In the spring of the fourth year of Lu Chenggong (BC587), Song Huayuan was ordered by the new monarch Song Gonggong to envoy to Lu State. Uncle Qi's wife is Lu Chenggong's aunt. Uncle Qi came this time to divorce his wife, and he complained to Lu Chenggong about his uncle's infidelity and rudeness, crying blood one by one. Lu people secretly exclaimed: It is a miracle that Qi Bo has suffered so many misfortunes and can still live intact to this day.

Lu Chenggong realized that he could not let the situation continue to deteriorate, so he agreed to Qi Bo's request.

In the summer, Lu Chenggong went to the Jin Dynasty to meet Jin Jinggong. When Lu Chenggong's guard of honor arrived at the outskirts of Xinjiang, it was only a low-status secretary who came to greet him. The people of Lu were very unhappy, and when the jade ceremony was carried out, Jin Jinggong showed a casual look, and the ceremonial official Xun Ke also seemed casual, and even the ritual procedures were reversed.

After returning to his residence, Ji Wenzi said: "I am afraid that the Marquis of Jin will not be exempt from disaster, and the poem says: 'Respect for it! Tianwei Xian thinks, life is not easy. 'The fate of the Marquis of Jin lies in the princes, how can he be disrespectful to the princes? ”

In short, the contempt and rudeness of the Jin people and the depression and anger of the Lu people ran through the whole visit, so that Lu Chenggong did not even look back at Jiangdu when he embarked on the trip. After Lu Chenggong returned to China, he gathered his close ministers together and told them that he planned to abandon the Jin state and turn to the Chu state instead.

Ji Wenzi said: "No, although the Jin Kingdom has no way, my country has not yet reached the time of betrayal. Jin, the country is strong, the monarch and the minister are harmonious, and close to Lu; Princes obey orders, and they must not have two hearts. As for the state of Chu, the old saying goes: 'If you are not of my race, your heart will be different.' 'Although the Chu State is big, it is not my own clan, how can you treat the Lu State sincerely? ”

Last year, Zheng Gongzi had plundered a piece of land in the Xu Kingdom, and before the Zheng people could demarcate the boundaries of the newly occupied land, Zheng Xianggong died (in March of this year), and the matter was put on hold for the time being.

After Zheng Miangong ascended the throne, he sent Gongsun Shen to demarcate the border in the winter of this year. After the Zheng people arrived at their destination, Gongsun Shen focused on the work at hand and was unguarded; Xu Guoren waited for an opportunity to retaliate and attacked Zheng Ren's team, achieving a victory that was neither big nor small, and not painful.

Zheng mourned the anger of the public and immediately raised troops to attack Xu. As a result, Xu Ren's joy had not passed, and he immediately lost two more pieces of land. Considering the status of his country and Zheng in the hearts of the Chu people, Xu Ren dispelled the idea of asking the Chu people to mediate, and had no choice but to ask the Jin State for help.

Jin Jinggong was overjoyed, and immediately ordered the new Chinese army generals Luan Shu and Zhishou to lead the Chinese army (at this time, Xun Ke had stepped down, and his son Xun Qi made up for the army), and Shi Xiezuo went to the army to attack Zheng. The Jin army marched all the way and captured the two cities of Panhe. Zheng Ren was unwilling to be beaten, and turned around to attract Zianti. The Jin and Chu armies were reluctant to start a war with each other, and after a confrontation, they withdrew their respective troops.

Xu Linggong saw that Zi was against the commander and saved Zheng, and he was afraid that Xu Guo would be investigated for the crime of "Tongjin", so he took the initiative to go to the army to accuse Zheng Guoren. As soon as Xu Linggong sat down in front of the son, Zheng Miangong came one after another with the emperor; The two gentlemen were very red when they met, and they glared at each other on the spot, raised their middle fingers, and slapped the table and scolded each other.

Xu Linggong accused Zheng of breaking the covenant and attacking allies, and demanded that the Chu people hold Zheng people accountable for their crimes.

Zheng Guoren claimed that it was precisely Xu Guoren who provoked the incident, because the owner of the land (a Xu Guo doctor) fled to Zheng Guo with his fief to seek refuge, but Xu Guoren occupied the exile's fief by force, and Zheng Guo had no choice but to take it back; And Xu Ren not only did not ask for help from the Chu State, but instead recruited the Jin people, and Xu Guo should be punished.

The two sides were noisy and quarrelsome, arguing from noon until the sun went down. Zi Ying's head exploded when he heard this, and his body shook back and forth unconsciously.

He was afraid of giving someone a handle and did not dare to make an assertion, so he said: "The affairs of the two countries should be decided by the widow, I have no wisdom and dare not make arbitrary decisions." ”

In the spring of the fifth year of Lu Chenggong (BC586), Xu Linggong sued Zheng Guoren to the king of Chu. The king of the Chu Communist Party summoned Zheng Mourning Gong to participate in the lawsuit. Zheng Miangong took Huang Xu and Gongzi Fa (Ziguo) to Chu to respond to the lawsuit. The two sides debated for a whole day, and the king of Chu asked them to go back to rest, and then held a discussion meeting overnight.

Zizhong advocated that Zheng Ren's betrayal should be punished, while Zi Zheng cautiously expressed his opinion in favor of Zheng Guo; The opinions in favor of Xu Guoren eventually prevailed, and the Chu people convicted Zheng Guoren.

The next day, the king of Chu announced the verdict to both sides, but he had not yet figured out how to hold Zheng Guoren responsible, so he ordered the emperor and his son to be sent to Chu and let Zheng Miangong return to Xinzheng to wait for news.

By this time, the Qimu Dafu, led by Gongzi Qiji, had become the backbone of Zheng's ruling class, and the most important characteristic of this group was its close unity and unity with the outside world, whether the enemies came from home or abroad.

The news of the detention of Gongzifa and Huangxu aroused their enthusiasm, and they declared that they would never accept the rude behavior of the Chu people, and if the Chu State did not release them immediately, they would sever diplomatic relations between the two countries.

Zheng Miangong is by no means a submissive person, he said: "From the Battle of Yi to the present, Zheng Guo has been carefully serving the Chu State: no tribute, no service, no service, no order; Now he is getting the status of a sinner. The widow doesn't talk about whether Xu Guo is justified or not, no matter how reasonable Xu Guo is, this result is unfair to Zheng Guo, humiliating and oppressing.

"If Zheng Guo does not resist, you and I will be no different from slaves, how can the country still be among the princes? But if you are an enemy of the Chu State, you must be prepared to abandon the two masters; This is something that no one wants to see. Whether or not to sacrifice two people to live in one country, please let the doctors make a decision. ”

Childe abandoned the disease and said: "Die for the country, die and be immortal." But there was no reason for Chu to kill the two, and the firmer Zheng Guo's attitude, the more valuable and safe they were. So please rest assured, generals. ”

Zheng Miangong immediately asked the Jin people for an alliance. When the Jin people couldn't see the direction of the situation clearly, they only cautiously welcomed Zheng Ren's behavior, and at the same time, they didn't want to irritate the sensitive little nerves of the Chu people too much.

In the autumn and August, Jin Jinggong sent Zhao Tong, a doctor, to sign an alliance with Zheng Mourning Gong, which only involved matters such as trade and the opening of passes, and did not have important content such as military mutual assistance.

Due to the low status of the representative of the Jin State and the fact that the covenant did not include the matters that the Zheng people needed most, Zheng Mourning Gong was not satisfied with this result, and Ziliang persuaded him: "If you are in the role of the Marquis of Jin, I am afraid that you do not want to be easily dragged into the water by other countries. ”

However, the Huimeng incident shocked and uneasy the king of Chu, but Zi Yan breathed a long sigh of relief. It turned out that the reason why Zi Yan submitted the dispute to the royal family for handling was because he had a premonition that Zheng Guo was going to lose the lawsuit; In this way, the responsibility for forcing Zheng Guo to the opposite side will be borne by Zizhong.

Zi was in a good mood, and then he took advantage of Zizhong's anger to get rid of Qu Wu's henchmen in the country.