Legal analysis: The contract is wrongly signed. Both parties can negotiate to change the contract amount and re-sign the contract. It is suggested that when signing a contract, both parties must fill in the form carefully. If any mistakes are found, they should immediately notify the other party, and the two parties will negotiate to change the wrong information in the contract and sign the contract again. According to the relevant laws and regulations, the parties can modify the contract through consultation. A contract is an agreement between civil subjects to establish, change and terminate a civil legal relationship.

legal basis: article 543 of the civil code of the people's Republic of China, the parties can modify the contract through consultation.