update checker

checker.py

@@ -130,6 +130,10 @@ def init_logging(logFileName: str, debug: bool = False):
 
     rootLogger = logging.getLogger("checker")
 
+    fileHandler = logging.FileHandler(logFileName)
+    fileHandler.setFormatter(logFormatter)
+    rootLogger.addHandler(fileHandler)
+
     consoleHandler = logging.StreamHandler()
     consoleHandler.setFormatter(logFormatter)
     rootLogger.addHandler(consoleHandler)