8 +163,9 @@ def user_dashboard(guild_id):
         if user_data:
             return render_template("user_dashboard.html", user_info=user_info, user_data=user_data, guild_id=guild_id)
         else:
-            return "User data not found", 404
-
+            flash("Keine Daten für diesen Server gefunden.", "danger")
+            return redirect(url_for("server_selection"))
+    
     return redirect(url_for("login"))
 
 @app.route("/logout")
@@ -218,20 +174,17 @@ def logout():
     session.clear()
     return redirect(url_for("landing_page"))
 
-# Bot Management Routes
-@app.route("/start_bot")
-def start():
-    if is_bot_admin():
-        start_bot()
-        return redirect(url_for("admin_dashboard"))
-    return redirect(url_for("landing_page"))
-
-@app.route("/stop_bot")
-def stop():
-    if is_bot_admin():
-        stop_bot()
-        return redirect(url_for("admin_dashboard"))
-    return redirect(url_for("landing_page"))
+# Verbesserte Fehlerbehandlung: Automatisches Logout bei ungültigem Token
+@app.before_request
+def check_oauth_token():
+    if "oauth_token" in session:
+        discord = make_discord_session(token=session["oauth_token"])
+        try:
+            discord.get(DISCORD_API_URL)  # Test-API-Aufruf, um Token zu validieren
+        except Exception:
+            session.clear()
+            flash("Deine Sitzung ist abgelaufen. Bitte erneut einloggen.", "warning")
+            return redirect(url_for("login"))
 
 if __name__ == "__main__":
     app.run(host="0.0.0.0", port=5000, debug=True)
diff --git a/templates/server_selection.html b/templates/server_selection.html
index 809f28d..510f37d 100644
--- a/templates/server_selection.html
+++ b/templates/server_selection.html
@@ -4,13 +4,18 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>Server Selection</title>
+    <link href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css" rel="stylesheet">
 </head>
 <body>
-    <h1>Select a Server</h1>
-    <ul>
-        {% for guild in session['discord_guilds'] %}
-        <li><a href="{{ url_for('user_dashboard', guild_id=guild['id']) }}">{{ guild['name'] }}</a></li>
-        {% endfor %}
-    </ul>
+    <div class="container">
+        <h1 class="mt-5">Wähle einen Server</h1>
+        <ul class="list-group mt-3">
+            {% for guild in guilds %}
+            <li class="list-group-item">
+                <a href="{{ url_for('user_dashboard', guild_id=guild['id']) }}">{{ guild['name'] }}</a>
+            </li>
+            {% endfor %}
+        </ul>
+    </div>
 </body>
 </html>