public WheelCollider WCFR;
    public WheelCollider WCFL;
    public float motorToque = 6000;
    public float steerAngle = 5000;

    void Update () {
        WCFL.motorTorque = Input.GetAxis("Vertical") * motorToque;
        WCFR.motorTorque = Input.GetAxis("Vertical") * motorToque;
        //Debug.Log(Input.GetAxis("Vertical"));
        WCFL.steerAngle = Input.GetAxis("Horizontal") * steerAngle;
        WCFR.steerAngle = Input.GetAxis("Horizontal") * steerAngle;
        //Debug.Log(Input.GetAxis("Horizontal"));
    }

前后移动都还算正常，就是无法转向。。。。。。。