《周书·本纪·卷五》
六月庚子曰，改设宿卫官员。
六月庚子，改置宿卫官员。
On Geng Zi day in the sixth month, the organization of the government was reformed.
<s>[INST] Translate the following Classical Chinese text into modern Chinese: 六月庚子，改置宿卫官员。 [/INST] 六月庚子曰，改设宿卫官员。</s>
Translate the following Classical Chinese text into modern Chinese: 六月庚子，改置宿卫官员。
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六月庚子曰，改设宿卫官员。
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