明洪武三十年(1397)春闱会试,主考官为翰林学士刘三吾、白信韬。发榜所录进士宋琮等52人,竟全是南方人。接着殿试状元陈安也是南方人。北方举子一片哗然,强烈不满,纷纷指责刘三吾、白信韬因是南方人,故而偏袒南方压抑北方。北方举子由群起议论到聚众闹事,撕去贡院张挂的录取黄榜。同时,责问主考官袒南抑北的“大字报”贴满南京城。礼部官员急忙调兵弹压,仍然无济于事。消息终于传进皇宫,惊动 Ming Hongwu thirty years (1397) Spring 闱 will try, examiner for the Hanlin bachelor Liu Sanwu, Baoxintao. Ascended the throne recorded Song Ji 52 people, actually all southerners. Chen then champion is also a southerner. In the midst of an uproar and a strong dissatisfaction in the north, Liu Sanwu accused Liu Baiguo one after another of being a southerner in suppressing the North in favor of the South. In the north, the group argued from the masses to make troubles in the crowd and ripped off the yellow list from the hanging tributes of the tribunals. In the meantime, the examiner in charge of examining the north Officials of the Rite Department quickly hurled troops to suppress the pressure, still no use in the matter. The news finally passed into the palace, alarmed