Wechat is personal privacy, and it is illegal to view it without authorization. The review of WeChat transfer records requires my consent or the personnel of relevant departments have the right to investigate. If the relevant agreement is signed, the company can conduct an investigation. Personal privacy belongs to individuals, and it is illegal to view it without consent. Audit refers to an independent economic supervision activity in which specialized agencies conduct pre-and post-inspection on major projects and financial revenues and expenditures of governments, financial institutions, enterprises and institutions at all levels according to law.