"It's just a kind of black stone, which can be burned, but many of them will be dusty when burned." Du Shaoqing explained.

"But charcoal? I've seen it in books, and it seems that the palace doesn't use that thing." Li Chengqian explained.

This is a veteran who said: "We know the charcoal that the eldest son said, and the worthless things are produced in the West Mountain Col. We used some when we couldn't do it before, but those things are easy to be poisoned by charcoal for heating, so After that, no one dared to use it.”

Du Shaoqing's eyes lit up, and he exclaimed: "If you are afraid of being poisoned, you can burn the kang, this is easy to solve."

Everyone was puzzled, only Li Chengqian understood, and asked in surprise: "Can you solve the problem of charcoal poisoning?"

Du Shaoqing smiled mysteriously: "Stay here with me to help for two days, and I will give you a credit for my contribution."

Li Chengqian couldn't wish for it. He came to ask Du Shaoqing for advice and help. Although he didn't agree, but now he took the initiative to give him the credit. Isn't this still helping him?

Then Du Shaoqing sent people to find two carts of charcoal, that is, coal, in the mountain depression. This thing should be a small open-pit coal mine in the mountain, and it was luck to find it near Duling.

At the home of the veteran with a broken arm, everyone started to build a kang according to Du Shaoqing's command. Although everyone was surprised, it is not uncommon to build a bed with soil, but why leave an aisle in the middle?Aren't you afraid of snakes, rats, insects and ants?

When the kang is covered with a thick wooden bed, the kitchen next to it uses coal to boil water, hot smoke passes through the corridor, and the room with the kang is as warm as spring, everyone understands that the eldest son is simply too powerful Well, doesn't this perfectly solve the problem of charcoal poisoning in heating?

"This is the way. Every family can connect the heated kang in the bedroom for heating. Instead of buying expensive charcoal, they can use the worthless charcoal in the mountains. I will pay for the cost of making the heated kang. Everyone will have a warm year this winter." Du Shaoqing said with a smile.

Everyone said gratefully: "Eldest Young Master has done so much for us, how can you still ask you to pay for us to make a kang? They are all simple things, and we can make them by ourselves."

Li Chengqian looked at all this and said goodbye excitedly, turned around and left, Du Shaoqing followed up and asked: "How did you think of doing meritorious deeds?"

"Well, I want my father to make a decree to spread this kang method throughout the Tang Dynasty, so that the common people don't have to worry about being frozen to death in winter." Li Chengqian said excitedly.

Du Shaoqing nodded, and jokingly said: "I thought you would go back to the emperor and the empress as soon as possible to ask for credit. I'm afraid that not only will you not get the credit, but you will be scolded by His Majesty instead."

Li Chengqian complained: "Am I that bad? Anyway, he is also a prince, and he has important national affairs in his heart."

"Hehe, if it was the former prince, wouldn't that be the way he did it? He was also scolded like that.

Now you are truly like a prince, congratulations!Graduated from the kindergarten attached to Yunlai Inn. "Du Shaoqing patted Li Chengqian on the shoulder to encourage him.

The prince looked at Du Shaoqing gratefully, and nodded heavily. He already understood what Du Shaoqing wanted to teach.Of course, he seems to have ignored the kindergarten meme.

"Hehe, your suggestion is also good. After reporting the state affairs, I will arrange for the emperor and the queen to go to the kang." The prince smiled and got into the carriage and left quickly.

When Du Shaoqing turned around and went back to the veteran's house, his daughter Xiao Xuanxuan had just come back from playing with her friends. After two days in the village, Xiao Xuanxuan seemed to have returned to Luoxia Town, becoming a little girl who likes to run wild all day long. Girl, when I entered the house again this time, I found that everyone stopped warming the fire, and the house was already very warm. My mother, Princess Changle, said that this was a newly made kang.

Xiao Xuanxuan pouted and complained: "Father is so bad, I stay warm in the house with my mother, let me go outside to play and sweat to keep warm, hum, I want to tell grandma, let her vent my anger, next time I will stay In the house, let Daddy go outside to play."

Du Shaoqing, who had just entered the door, slipped his feet when he heard his daughter's words, it's over, and being thought of by his vengeful daughter, he would inevitably have his ears twisted by his mother.

Chapter 2 What else can I do if I am not an official?

In the village, Du Shaoqing helped the veterans solve the problem of heating on the kang, and he took his wife and children to say goodbye and went home. After two days of rural life, the family of three seemed to have returned to the ordinary days of Luoxia Town, and the princess was the most emotional , I used to think that my whole life would be spent in Luoxia Town as husband and son, but I didn't expect that by luck, everyone came to Chang'an.

Thinking of the promise she made to her father before, Princess Changle praised: "Husband, I didn't expect you to even know the people's livelihood. Why don't I tell my father that I will let you work in the Ministry of Civil Affairs and become a minister of the Ministry of Civil Affairs in the future?" Or if it is a chancellor, it can be regarded as the inheritance of the father's career, the Du family has two prime ministers, and it is a good story to spread."

Du Shaoqing just waved his hand to say a few words of modesty, and suddenly became alert, "Ma'am, you praised me so high, why do I smell a dangerous breath?"

Xiao Xuanxuan in her arms heard her father's words, and hurriedly smelled something around her, and then wondered: "Is there no smell? I can't smell anything, Daddy, did you smell it wrong? The dangerous smell is What does it taste like?"

With a puff, the princess covered her face with a smile and bent over. Du Shaoqing rubbed her daughter's little head and explained: "Dangerous breath is not smelled with the nose, but a feeling. After nodding, he will ask you to help with the work.

Just like your mother just now, she must want what daddy will do next. "

After listening carefully, the little girl nodded and said suddenly: "I see, just like that time when the bearded uncle tried to trick me into stealing our wine, hehe, but I was not fooled, he is not a good person, I will not tell him."

Du Shaoqing couldn't help laughing, this daughter is really smart, she knows everything, it turns out that Cheng Chumo tried to cheat my family's wine.

Then the little girl whispered in her father's ear, which made Du Shaoqing burst out laughing. The princess looked at the father and daughter who looked like a little secret, and felt a little bit in her heart. When she didn't leave before, her daughter was the closest to her. Kiss, it's good now, it's only been a long time since we separated, and the daughter left with her father.

"If your mother knows that you are teaching me how to lie to her, do you think she will spank your little ass again?" Du Shaoqing said to his daughter with a smile.

"Ah! Daddy, how can you say that? I told you not to be discovered by mother." Xiao Xuanxuan beat Du Shaoqing's chest angrily.

After playing with his daughter for a while, Du Shaoqing said to his wife: "Do you think I look like an official? Is it because my father-in-law was embarrassed to come to me by himself, so he asked you to persuade me to become an official?"

The princess seemed to have been seen through, and said with a blushing face: "What is the husband talking about? The queen mother said that your talents are world-class, and it is not an exaggeration to be a prime minister. Wouldn't it be a waste of talent to be idle at home? What else can you do if you are not an official?

Moreover, father is devoting himself to state affairs every day, and there is no time for leisure. As a daughter, I see it in my eyes and feel pain in my heart. If my husband is willing to come forward to help share his worries, that would be the best, even if I am begging you. "

Du Shaoqing held his wife's hand and explained: "You and I are one, why should you ask me? But I really don't know how to be an official, and I have confessed to my father-in-law. If Datang needs anything, I will naturally not ignore it, just Isn’t it good like the development of the heated kang this time? I don’t want to enter the court to fight for fame and fortune, and I don’t want to get promoted and get rich, so don’t persuade me anymore.

I just want to discuss with you to see if we can pick up our old business in Chang'an, open our family's Yunlai Inn, and it will not be a problem to be the number one restaurant in Chang'an with the cooking skills of me and Duhu . "

Hearing her husband's refusal, the princess could only sigh and let it go, she was not that kind of snobbish person, she really cared about her father's body.

But she didn't expect her husband to propose to open a restaurant, so she repeatedly objected: "No, husband, this is Chang'an, not like Luoxia Town. You are also the Earl of Datang now. You must never set foot in the merchant business again. You will be despised."

Du Shaoqing said disapprovingly: "What are you afraid of? Go our way and let others talk about it! I am here to earn money to support my family, so what will our family eat if we don't open a restaurant?"

"It's not wrong for your husband to be open-minded. You don't care about other people's opinions, but there is no need to cause trouble for it. If our daughter is named as a merchant's daughter, her reputation will not be good in the future.

Since your husband doesn't want to be an official, the concubine doesn't need to mention her identity, and you are still serving as the deputy head of the Imperial Hospital. If you want to support your family, even opening a medical clinic is better than opening a restaurant. "The princess persuaded earnestly.

Now it's Du Shaoqing's turn to frown, open a medical clinic?This is really old-fashioned. I was cheated to death in the previous life, but I made up my mind not to do it in this life, but I didn't expect that the situation in Datang was not up to anyone, and whoever did it or not would still get the name of a miracle doctor.

Do you want to go back to your old business?Du Shaoqing struggled back and forth in his heart, looking at his wife's worried eyes and the cute daughter who was playing with him back and forth in his arms, Du Shaoqing gritted his teeth and nodded, "Okay, then open a medical clinic."

Seeing his wife's loosened brows, Du Shaoqing couldn't help but joked: "I opened a medical clinic as a sitting doctor, and you are the proprietress, responsible for collecting money and settling accounts. Will you wrong you, a princess?"

The princess took her husband's hand and shook her head, as if lost in memory, she leaned her head on Du Shaoqing's shoulder, and said softly: "As long as I am with my husband, I will never feel wronged.

If you open an inn, I will be the proprietress of the inn, and if you open a medical clinic, I will be the proprietress of the medical clinic. Although I don’t know why my husband is a little against practicing medicine, if it’s not for our children, I will support it even if I open an inn. I don’t want to force my husband to be you. dislike industry. "

Du Shaoqing was moved by his wife's gentleness, he put his arm around his wife and his daughter, feeling so good to have a family, maybe he was still secretly cursing himself for being too ambitious?Is this the only pursuit after a trip?

In the Palace of Political Affairs, Li Er listened to his son Li Chengqian's detailed description, and the smile on his face became more and more intense. After Li Chengqian finished his suggestion on promoting the method of heating kang, Li Er couldn't help but patted his son on the shoulder with a smile , "That's right, I'm very relieved to be a father. You have finally grown up and know how to do things for the sake of the people instead of using this thing for personal gain. It's very good."

Li Chengqian felt the admiration in his father's eyes, and he was greatly moved. This is the first time his father has praised me since he became the crown prince, right?It turned out that it wasn't that my father didn't like me, but that I had really done something wrong before.

Thinking of the absurdity of the crown prince's life in the past ten years, Li Chengqian's eyes were choked with tears and he said: "The child was young and ignorant before, causing countless troubles, and made the father and mother bother. Now I know the painstaking efforts of the father and mother."

Li Er laughed loudly: "Okay, okay, knowing the mistakes can make a big difference! I will entrust you to supervise the promotion of the kang, and the Ministry of Households and the Ministry of Civil Affairs will fully cooperate with you. I believe you will be able to do a good job in this matter."

Chapter 2 Li Er Looks at His Son-in-Law

Seeing the elder son calmly go out to the Six Departments Yamen, Li Er was in a good mood, and he stopped reviewing the memorials. He simply left Zhu Pian's imperial pen and walked all the way to the Queen's residence, Lizheng Hall. As a father, there is nothing wrong There is nothing more proud of than watching his son succeed, so he came to share the joy with his first wife immediately.

After listening quietly, the queen couldn't stop nodding. The worry about the eldest son in her heart was finally put down. All this was due to Du Shaoqing, so the queen asked: "Your Majesty, Chengqian is able to cultivate his morals, thanks to Du Shaoqing." With Shaoqing's help, I heard from Wu'er that the residual poison in Shaoqing's body has been eliminated, do you think we can arrange a seat for him as soon as possible, so that he can enter the court early, and I can help you?"

The queen is typically helping her son-in-law to get an official. It can be seen that Du Shaoqing's position in the queen's heart, the emperor Li Er sighed in his heart, but he didn't dare to tell the truth to the queen.

At the beginning, the emperor sent the masters in the palace to investigate the underworld. In fact, they did not return without success. Even if there was no direct evidence, how could Baiqisi and the masters in the palace not find out the news that Zhang Chuchen could know?

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