ROS2 Nagivation How to speed up robot?

I Hi, I have integrated navigation and RL walking together, and anymal robot can automatically walk to the target by the twist message sent by the navigation stack. Learned a little bit of ROS navigation practice,It is cool , however it walk too slowly!
I try to nav params such as max_vel_x, but not work! why ?(my computer calc power is not sufficient ?)

Hi @kanghua151 - Someone from our team will review and respond back to you.