No text in new installed Gazebo Sim

I work on Ubuntu22 and am new to Gazebo Sim. I installed it under instruction of this post:

When I start it with

gazebo.gz gazebo shapes.sdf

It turns out to be like this:

I don’t even know how to describe this issue… and couldn’t find any post related to this.
Before I installed Gazebo Sim, I installed Gazebo 11 with:

sudo apt install ros-humble-gazebo-ros-pkgs

Is this the reason? I appreciate for any advices!

Please ask this kind of questions on the Robotics Stack Exchange instead.

I suggest to try by uninstalling and installing according to the official instructions instead.