C443 What a Brilliant Method

Huai County, barracks.

Inside Zhang Xiu's tent, there was a burning charcoal and hot air. The hot steam was rising and dispelling the chill in the tent, making the tent as warm as spring. Although it was already December, it was much more comfortable to have coal to warm up.

Although the weather was cold, it did not affect Zhang Xiu's handling of government affairs.

During this period of time