diff --git a/library/calendar_sync.py b/library/calendar_sync.py
index 0c9c4eb..7a86f25 100644
--- a/library/calendar_sync.py
+++ b/library/calendar_sync.py
@@ -7,17 +7,13 @@ import requests
 from urllib.parse import urlparse
 
 def fetch_ics_events(url, user=None, password=None):
-    """Lädt Events aus einer ICS-URL"""
     try:
-        auth = (user, password) if user and password else None
-        response = requests.get(url, auth=auth)
+        response = requests.get(url, auth=(user, password) if user else None)
         response.raise_for_status()
-        
-        ics_data = response.text
-        cal = vobject.readOne(ics_data)
+        cal = vobject.readOne(response.text)
         return [comp for comp in cal.components() if comp.name == 'VEVENT']
     except Exception as e:
-        raise Exception(f"ICS-Download fehlgeschlagen: {str(e)}")
+        raise Exception(f"ICS-Fehler: {str(e)}")
 
 def connect_caldav(url, user=None, password=None, verify_ssl=True):
     try:
@@ -40,15 +36,12 @@ def connect_caldav(url, user=None, password=None, verify_ssl=True):
         raise Exception(f"CalDAV-Fehler: {str(e)}")
 
 def sync_ics_to_caldav(module):
-    """Haupt-Synchronisationslogik"""
-    # ICS-Events holen
     ics_events = fetch_ics_events(
         module.params['source_url'],
         module.params['source_user'],
         module.params['source_password']
     )
     
-    # CalDAV-Ziel verbinden
     target_cal = connect_caldav(
         module.params['target_url'],
         module.params['target_user'],
@@ -56,35 +49,32 @@ def sync_ics_to_caldav(module):
         module.params['verify_ssl']
     )
     
-    # Existierende Events mappen
     existing_events = {
-        event.icalendar_component['UID']: event 
+        event.icalendar_component.uid.value: event  # Korrektur hier
         for event in target_cal.events()
     }
     
     changed = False
     results = {'added': [], 'updated': [], 'removed': []}
     
-    # Neue/aktualisierte Events syncen
-    for vevent in ics_events:
-        uid = str(vevent['UID'].value)
+for vevent in ics_events:
+    if not hasattr(vevent, 'uid') or not vevent.uid.value:
+        continue  # Events ohne UID überspringen
+    uid = str(vevent.uid.value)
         ical_data = vevent.serialize()
         
         if uid not in existing_events:
             target_cal.add_event(ical_data)
             results['added'].append(uid)
             changed = True
-        else:
-            # Nur aktualisieren wenn unterschiedlich
-            if ical_data != existing_events[uid].data:
-                existing_events[uid].data = ical_data
-                existing_events[uid].save()
-                results['updated'].append(uid)
-                changed = True
+        elif ical_data != existing_events[uid].data:
+            existing_events[uid].data = ical_data
+            existing_events[uid].save()
+            results['updated'].append(uid)
+            changed = True
     
-    # Optionale Löschung nicht vorhandener Events
-    if module.params.get('purge'):
-        for uid in set(existing_events.keys()) - {str(e['UID'].value) for e in ics_events}:
+    if module.params['purge']:
+        for uid in set(existing_events.keys()) - {str(e.uid.value) for e in ics_events}:
             existing_events[uid].delete()
             results['removed'].append(uid)
             changed = True