diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index 3801851..13fdd6b 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -8,7 +8,6 @@ Guidelines for modifications:
 
 * Please keep the lists sorted alphabetically.
 * Names should be added to this file as: *individual names* or *organizations*.
-* E-mail addresses are tracked elsewhere to avoid spam.
 
 ## Developers
 
@@ -16,6 +15,8 @@ Guidelines for modifications:
 
 ## Contributors
 
-Jijie Huang
- 
+* Jijie Huang
+
 ## Acknowledgements
+
+* Unitree Robotics
diff --git a/README.md b/README.md
index a893ea9..a9d7cb6 100644
--- a/README.md
+++ b/README.md
@@ -135,7 +135,8 @@ Or press **0** on the keyboard to switch the robot to the default standing posit
     source devel/setup.bash
     rosrun rl_sar rl_real_go2 <YOUR_NETWORK_INTERFACE>
     ```
-4. Go2 supports both gamepad and keyboard control, using the same method as mentioned above for a1.
+4. Go2 supports both joy and keyboard control, using the same method as mentioned above for A1.
+
 ### Train the actuator network
 
 Take A1 as an example below
diff --git a/README_CN.md b/README_CN.md
index acbec15..1dd49e1 100644
--- a/README_CN.md
+++ b/README_CN.md
@@ -137,6 +137,7 @@ rosrun rl_sar rl_real_a1
     rosrun rl_sar rl_real_go2 <YOUR_NETWORK_INTERFACE>
     ```
 4. Go2支持手柄与键盘控制，方法与上面a1相同
+
 ### 训练执行器网络
 
 下面拿A1举例