you can negotiate with the other party. If negotiation fails, you can complain to the labor inspection department.
It is very useful to call 12345 to complain to the US Mission, which will directly handle the complaint, and the US Mission will reply to you according to the situation.
the report to the operators in the platform shall be handled by the market supervision and management department at or above the county level where they actually operate. If the market supervision and management department at or above the county level in the domicile of the e-commerce platform operator receives the report first, it may also handle it.