What kind of copy of the health code?

Health code offline, mixed feelings, half freedom, half risk. It brings you inconvenience and security. Travel itinerary goes offline, recording your footprints, and recording your every day. There is endless pain and unforgettable sweetness. Because your green has become the warmest and most auspicious, your appearance in the journey of life, although only three years, will leave mixed memories as a product of a special period.