一公元317年,晋宗室司马睿在南方建立东晋政权后,虽然得到了王导等政治家的支持,使他在江南的统治得以维持,但由于不断受到来自北方少数民族政权的侵扰和威胁,东晋政权的统治因此显得十分虚弱,一有风吹草动,便风声鹤唳、草木皆兵。晋成帝咸康元年(335年),后赵王石虎率领军队南游至长江边上,便给了东晋王朝一场不小的虚惊。造成这场虚惊的直接原因,是东晋的历阳太 In 317 AD, after the establishment of the Eastern Jin Regime in the South by the Zong Zongli of the Jin Dynasty, despite the support of politicians such as Wang Dao and his support for the rule in the south of the Yangtze River, Sima Rui was constantly invaded and threatened by regimes in the north, The rule of the Eastern Jin Dynasty therefore seemed very weak. Jin Cheng Di Xiankang the first year (335 years), after Zhao Shih Hu led the army south to the edge of the Yangtze River, gave the Eastern Jin dynasty a big false alarm. The direct cause of this false alarm is the calendar of the Eastern Jin Dynasty too