diff --git a/README.md b/README.md
index e91c3d9..1963ee9 100644
--- a/README.md
+++ b/README.md
@@ -145,6 +145,6 @@ func main() {
 
 Copyright (C) 2018, by HuanGong [gonghuan.dev@gmail.com](mailto:gonghuan.dev@gmail.com).
 
-Under the Apache License, Version 2.0.
+Under the MIT License.
 
 See the [LICENSE](LICENSE) file for details.
diff --git a/logger.go b/logger.go
index 1a115f7..ff820c5 100644
--- a/logger.go
+++ b/logger.go
@@ -9,7 +9,7 @@ const (
 )
 
 var (
-	LogLevel int           = DebugLevel // control defaultLogger log level
+	LogLevel int           = InfoLevel // control defaultLogger log level
 	Logger   BEIndexLogger = &DefaultLogger{}
 )