Which poem is "A Pond of Osmanthus Soaking in the Moon"?

The door is silent and locked, and the ink is dripping.

Sing till dawn and soak crape myrtle for a month.

Tang Zhiyu Zuo is a seven-character quatrain written by Hong, a poet in the Southern Song Dynasty. This poem was written in the Imperial Academy, expressing the emperor's relaxed and proud feeling of worshipping the imperial edict. The first sentence is about the silence of the internal environment in the locked harem; The poet is drafting the letters of appointment of two prime ministers. The last two sentences are about the situation of the fifth watch, and the third sentence has heard the sound of dawn; The last sentence writes that the moonlight shines on the steps and also on the crape myrtle, using Wei Zi's allusions in secret.