sdh

Boys i got the solutions! Try to use [X Virtual Framebuffer](https://en.wikipedia.org/wiki/Xvfb#:%7E:text=Xvfb%20or%20X%20virtual%20framebuffer,without%20showing%20any%20screen%20output.) for simulating display environment. **Remember to unset the MUJOCO_GL env variable when using xvfb!!!** For example, run the following...

Look at the color bar. Why is the attention value greater than 1?