diff --git a/pkg/logging/logger.go b/pkg/logging/logger.go
index 95283b4..ff18ba9 100644
--- a/pkg/logging/logger.go
+++ b/pkg/logging/logger.go
@@ -37,7 +37,7 @@ func (l *Logger) Println(v ...interface{}) {
 	fmt.Fprintln(l.file, nowStr, v)
 
 	if l.toStdout {
-		fmt.Println(nowStr, v)
+		fmt.Println(v...)
 	}
 }
 
@@ -55,7 +55,7 @@ func (l *Logger) Printf(format string, v ...interface{}) {
 	fmt.Fprintf(l.file, nowStr+" "+format, v...)
 
 	if l.toStdout {
-		fmt.Printf(nowStr+" "+format, v...)
+		fmt.Printf(format, v...)
 	}
 }
 
@@ -67,7 +67,7 @@ func (l *Logger) Fatalln(v ...interface{}) {
 	fmt.Fprintln(l.file, nowStr, v)
 
 	if l.toStdout {
-		fmt.Println(nowStr, v)
+		fmt.Println(v...)
 	}
 
 	l.file.Close()
@@ -87,7 +87,7 @@ func (l *Logger) Fatalf(format string, v ...interface{}) {
 	fmt.Fprintf(l.file, nowStr+" "+format, v...)
 
 	if l.toStdout {
-		fmt.Printf(nowStr+" "+format, v...)
+		fmt.Printf(format, v...)
 	}
 
 	l.file.Close()