It may be because you have one of the following conditions: you may have traveled to a high-risk area in the last 14 days or passed through the track, ② you may have had a certain period of time of spatial and temporal intersection with a confirmed case, you may have traveled with the close or sub-closely connected *** with the same transportation.

If none of the above is true, it is possible that someone with a cell phone number in your name may have done so.