However, the signature on behalf of the customer is invalid, and the contract can be cancelled. However, when customers encounter this situation, don't say surrender, because surrender is voluntary. According to the provisions of China's Consumer Rights Insurance Law and Contract Law, such contracts are invalid, and signing on behalf of customers leads to invalid contract contents. You should ask the customer service center for a full refund. If the insurance company disagrees, it can appeal to the CIRC and report the violations of the company and its salesmen. Only when the company receives the intervention of a third party can it be more effective!