Access Canvas LMS (Instructure) for course data, assignments, grades, and submissions. Use when checking due dates, viewing grades, listing courses, or fetching course materials from Canvas.

访问 Canvas LMS（Instructure）以获取课程数据、作业、成绩和提交内容。适用于检查截止日期、查看成绩、列出课程或从 Canvas 获取课程材料。