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.
The Russians departed in accordance with the 1881 Treaty of Saint Petersburg (1881), and in 1882, the military-administrative hub relocated to Suiding (now known as Shuiding), situated somewhat north of the river, while a new Huiyuan fortress and adjacent military-administrative town were constructed near the center of modern Huiyuan about north of the river.