简介:Emperor Chongzhen understood that Zuo Maodi returned from his salt investigation. Although he failed to clarify the salt policy of the Huaihe River, he must have had a certain understanding of the shortcomings of the salt policy of the Huaihe River. In addition, Zuo Maodi was an upright and honest official, and he was a river worker. It's actually quite appropriate to transport salt between the two.