diff --git a/src/ImagePublisher.cpp b/src/ImagePublisher.cpp
index ef132b3..e0fa7af 100644
--- a/src/ImagePublisher.cpp
+++ b/src/ImagePublisher.cpp
@@ -22,7 +22,7 @@ namespace j7s {
         std::shared_ptr<rclcpp::Publisher<sensor_msgs::msg::CompressedImage>> m_compressedPublisher;
         rclcpp::TimerBase::SharedPtr m_timer;
 
-        std::tuple<sensor_msgs::msg::Image::SharedPtr, sensor_msgs::msg::CompressedImage::SharedPtr> draw_image();
+        std::tuple<sensor_msgs::msg::Image::SharedPtr, sensor_msgs::msg::CompressedImage::SharedPtr> draw_image(double time);
     };
 };
 
@@ -34,19 +34,27 @@ namespace j7s {
         m_timer{}
     {
         m_timer = this->create_timer(33ms, [this]() -> void {
-            const auto [image, compressedImage] = draw_image();
+            const auto [image, compressedImage] = draw_image(this->now().seconds());
             m_publisher->publish(*image);
             m_compressedPublisher->publish(*compressedImage);
         });
     }
 
-    std::tuple<sensor_msgs::msg::Image::SharedPtr, sensor_msgs::msg::CompressedImage::SharedPtr> ImagePublisher::draw_image()
+    std::tuple<sensor_msgs::msg::Image::SharedPtr, sensor_msgs::msg::CompressedImage::SharedPtr> ImagePublisher::draw_image(double time)
     {
         cv::Mat mat = cv::Mat::zeros(200, 200, CV_8UC3);
 
+        cv::putText(mat,
+                    std::to_string(time),
+                    cv::Point(10, 20),
+                    cv::FONT_HERSHEY_SIMPLEX,
+                    0.5,
+                    cv::Scalar(255, 255, 255),
+                    1);
+
         std_msgs::msg::Header header;
+        cv_bridge::CvImage image(header, "rgb8", mat);
         header.stamp = this->now();
-        cv_bridge::CvImage image(header, "mono8", mat);
         return std::tuple(image.toImageMsg(), image.toCompressedImageMsg());
     }
 };