《宋书·本纪·卷六》
同月，设置卫尉官。
是月，置卫尉官。
In the same month, the post of Weiwei was established.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 是月，置卫尉官。 [/INST] In the same month, the post of Weiwei was established.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 是月，置卫尉官。
user
In the same month, the post of Weiwei was established.
assistant