diff --git a/xlog/log.go b/xlog/log.go
index f67c7d0..0a7f388 100644
--- a/xlog/log.go
+++ b/xlog/log.go
@@ -49,7 +49,8 @@ func init() {
 		DisableColors:   true,
 	}
 
-	configureLogger(logrus.StandardLogger(), "log/SJY01-preproc.log", logrus.InfoLevel)
+	os.MkdirAll("log/SJY01ImageProc", 0755)
+	configureLogger(logrus.StandardLogger(), "log/SJY01ImageProc/preproc.log", logrus.InfoLevel)
 }
 
 func NewLogger(logfile string) *logrus.Logger {
@@ -65,7 +66,7 @@ func configureLogger(logger *logrus.Logger, logfile string, level logrus.Level)
 	writer, _ := rotatelogs.New(
 		logfile+".%Y%m%d",
 		rotatelogs.WithLinkName(logfile),
-		rotatelogs.WithMaxAge(time.Duration(30*24)*time.Hour),
+		rotatelogs.WithMaxAge(time.Duration(7*24)*time.Hour),
 		rotatelogs.WithRotationTime(time.Duration(24)*time.Hour),
 	)