According to Apple's closed-source style, Apple needs certificate trust to install non-appstore software, and software developers need to gain Apple's trust and buy certificates from Apple before the software can be downloaded by others. In the case of the subject, the certificate of the software developer has expired, so you only need to wait for the developer to recover the certificate, or you can use the signing software to sign the installation package and then install it.
Delete the old application and download it again. If it meets Apple's requirements, a trust certificate will pop up before downloading or installing. At this time, you can find the equipment management in GM, and click in to see the new certificate of the application.
Zhou Jing's hard-to-find clues. Sun Meiqi's Mysterious Zhou Jing is a puzzle game, which contains