diff --git a/README.en.md b/README.en.md
index aefb93a..2021e14 100644
--- a/README.en.md
+++ b/README.en.md
@@ -30,9 +30,9 @@ Developers can quickly verify algorithms with XTDrone, such as:
 
 <img src="./images/vslam.gif" width="640" height="360" /> 
 
-3. RGBD-SLAM
+3. Dense Reconstruction
 
-<img src="./images/rgbdslam.gif" width="640" height="360" /> 
+<img src="./images/dense_reconstruction.gif" width="640" height="360" /> 
 
 4. 2D Laser SLAM
 
diff --git a/README.md b/README.md
index 31f4865..2b130c7 100644
--- a/README.md
+++ b/README.md
@@ -29,9 +29,9 @@ Xiao, K., Ma, L., Tan, S., Cong, Y., Wang, X.: Implementation of UAV Coordinatio
 
 <img src="./images/vslam.gif" width="640" height="360" /> 
 
-3. RGBD-SLAM
+3. 三维稠密重建
 
-<img src="./images/rgbdslam.gif" width="640" height="360" /> 
+<img src="./images/dense_reconstruction.gif" width="640" height="360" /> 
 
 4. 2D激光SLAM
 
diff --git a/images/dense_reconstruction.gif b/images/dense_reconstruction.gif
new file mode 100755
index 0000000..42826cc
Binary files /dev/null and b/images/dense_reconstruction.gif differ