Before revision:  In this paper, confirmed cases of healthcare workers were used to analyze the impact of under-reporting on the spatiotemporal distribution of COVID-19  . The results show that: (1) the  estimated peak infection time of the reported cases lags behind the actual peak infection time . The infection peak time of the epidemic in Wuhan was January 29, not February 11 estimated by reported cases, and the infection peak time of the epidemic in Hubei (except Wuhan) was February 2, not February 4 estimated by reported cases.
After revision:  In this paper, confirmed cases of healthcare workers were used to analyze the impact of under-reporting on the spatiotemporal distribution of COVID-19 . The results show that: (1) the estimated peak infection time of the reported cases lags behind the actual peak infection time of the healthcare worker cases, and the infection peak time of the epidemic in Hubei (except Wuhan) was February 2, not February 4 estimated by reported cases.