Of course, the reason why the Fifth Qi treated the temple so harshly was not because of revenge, but because of this to eliminate the population of those unstable factors to the greatest extent. Letting the monasteries each choose the monks who returned to the laity is to let the superintendents weed out those outsiders who blended in.

Even if the prison supervisors intend to confront and can't come up with a list, if each temple cleans up half of the monks, it will also remove some of the unstable factors to the greatest extent.

Fifth Qi's netting tactic, a set of combination punches down, the specific suspects did not catch a few, but added more than 10,000 usable manpower to the coolie battalion. It was a real bonus.

However, the manhunt was not entirely fruitless, and the captive who had been captured alive awoke from his coma, apparently not as death-conscious as his companions, and confessed an important clue.

The focus of the clues is also clear, and almost all of the connections are inextricably linked to the Bobos temple in the city.

In connection with the crisis in Hexi, if the Fifth Qi could no longer understand the various possible connections between the Persian Temple and it, how could it have today's status?

This time, with a specific goal, the five Persian temples in Chang'an City were all surrounded by heavy troops without exception, and all the monks in the temple were ordered to surrender, and the violators were immediately beheaded!

At first, the sacrifices of the Persian temple still wanted to resist, intending to suppress the high-ranking officials in the city, but in front of the Fifth Qi, the high-ranking officials they bought were not worth mentioning at all. You know, apart from Qin Jin, who else can be more powerful than the Fifth Qi Shiquan?

On the fifth day of the assassination, all the Persian temples in Chang'an were cleaned up, and even the buildings were destroyed, accused of collusion and conspiracy to rebel.

In fact, Fifth Qi already had a taste of preferring to kill three thousand by mistake rather than let one person go. But in Qin Jin's view, otherwise, it is not enough to eliminate lawlessness. Therefore, he acquiesced to the actions of the Fifth Qi.

In the whole seven days, the cleanup of Chang'an City came to an end, and in addition to the thieves who assassinated the Fifth Qi who were killed on the spot, the people who were captured alive were all exposed after the relevant interrogations!

When the ban on Chang'an City was lifted, ordinary people didn't even feel much affected and continued to live as usual.

In the meantime, Yan Zhenqing once again tried to get in touch with the thieves who had contacted him before, but those people seemed to have disappeared, and there was no news. Not only that, but even the abandoned Persian temple where the thieves gathered together has been demolished by the servants of Jingzhao Mansion.

Calm finally returned to the market, and the assassination did not happen again. Whatever the outcome of this cleanup, it at least to some point deterred the thieves who were plotting in the dark room.

Next, the rectification work of the Fifth Qi did not end, but took Jingzhao Mansion as a breakthrough and began a severe and harsh cleanup of the huge number of Xu officials.

The first to bear the brunt is the Xu officials who are responsible for managing the registers, don't look at the Xu officials can be powerful when they exploit the people, but under the strong pressure from the top down, they immediately become as fragile as ants

Several typical officials were arrested and severely punished with beheading and abandoning the city. Since the time of the Tianbao Dynasty, the imperial court has always been very lenient in the punishment of officials, as long as it does not involve a major case of human life, at most it is a fine, and even the expulsion of officials is rare.

Now, the Fifth Qi has rectified the Xu officials of Jingzhao Mansion with an iron fist, and nine Xu officials involved in the unauthorized revision of the register have been sentenced to death. For a time, the officials in Chang'an City were all panicked and could not live all day.

In addition, the Fifth Qi also mobilized the officials to report each other, and the officials sent out by the political hall were specially searched for the illegal things that were implicated in the rebels, if it was just a simple greed for ink, it would be open to the net depending on the situation, after all, the Tang Dynasty has been rotten to the bone, and if you want to find an innocent Xu official, I am afraid it is more difficult to find than to find a three-legged person.

After ten days of combing, it was indeed found that the officials who were very involved in the rebels were found, and the number was not small.

After this cleanup, the relationship network of the rebels in Chang'an suffered a heavy blow, but, for the sake of safety, the important ministers still hugged a large number of guards when they traveled, just in case.

On this day, Qingxuzi came to see Qin Jin happily, and without waiting for him to speak, Qin Jin split his head and asked:

"The cast bronze barrel has been made?"

Qingxuzi showed a smug look as always.

"According to the Prime Minister's instructions, Poor Dao has built ten cannon barrels in a row, and there are five that can be used.

Qin Jin laughed, feeling that the efficiency of this Qingxuzi was really similar to what he imagined. The previous stone projectile was time-consuming and fragile to polish and scrap, so it was changed to an iron ball made of pig iron, so that the diameter of the projectile could be determined according to the caliber of the barrel.

"The barrel made this time can reach a mile once fired, and everything in the block is rotten!"

The power of the cannon was originally expected by Qin Jin, and now there is a key point in the weight of the cast bronze cannon barrel made by Qing Xuzi.

"How much does the barrel weigh?"

"Back to the prime minister, it ranges from 800 to 1,000 catties!"

This weight is also within the range that Qin Jin expected, but the caliber of the copper cannon of eight hundred or one thousand catties is still small, and it is not capable of attacking the city. According to the data in his memory, it must be at least 1,500 catties or more to have a miraculous effect.

However, if the artillery can be made light, it means that it can participate in field battles, and it is a better weapon to integrate the tactics of artillery with the existing infantry tactics to combat the formation and morale of the enemy.

"Let's go, let's go check it out now!"

Excited, Qin Jin decided to personally go to the Xinjun Test Ground in the West Inner Garden to inspect it.

After arriving at the test site, the barrel of the cannon he saw was not mounted on wheels, but was mounted on a makeshift gun mount, but the shiny cast copper cannon body could still make Qin Jin feel the power of this thing.

"Let's get started!"

As Qin Jin hid in a half-man-high earthen wall bunker, Qing Xuzi commanded the artillery to start reloading and firing, and a company carried out twenty consecutive shots, hitting the entire cannon body red, so that the artillerymen had to splash water with the buckets prepared in advance to cool down.

What made Qing Xuzi feel proud was that this twenty rounds of salvo fire, none of the barrels were bored, but soon a soldier sent detailed inspection information, and the body of one of the barrels was cracked, and it could no longer be used, otherwise there would be a danger of boredom.

Qin Jin was already very satisfied with this result, and the first casting could have such an effect, which really exceeded his expectations.

As for how to increase the weight as little as possible and strengthen the barrel strength, Qin Jin put forward some basic suggestions based on the original artillery in his memory. For example, the barrel can be cast into a thin front and thick back shape, etc.

Qin Jin's every sentence could cause Qing Xuzi to pat his head and make a sudden appearance, he was only annoyed that he hadn't thought of such a simple truth before?

"The prime minister really knows everything about astronomy and geography, and even this method of making cannons is willing to bow to the poor road!"

Qing Xuzi's sycophant was slightly not on the horse's mouth, and Qin Jin didn't care, and said with a smile:

"Qin Mou is just a flash of inspiration, if you just talk about making cannons, many of the details, Qin Mou must not be as good as a real person!"

He is not modest at all, in fact, Qingxuzi has accumulated a lot of experience in the repeated production of firearms, which is incomparable to laymen.

After receiving Qin Jin's praise, Qing Xuzi's face could not hide the smugness, and he asked further:

"I don't know how many of these firearms are needed for the Prime Minister's expedition to the west?"

Qin Jin was stunned for a moment, he really hadn't calculated how much was needed, so he said casually:

"Naturally, the more the merrier!"

Qingxuzi scratched his head. The more the merrier, it is really difficult for him, dozens is a lot, hundreds is a lot, but if there are no specific requirements, who knows how many are appropriate?

"The problem of quantity, although casting is, there are still many problems that need to be solved before mass production. For example, first assemble the barrel to a special sports car, and try to see if it can withstand the strong recoil brought by the shelling, and whether it can advance and retreat freely. ”

"What the prime minister reminded is that the gun truck has been ready, just waiting to be assembled on the gun body, presumably the test results will be obtained in the next day or two!"

Qin Jin nodded and said:

"Well, in addition, other bells and whistles firearms can be put aside temporarily, and all your energy can be used on artillery, more and wider, it is better to be specialized and refined, if the artillery is built well, you can make the Shenwu army invincible on the battlefield!"

Hearing this, Qing Xuzi was surprised:

"Isn't artillery used to replace stone artillery for sieges?"

Qin Jin Dao:

"Siege is not the only function of artillery, the most powerful thing is that it can be used in field battles!"

"The artillery is bulky and used for field battles, so I'm afraid it will be easily attacked by enemy cavalry, right?"

"This is natural, but battlefield tactics may be changed by artillery, and at that time, cavalry may not be able to get close to artillery!"

Regarding the issue of tactics, Qing Xuzi is not a strong point, in fact, Qin Jin is not very clear, and in the end, he has to summarize and improve in actual combat.

Qin Jin was very satisfied with the progress of the artillery, and after returning to the Prime Minister's Mansion, the elders of the Fuzhong family had been waiting for a long time. Seeing the head of his family, the old man hurriedly stepped forward and said in a low voice:

"The princess has to let the head of the house go back anyway, say yes, say that the cousin from the head of the house is here!"

"Cousin?"

Qin Jin was stunned for a moment, in his original memory, he was the only son in the family, and as for the so-called cousin, he really didn't have much impression.

Because Qin Jin's father died when he was a child, he grew up in his mother's house with his mother, so he didn't know much about his father's relatives, or even had a little hatred.

"You go back first, and I'll be there later!"