2025-12-10 17:16:02,131 - log_config.py - error_task_logger - ERROR - NGV更新数据执行时发生异常: name 'data_NGV_j' is not defined
Traceback (most recent call last):
  File "D:\Idea Project\SaaS_V1.7\back_ground_module\update_all_NGV_data_daily.py", line 106, in main
    prepared_data = self._prepare_data_for_sync(changed_data, staff_id_map)
  File "D:\Idea Project\SaaS_V1.7\back_ground_module\update_all_NGV_data_daily.py", line 561, in _prepare_data_for_sync
    prepared_df['g_month_percentage'] = (pd.to_numeric(data_NGV_j['g_month_percentage'], errors='coerce')
                                                       ^^^^^^^^^^
NameError: name 'data_NGV_j' is not defined