1. Open channel search: use the search engine, enter relevant keywords, such as futures rights issue cases and futures rights issue scams, and view relevant information in media reports, news, forums or social media.

2. Inquiry of regulatory agencies: Contact local or relevant financial regulatory agencies, such as China Securities Regulatory Commission, China Futures Monitoring Center, China Futures Association, etc. , query whether there are cases or early warning information about allocating futures by warehouse.