Legal analysis: the contract signature is wrongly written and altered, but it is valid according to the fingerprint. Contracts established according to law are protected by law; If the parties enter into a contract in the form of a contract, the contract shall be established when the parties sign, seal or press their fingerprints.

Legal basis: Civil Code of People's Republic of China (PRC).

Article 465 A lawfully formed contract shall be protected by law. A legally established contract is legally binding only on the parties, except as otherwise provided by law.

Article 490 Where the parties conclude a contract in the form of a contract, the contract is formed when the parties sign, seal or fingerprint it. Before signing, sealing or fingerprinting, one party has fulfilled its main obligations, and the contract is established when the other party accepts it. A contract shall be concluded in written form as stipulated by laws, administrative regulations or agreed by the parties. If the parties do not do this in writing, but one party has fulfilled its main obligations and the other party accepts it, the contract is established.