Quadruped controller in the example cannot move backwards

Hi I’m planning to use the Quadruped Controller in Isaac to control Unitree A1 Robot movement using Python. I tried the example from [here] (Quadruped — Omniverse Robotics documentation) in Isaac Sim, but for some reason the A1 cannot move backwards when I pressed the “NUMPAD_2” or “DOWN” key.
Is there anything I should look into or anything I can do to fix this? Thank you

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Hi @sanundsha - Do you mind sharing the python script here to debug the issue further?