Whether the agreement is valid or not should be decided by the act of erasing the name. It depends on whether the change of the contract has been negotiated by both parties and whether it is an important change. If the two parties negotiate, and it is not a change to the main content, and the change is stamped with a proofreading seal or handprint, it can have legal effect.

According to the law, to be legally effective, a contract shall meet the following conditions:

1. The parties to a contract have corresponding capacity for civil rights and capacity for civil conduct;

2. The intention of the parties to the contract is true;

3. The contract does not violate the law or public interests;

4. Have the formal requirements for the entry into force of the contract as stipulated by laws and administrative regulations.

Legal basis:

Article 490 of the Civil Code If the parties conclude a contract in the form of a contract, the contract is established when the parties sign, seal or press their fingerprints. 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.