Precisely because of this.
If the enemy were to intercept the army's grain and provisions at a time like this, with the bitter cold and nothing to eat, those soldiers would inevitably turn their eyes toward the common people within the city. If there were pre-arranged inside agents planted among them, it would undoubtedly be effortless to stir up conflict and create an opening for the enemy to exploit.
No...
There is still a problem!
Chapter 213