Ask for a model labor contract in the studio.

Signature: Party A: Party B: ID card: Party A employs Party B as a regular employee, and both parties agree to abide by the following terms through equal consultation. Article 1 Party B's attendance and management shall be handled in accordance with Party A's relevant personnel management system. Article 2 Party B's post or type of work is as follows: Article 3 During his employment in Party A, Party B shall perform his duties in the following workplaces according to Party A's work arrangement (1) the headquarters of Party A's company; (2) Party A is in a wholly-owned company or a joint venture company with shares; (3) Party A's institutions in mainland provinces and overseas institutions; (4) places that need to travel. Article 4 Party B's job responsibilities and matters shall be assigned by Party A according to Party B's post or type of work, Party B's ability and Party A's needs. Article 5 Party B's normal working hours, rest and vacation, etc. (See attached table). Article 6 When Party A requests Party B to work overtime according to work needs, Party B shall cooperate with it, except for irresistible reasons (see the attached table). Article 7 Party B's remuneration: Party A pays Party B's salary on a monthly basis, and Party B's salary is set as the basic monthly salary, and can enjoy the allowance, welfare and bonus commission stipulated by the company (see the attached table); Article 8 Party B's monthly salary shall be paid by Party A in the following month.

I found it online.