diff --git a/README.md b/README.md
index 022bfbf..d7f26fb 100644
--- a/README.md
+++ b/README.md
@@ -48,6 +48,12 @@ Directory Structure
     <td><img src="https://github.com/zhm-real/path-planning-algorithms/blob/master/Search-based%20Planning/gif/Bi-Astar.gif" alt="biastar" width="400"/></a></td>
   </tr>
 </table>
+<table>
+  <tr>
+    <td><img src="https://github.com/zhm-real/path-planning-algorithms/blob/master/Search-based%20Planning/gif/ARA_star.gif" alt="arastar" width="400"/></a></td>
+    <td><img src="https://github.com/zhm-real/path-planning-algorithms/blob/master/Search-based%20Planning/gif/LRTA_star.gif" alt="lrtastar" width="400"/></a></td>
+  </tr>
+</table>
 </div>
 
 ### Value/Policy/Q-value/Q-policy Iteration