Update sync_data.sh

sync_data.sh

@@ -127,14 +127,14 @@ sync_data() {
             fi
 
             # 清理旧备份文件
-            python3 -c "
+            WEBDAV_URL="$FULL_WEBDAV_URL" WEBDAV_USERNAME="$WEBDAV_USERNAME" WEBDAV_PASSWORD="$WEBDAV_PASSWORD" BACKUP_RETENTION="$BACKUP_RETENTION" python3 -c "
 import os
 from webdav3.client import Client
 
-WEBDAV_URL = os.environ.get('FULL_WEBDAV_URL')
+WEBDAV_URL = os.environ.get('WEBDAV_URL')
 WEBDAV_USERNAME = os.environ.get('WEBDAV_USERNAME')
 WEBDAV_PASSWORD = os.environ.get('WEBDAV_PASSWORD')
-BACKUP_RETENTION = int(os.environ.get('BACKUP_RETENTION', 5))
+BACKUP_RETENTION = int(os.environ.get('BACKUP_RETENTION', '5'))
 
 options = {
     'webdav_hostname': WEBDAV_URL,
@@ -154,7 +154,8 @@ try:
                 print(f'Error deleting {file}: {e}')
 except Exception as e:
     print(f'Error managing backups: {e}')
-"
+" 2>&1
+
             rm -f "${backup_file_path}"
         else
             echo "Failed to create backup archive."