优化代码，增加更新测试用例功能

src/core/__init__.py

@@ -14,6 +14,8 @@ from .base import DataLog, SignalData, ExcelDataResult
 from .mil_read_data_excel import read_excel_data, get_data_log, ExcelReaderConfig
 from .mil_read_case_excel import read_excel_case
 from .mil_create_data_excel import create_excel_case
+from .mil_update_excel import update_case_excel
+
 from .exceptions import (
     MILSDKError,
     ExcelReadError,
@@ -23,11 +25,6 @@ from .exceptions import (
 )
 from .logging_config import setup_logging, get_logger
 
-logging.basicConfig(
-    level=logging.INFO,
-    format="%(asctime)s - %(name)s - %(levelname)s - %(message)s"
-)
-
 __all__ = [
     "DataLog",
     "SignalData",