Legal analysis: According to the electronic signature law, an electronic contract signed with a reliable electronic signature has the same legal effect as a paper contract signed or sealed by hand. Under normal circumstances, as long as the parties reach a consensus voluntarily and the signed agreement conforms to the provisions of laws and administrative regulations, it has legal effect. The signed agreement is under any of the following circumstances: one party concludes the contract by means of fraud or coercion, which harms the interests of the state; Malicious collusion, harming the interests of the state, the collective or the third party; Cover up illegal purposes in a legal form; Harm the public interest; Violation of mandatory provisions of laws and administrative regulations. Then the private signing agreement is invalid. Contract, also known as contract and agreement, is an agreement between equal parties to establish, change and terminate the relationship of civil rights and obligations. As a civil legal act, a contract is the product of the parties' agreement, and it is an agreement expressed by more than two parties. Once the contract is concluded, it has legal effect immediately, and there is a relationship of rights and obligations between the two parties; Or change or eliminate the original civil legal relationship. If one or both parties fail to perform their obligations under the contract, they will be liable for breach of contract according to the contract or the law.

Legal basis: Article 143 of the General Principles of the Civil Law of People's Republic of China (PRC) meets the following conditions: (1) The actor has corresponding capacity for civil conduct; (2) the meaning is true; (three) does not violate the mandatory provisions of laws and administrative regulations, and does not violate public order and good customs. Article 14 of the Electronic Signature Law of People's Republic of China (PRC), a reliable electronic signature has the same legal effect as a handwritten signature or seal. Note: The Civil Codes of People's Republic of China (PRC) and People's Republic of China (PRC) came into effect on 202 1 1.