diff --git a/example/src/src/sport_mode_ctrl.cpp b/example/src/src/sport_mode_ctrl.cpp
index 27722ab7..bd6065ba 100755
--- a/example/src/src/sport_mode_ctrl.cpp
+++ b/example/src/src/sport_mode_ctrl.cpp
@@ -9,18 +9,18 @@
 #include "common/ros2_sport_client.h"
 
 using std::placeholders::_1;
-// Create a soprt_request class for soprt commond request
-class soprt_request : public rclcpp::Node
+// Create a sport_request class for soprt commond request
+class sport_request : public rclcpp::Node
 {
 public:
-    soprt_request() : Node("req_sender")
+    sport_request() : Node("req_sender")
     {
         // the state_suber is set to subscribe "sportmodestate" topic
         state_suber = this->create_subscription<unitree_go::msg::SportModeState>(
-            "sportmodestate", 10, std::bind(&soprt_request::state_callback, this, _1));
+            "sportmodestate", 10, std::bind(&sport_request::state_callback, this, _1));
         // the req_puber is set to subscribe "/api/sport/request" topic with dt
         req_puber = this->create_publisher<unitree_api::msg::Request>("/api/sport/request", 10);
-        timer_ = this->create_wall_timer(std::chrono::milliseconds(int(dt * 1000)), std::bind(&soprt_request::timer_callback, this));
+        timer_ = this->create_wall_timer(std::chrono::milliseconds(int(dt * 1000)), std::bind(&sport_request::timer_callback, this));
 
         t = -1; // Runing time count
     };
@@ -102,7 +102,7 @@ int main(int argc, char *argv[])
     rclcpp::init(argc, argv); // Initialize rclcpp
     rclcpp::TimerBase::SharedPtr timer_; // Create a timer callback object to send sport request in time intervals
 
-    rclcpp::spin(std::make_shared<soprt_request>()); //Run ROS2 node
+    rclcpp::spin(std::make_shared<sport_request>()); //Run ROS2 node
 
     rclcpp::shutdown();
     return 0;