China in ancient times is divided into Kyushu and Yangzhou. It is only universal with Wei, so the ancients love to call Yangzhou Weiyang, and Huainan is also one of the nicknames of Yangzhou. Therefore, the dishes under the "Yangzhou Kitchen Knife" have two nicknames: Huaiyang Cuisine or Weiyang Cuisine. So it didn't change its name. The two you mentioned are different concepts. Huaiyang cuisine is the general name of Huai 'an, Yangzhou and Zhenjiang. Huai is represented by Huai cuisine, and Yangzhou cuisine is represented by Huaiyang cuisine.