Will it turn yellow automatically without a meeting?

The health code of the closed location will not change, because the health code will not change with your location, but with the address you entered when applying for the health code, so the health code will not change when the user closes the mobile phone location or goes to other places.

Mobile phone location refers to the technology or service that obtains the location information (latitude and longitude coordinates) of the mobile phone or the end user through a specific location technology, and marks the location of the located object on the electronic map. There are two kinds of positioning technologies, one is based on GPS, and the other is based on the positioning of base stations in mobile operating networks.