《南史·列传·卷十四》
刘劭以此询问侍中王僧绰，王僧绰说： 晋惠帝即位便改年号。 
劭以问侍中王僧绰，僧绰曰： 晋惠帝即位便改年。 
Liu Shao asked Wang Sengzao, the Army Lieutenant General, who said: When Emperor Hui of Jin ascended to the throne, he immediately changed the reign title.