《元史·本纪·卷五》
中书省的大臣以这样做会影响煮盐为理由，便命令统军司完全恢复对边境的戍守，不让居民和灶户迁往内地。
中书省臣以妨煮盐为言，遂令统军司完复边戍，居民灶户毋徙。
The ministers of the Zhongshu Department of Central Secretariat ordered the Military Command Headquarters to fully resume defending the frontier and prevent residents and salt producers from migrating to the hinterland, as doing so would affect salt production.