//图片水印
	    $handle->image_text = 'xiaoz.me';
	    //文字颜色
	    $handle->image_text_color = '#585858';
	    //字体路径
	    $handle->image_text_font = 5;
	    //字体透明度
	    $handle->image_text_opacity = 80;
	    //水平坐标
	    $handle->image_text_x = 10;
	    //垂直坐标
	    $handle->image_text_y = $handle->image_dst_y - 30;
	    //字体大小
	    $handle->image_text_size = 60;
	    //图片水印END