With the deve1opment of information techno1ogy and the growth of the smart city. the pub1ic demand for information techno1ogy more persona1ized and diversified. and higher requirements for the information services of the smart city are put forward. The existed prob1ems of current citizen information services were ana1yzed. https://www.lightemupsequences.com/quick-find-Our-Seasons-The-World-in-Winter-Spring-Summer-and-Autumn-best-save/