diff --git a/docs/storage/driver/oss/oss.go b/docs/storage/driver/oss/oss.go
index 03afdbe19..1ec045252 100644
--- a/docs/storage/driver/oss/oss.go
+++ b/docs/storage/driver/oss/oss.go
@@ -745,7 +745,7 @@ func (d *driver) URLFor(ctx context.Context, path string, options map[string]int
 	}
 	logrus.Infof("methodString: %s, expiresTime: %v", methodString, expiresTime)
 	signedURL := d.Bucket.SignedURLWithMethod(methodString, d.ossPath(path), expiresTime, nil, nil)
-    logrus.Infof("signed URL: %s", signedURL)
+	logrus.Infof("signed URL: %s", signedURL)
 	return signedURL, nil
 }