乾隆四十八年即公元1783年,发生了一起有名的文字狱疯话案,即“冯起炎注解易诗二经欲行投呈案”。鲁迅《且介亭杂文.隔膜》一文谈及此案云:“冯起炎是山西临汾县的生员,闻乾隆将谒泰陵,便身怀著作,在路上徘徊,意图呈进,不料先以‘形迹可疑’被捕了。那著作,是以《易》解《诗》, Forty-eight years of Qianlong is AD 1783, a famous literary jail madness occurred, that is, Lu Xun “and Jieting essay. Diaphragm” article on the case goes: “Feng Qianyan is Linfen County, Shanxi Province, Wen Qianlong will be Ye Tailing, then with his work, wandering on the road, the intention was progressing, only to be the first to ’ Suspicious. ”The book is based on“ easy ”solution“ poetry ”