2. Inform employees to sign labor contracts in time. If employees don't cooperate, they can serve the receipt notice in writing and keep the evidence. If he still doesn't sign, he can dissolve the relationship.
3. Check the labor contract regularly (every year) to see whether a contract has been signed, or whether a labor contract has been signed but not renewed.
4. Communicate with employees in time and countersign as soon as possible. The current employment situation is not very good. Unless there are special circumstances, employees will agree to sign up in time.