It is reported that Zhong Yi, a policeman of Hangzhou Public Security Bureau, received an urgent order in February 2020 and was asked to formulate the "Hangzhou Health Code". In the next 48 hours, the "health code" was realized from zero to existence, and it was launched on February 1 1. On the first day of launch, the application amount exceeded 6.5438+0.3 million. After 40 days, the "health code" went from Hangzhou to the whole country.
Zhong Yi said that there were no samples for reference at the beginning, and the development was completed under the condition of "one person and one yard". After 29 rounds of technical adjustment, 14 versions of rules and 63 functional applications were finally matured within 40 days, with an accuracy rate of 99.9%. This is his deepest memory.