diff --git a/users_comments.md b/users_comments.md
index 72ac0e9c..49d4a3f7 100644
--- a/users_comments.md
+++ b/users_comments.md
@@ -327,6 +327,12 @@ Dear AtsushiSakai, <br> <br>Thank you so much for making the concept of robotics
 
 ---
 
+Benefit a lot for your GitHub repository of PythonRobotics. Thanks so much.
+
+--Haoran
+
+---
+
 # Citations
 
 1. B. Blaga, M. Deac, R. W. Y. Al-doori, M. Negru and R. Dǎnescu, "Miniature Autonomous Vehicle Development on Raspberry Pi," 2018 IEEE 14th International Conference on Intelligent Computer Communication and Processing (ICCP), Cluj-Napoca, Romania, 2018, pp. 229-236.