城市民众意识是各种意识形态的集合体。虽然一定时期内城市民众意识集合体中势力最强的一方，决定城市“社会思维场”的大致方向，但在近代中国城市中非主流意识的发展往往使城市“社会思维场”方向发生逆转，促使中国城市走向近代化。郭嵩焘出使归来之后在长沙进行的洋务宣传活动便是明证，它给长沙这座“铁门之城”注入了新血液，在一定程度上为甲午战争后长沙跃升为南中国维新运动的中心奠定了基础 Urban public awareness is a collection of various ideologies. Although the most powerful party in urban public awareness assembly determines the general orientation of urban “social thinking field” in a certain period of time, the development of non-mainstream social awareness in modern Chinese cities tends to reverse the direction of urban “social thinking field” Promote Chinese cities to modernization. It is evident from the foreign affairs promotion activities carried out in Changsha after the return of Guo Songtao. It brought a new blood to Changsha, the city of iron gates, and to some extent laid the foundation for the rise of Changsha to the center of the South China Reform Movement after the Sino-Japanese War. The foundation