1. Go to cajviewer.cnki.net to download the global academic bulletin.

2. After downloading, a small box will pop up and move to the application (if I remember correctly, it should be.

3. Open the paper that HowNet wants to download or consult (it may not be possible at this time.

4. Then, as shown on the cover, enter the system preferences of the macbook-security and privacy-and click it to open it, which is a perfect solution.