At that time, Han Yu was demoted to Chaozhou to do stabbing history. Although there were only 8 months, he was not afraid of labor. "The Chaoren people are stunned. " After 8 months, Han Yu was transferred from Chaozhou. There was almost no "achievement" at all, but he left a huge spiritual wealth to Chaozhou. By the Southern Song Dynasty, Chaozhou was already a cultural city. "Beach Zou Lu" reputation. The text is intended to explain:. ['Language standardization is a long-term effort.', 'Why Chaozhou became a historical and cultural city.', 'Cultural construction has a profound impact on cities.', 'Evaluation officials should not only look at short-term performance.']