2021 was a turning point in macro policy. The epidemic added up to changes of the international situation，while the arrive of information technology revolution and intelligent era were accelerating. The emotional infection of online public opinion and video dimension were complicated combined. Regional，corporate and digital topics increased；online buzzwords became new symbols of the public opinion narrative. The frequent extreme weathers challenged the resilience of urban security management. The phenomenon of the “out of focus” and “heat recession” of public opinion provoked reflection. Long-term social problems tested grassroots governance capacity. The competition in international public opinion and ideology further exacerbated. The digital development and governance entered a new stage.