This is also Chen Jie's favor to Su Yunjin. To be in charge of education is to be in charge of the future. When these students hold great power in the future, they will all be staunch supporters of the Empress and the Crown Prince Chen Li.
In this way, Su Yunjin's status will be unshakable, and it is the best protection Chen Jie can offer to this humble wife.
"The suggestion is good, but currently our army uses the cipher of pinyin, so I fear that if the study of pinyin spreads too widely, our army's codes will be easily deciphered by the enemy in the future."
Chen Jie laughed at these words and said, "That's simple, we can still use cipher methods."
"What are cipher methods?"
Su Yunjin was puzzled and asked. Chen Jie explained, "It's about finding a book, agreeing on a few words, and the word represents which page, which line, which word..."
Chen Jie explained some other encryption methods to Su Yunjin.
