Don't even think about treatment. Generally speaking, it is poor, and there is almost no possibility of development, not to say that there is absolutely no, but the probability of good is only 1%. What are the hidden rules for a person who has just practiced? There are no hidden rules. Don't sell your dignity for a junk job. The most important thing in this society is work. There are several trees that can touch the dead and the living.
If you really come to the company that signed the contract, the treatment is poor, there is a gap with the applicant, and you feel that the application is not suitable, people will not work in this company at all.