diff --git a/app/app_differential_drive.c b/app/app_differential_drive.c
index b3cb677..458a637 100644
--- a/app/app_differential_drive.c
+++ b/app/app_differential_drive.c
@@ -765,7 +765,7 @@ static void diffInput(void *signal_id)
             diff_data.desired_speed = diff_data.desired_speed * 0.01f;
             diff_data.desired_curvature = diff_data.desired_curvature * 0.0001f;
             // 遥控器速度映射，参数含义为：输入速度，死区，最大输入，最大输出，低速输入，低速输出
-            diff_data.desired_speed = mapRemoteControlSpeed(diff_data.desired_speed, 1, 20, 5, 5, 0.5);         
+//            diff_data.desired_speed = mapRemoteControlSpeed(diff_data.desired_speed, 1, 20, 5, 5, 0.5);         
             diff_data.desired_curvature = mapRemoteControlSpeed(diff_data.desired_curvature, 0.1, 2, 2, 1, 0.5);
             
             diff_data.desired_curvature = -diff_data.desired_curvature;