If the off-campus login accesses the on-campus resources, malicious downloads will occur and IP will be temporarily blocked. Generally, it cannot be downloaded on the same day.
If it is serious, HowNet may ban all off-campus access rights.
This happened grandly a few days ago, and HowNet stopped all off-campus download permissions.
Just pay attention in the future and don't download in large quantities.
To read the next article, remember not to download it all at once and read it one by one.
HowNet is better, but the websites of foreign periodicals such as ACS and Elsevier are still relatively strict.