1 Solution
Hi @qiancheng_chen 
I assume you are the Instructor of your Canvas Course? If that is the case then all you will have to do is publish it then it will be visible for your students. Here's a guide for that https://community.canvaslms.com/docs/DOC-13030-415257126
If that is not the reason for your question then we are happy to support you further but will need a little more information about your issue.
Sing out if you need a hand.
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