diff --git a/logger_level.go b/logger_level.go
index 00ed547..c1e844e 100644
--- a/logger_level.go
+++ b/logger_level.go
@@ -44,19 +44,19 @@ func (l myLogger) Level(level uint8) Logger {
 
 func unmarshalLevel(level uint8) string {
 	switch level {
-	case 1:
+	case alertFlag:
 		return "alert"
-	case 2:
+	case errorFlag:
 		return "error"
-	case 3:
+	case warnFlag:
 		return "warn"
-	case 4:
+	case highlightFlag:
 		return "highlight"
-	case 5:
+	case informFlag:
 		return "inform"
-	case 6:
+	case logFlag:
 		return "log"
-	case 7:
+	case traceFlag:
 		return "trace"
 	default:
 		return ""
diff --git a/my_logger.go b/my_logger.go
index c39bd80..5fbbca4 100644
--- a/my_logger.go
+++ b/my_logger.go
@@ -28,7 +28,7 @@ func (l myLogger) log(level uint8, s ...interface{}) {
 	if l.Writer == nil {
 		return
 	}
-	f := fmt.Sprintf("%s%s msg=%q\n", logPrefix(level), l.prefix, fmt.Sprint(s...))
+	f := fmt.Sprintf("%s%s msg=%q", logPrefix(level), l.prefix, fmt.Sprint(s...))
 	fmt.Fprintln(l.Writer, f)
 }