improve: fixbug stdout

gokit.go

@@ -155,7 +155,7 @@ type Writer interface {
 	Close() error
 }
 
-func GetWriter()( io.Writer, error) {
+func GetWriter() (io.Writer, error) {
 	if logWriter == nil {
 		return nil, fmt.Errorf("logkit not inited")
 	}
@@ -213,6 +213,13 @@ func Init() (writer io.Writer, err error) {
 	if logWriter == nil && channel == STDOUT {
 		logWriter = os.Stdout
 	}
+	if alsoStdout {
+		if channel == STDOUT {
+			stdOut = logWriter
+		} else {
+			stdOut = os.Stdout
+		}
+	}
 	inited = true
 	return logWriter, nil
 }