Shandong graduate employment information network, uploaded the labor contract, upgraded to the original, can it be changed again?

Shandong graduate employment information network, uploaded the labor contract, upgraded to the original, can be changed again. If it is necessary to change or terminate the contract, it is necessary to negotiate and communicate with the employer and handle it in the way agreed by both parties. If there are major problems or violations of laws and regulations in the contract, you can consult the relevant legal aid agencies for legal help and support.