The Russians left pursuant to the 1881 Treaty of Saint Petersburg (1881), and in 1882 the military-administrative center moved to Suiding (now known as Shuiding), some  north of the river, while a new Huiyuan fortress and the adjunct military-administrative town were rebuilt near the center of modern Huiyuan about  north of the river.
Following the 1881 Treaty of Saint Petersburg, the Russians departed. In 1882, the military center was relocated to Suiding, which is now called Shuiding and lies north of the river. A new fortress and nearby town were built in Huiyuan, also near the river.