When did Xiushui come to be called Xiushui? Please, thank you.

The historical evolution of Xiushui was granted to Aihou Kingdom in the Shang Dynasty, and its capital was Siqian Longgangping, 47 kilometers west of the present county. In the Spring and Autumn Period, it was Aiyi, which was under the jurisdiction of Wu, Yue and Chu successively. The Qin Dynasty belonged to Jiujiang County. In the Han Dynasty, Ai, Xiping and Xi'an counties were all subordinate to Yuzhang County. In the Western Jin Dynasty, Xi'an was renamed Yuzhang County. Ai, Xiping and Yuzhang counties in the Eastern Jin Dynasty are under the jurisdiction of Jiangzhou. In the Southern Dynasties, Xi'an County was established as Yuning County, and Ai and Xiping counties were under its jurisdiction. In the Sui Dynasty, Yuning County and Ai, Yuzhang, and Xiping Counties were abolished, and the area was merged into Jianchang County. It was established in Aicheng, today's Yongxiu County, under the jurisdiction of the General Office of Hongdu. Later, Yuzhang County was established at the old site of Xi'an, which belongs to Yuzhang. county. Xiping County was reestablished in the Tang Dynasty, and was later changed to Wuning County, Yuning County, Fenning County and Xiping County respectively. In the Song Dynasty, Fenning County was established, which was under the jurisdiction of Longxing General Administration Office. In the Yuan Dynasty, Ningzhou and Wuning County were changed. In the Ming Dynasty, it was changed to Ning County and Ningzhou, but it still belongs to Nanchang Prefecture. In the early Qing Dynasty, it was called Ningzhou and later changed to Yiningzhou. In the Republic of China, it was changed to Yining County and later to Xiushui County. It was liberated on June 16, 1949, and the Xiushui County People's Government was established in July. On September 11, Xiushui County was placed under the jurisdiction of the Yuanzhou Division and the Jiujiang Division. In 1968, the Jiujiang Prefecture was renamed the Jiujiang Region, and Xiushui came under it. In July 1983, the Jiujiang Regional Administrative Office was abolished and a city-governed county system was implemented. Xiushui County was under the jurisdiction of Jiujiang City.