At this time, Cai Zhongxin turned his head to look at the door, discovered that there was no one else outside, so he closed the door, at the same time took the pistol from Wan Chunping's head, pointed to a chair in the room and said: "Okay, sit down." Come on, what do you want to report to me?" ,And this may require a cryptography expert. Lu Ziqiang thought about this and said to Xie Xiaoliu: "Okay, you bring another copy of these poems and send them to Yan'an center, so that the superiors can find a way to organize the expert. Decode these poems."