@huangs That image/PDF is definitely from the PowerSchool system, not Canvas. It seems from your post that your SIS integration is showing this information somewhere in Canvas (whether it's in the course name, section name, etc).
If you need to adjust how Canvas is pulling information from PowerSchool through the SIS Integration (SIStemic/OneRoster), then you'll need to contact Canvas support (whether it's contacting your IT person and having them contact Canvas or if you're the IT person and you need to contact the Canvas SIS team) . Unfortunately we won't be able to help. The Canvas support teams have a better insight into the integration and can advise on what needs to be adjusted. Hope this helps!