1. Search for 233 online school safety teaching and research team: You can enter the keyword "233 online school safety teaching and research team" through Baidu search or other search engines to find related websites.
2. Enter official website: In the search results, find official website from the teaching and research team of 233 Online School, and click Enter.
3. Understand the course information: In official website, you can check Jia Ruobing's course introduction, course arrangement, registration time and other information.
4. Consult the teaching assistant: In official website, you will see a "online consultation" or "contact the teaching assistant" button. After clicking, you can communicate with the teaching assistant in real time to understand the specific situation of the course.