《明史·志·卷五十八》
隆庆六年，后军都督府采办交纳艰苦，改归兵部武库司办理。
隆庆六年，后府采纳艰苦，改属兵部武库司。
In the sixth year of the Longqing era, the Rear Guard Dudufu found it difficult to collect and purchase, so it was changed to the Ordnance Department of the Ministry of War.
<s>[INST] Translate the following Classical Chinese text into modern Chinese: 隆庆六年，后府采纳艰苦，改属兵部武库司。 [/INST] 隆庆六年，后军都督府采办交纳艰苦，改归兵部武库司办理。</s>
Translate the following Classical Chinese text into modern Chinese: 隆庆六年，后府采纳艰苦，改属兵部武库司。
user
隆庆六年，后军都督府采办交纳艰苦，改归兵部武库司办理。
assistant