Lu Kai dedicated the picture of Pingman to Zhuge Liang.
According to the thirty-fourth chapter of "The Romance of the Three Kingdoms" by Luo Guanzhong of the Ming Dynasty, before the rebellion in the south of the Shu Han Dynasty, Lu Kai anticipated that there would be a rebellion here and drew a topographic map of the area in advance. Later, Zhuge Liang attacked the Meng in the south. When he got it, Lu Kai presented the map to Zhuge Liang. The map includes present-day Guizhou, Yunnan and other places. However, there is no relevant record about this map in "Romance of the Three Kingdoms", and it is speculated that it should be a fictional plot of "The Romance of the Three Kingdoms".
Zhuge Liang led his army to march south and arrived in Yongchang first. He praised the loyalty and courage of Yongchang's officials and people. When Lu Kai met Zhuge Liang, he presented his "Pingman in Charge" which he had prepared for many years. "Picture", in which the places where troops can be stationed in Nanzhong are marked one by one, which became Zhuge Liang's compass for later capturing Meng Huo seven times and pacifying Nanzhong.
Zhuge Liang's character profile:
Zhuge Liang (181~234), courtesy name Kongming, nicknamed Wolong (also known as Fulong), Han nationality, was born in Yangdu, Langya, Xuzhou (now Yinan, Linyi City, Shandong Province) County) native, the prime minister of the Shu Han Dynasty during the Three Kingdoms period, an outstanding politician, strategist, essayist, and calligrapher. He was named Wuxiang Hou when he was alive, and Zhongwu Hou after his death. The Eastern Jin Dynasty regime named him King Wuxing. In order to support the Shu Han regime, Zhuge Liang worked hard and dedicated his life until his death.
His representative works of prose include "The Master's Guide" and "The Book of Commandments". He invented the wooden cow and flowing horse, the Kongming lantern, etc., and modified the repeating crossbow, called the Zhuge repeating crossbow, which can fire ten arrows with one crossbow. He died in Wuzhangyuan (now Qishan, Baoji) in 234. Zhuge Liang was greatly respected in later generations and became a model of loyal ministers and the embodiment of wisdom. There are Wuhou Temples in Chengdu, Baoji, Hanzhong, Nanyang and other places, and Du Fu wrote "Prime Minister of Shu" to praise Zhuge Liang.