@Test
public void testWatermarkAction2() throws Exception {

	WaterMaskProperties config = new WaterMaskProperties();
	config.setText("测试了~~");
	config.setSize(100);
	config.setImage("test/activiti-logo.png?x-oss-process=image/resize,P_30");
	this.wraper.objectOperation(bucketName, "test/test-upload.jpg")
				.watermask("test/test-upload-mask.jpg", config, null);
}