《太平广记·卷四百七十八·昆虫六》
到了中军帐，有交错的彩绸旗、信号旗簇拥着一位头戴红巾，身穿紫衣的人，侍从有好几千，他们都走到了桌子的右面。
至中军，有错彩信旗，拥赤帻紫衣者，侍从数千，至案之右。
When they reached the central command tent, there were colorful silk flags and signal flags fluttering around a man wearing a red turban and a purple shirt. There were several thousand attendants, and they all walked to the right side of the table.