In this case, Li has agreed to buy insurance for Liu on the return call of the insurance company, and he has never raised different opinions during the normal performance of the contract for three years. It shall be deemed that the insured has agreed and approved the insured amount. According to the provisions of Article 34 of the revised Insurance Law, although the insurance contract involved was not signed by the insured, the insured has indicated that the contract is valid, so the insurance company should pay 654.38 million yuan.