diff --git a/cmd/main.go b/cmd/main.go
index f41d19b..c1ef473 100644
--- a/cmd/main.go
+++ b/cmd/main.go
@@ -71,7 +71,7 @@ func main() {
 		return
 	}
 
-	loggo.Ini(loggo.Config{Level: loggo.LEVEL_DEBUG, Prefix: "pingtunnel", MaxDay: 7})
+	loggo.Ini(loggo.Config{Level: loggo.LEVEL_INFO, Prefix: "pingtunnel", MaxDay: 3})
 	loggo.Info("start...")
 	loggo.Info("key %d", *key)