After returning home from school at night, Qi Yan went upstairs to take a shower.

Without turning on the lights, Lu Fenghan sat on the sofa with his long legs spread out lazily, tossing the oval stone that Qi Yan had just picked up from the roadside.

After throwing it a few times, he held the cold stone in his palm and dialed Vincent's communication.

The communication was connected quickly.

"Commander?"

Hearing Vincent's call, he knew that there was no one else next to him, so it was convenient to talk. Lu Fenghan went straight to the point without any reservation: "Can you hack into Turan's internal system? You don't need to do anything else, just find a piece of data in a certain computer."

Vincent was silent for a few seconds before asking: "Commander, how good of an impression did I leave on you that you thought I had the ability to hack into Turan's internal network?"

Lu Fenghan: "No?"

"Of course not! Although it is a matter of dignity for a man to admit that he is not good enough, this is really not okay!"

Vincent quickly gave Lu Fenghan a brief introduction, "You know, I used to study intelligence gathering at the First Military Academy. At that time, there were often actual combat simulations of invading the star network. Good rabbits only eat grass near their nests. Turan is just across the river, so it would be a waste not to eat it. Of course, everyone likes to visit Turan's intranet whenever they have time, and from time to time they even give Turan some protective advice."

"Later, Turan's people might be annoyed by our frequent visits and cheating people - I said, it is important to grasp this degree!"

He sighed, and then continued: "Turan was annoyed and had money, so he asked someone to redesign the firewall for the intranet. This wall is really solid. From then on, I, the intelligence search professional of the First Military Academy, had to bear the pain and shed tears to eliminate Turan!"

Lu Fenghan hit the nail on the head: "It's not true to say that you only eat grass around the nest, but it's true that you see Turan is generous with money, right?"

Vincent tried to save his dignity: "Commander, you can't say that, we are mutually Mutual benefit. After all, the vulnerabilities we found that need to be fixed are all very critical. A big Turan tree attracts the wind, and the intranet is always attacked nine or ten times a day. "

Lu Fenghan confirmed again: "Is it really impossible to get in?"

Vincent confirmed: "If it is really impossible to get in, the person who built the firewall is too high-level." He was surprised again, "Commander, what are you looking for?"

Lu Fenghan roughly explained the news he heard today, "A month ago, Dyson's death happened at the same time as the defeat on the front line. Weiss, who he brought to the front line, became the acting commander-in-chief. Obviously, we are not the only ones who noticed it."

"You mean, someone also noticed the conspiracy, secretly obtained the data of the suspended vehicle, and is investigating in secret. After confirming that it was a murder, they found that they were too deeply involved, so they asked Teacher Turan to delete all the data and pretend that nothing happened?"

Vincent said, not without sarcasm, "An expeditionary force where no one is sure whether they can survive until tomorrow is really proud to have so many forces calculating against them."

Lu Fenghan's eyes were like a frosted blade, and he tossed the stone in his hand again.

Vincent couldn't help but say, "The guns on the front line are pointed at the rebels, and everyone is just short of using themselves as shields to protect the stars behind them. Leto and his gang, on the other hand, are smiling while pointing their guns at the people around them. Commander, when you go back to the front line, remember to take me with you. Leto is so tiring, and staying there for too long will ruin your life."

"Wait." Lu Fenghan waited for him to finish complaining, then stopped talking, "Let's not talk about it for now."

At the same time the communication was hung up, footsteps were heard from the stairs, and then the lights downstairs were turned on.

Qi Yan had just taken a shower and walked over wrapped in a loose silk nightgown. He was tall and thin, with slender shoulders. The skin on his neck was moistened by the light.

Lu Fenghan frowned: "What's wrong with your neck?"

There was a red line on the side of Qi Yan's neck, which was particularly dazzling.

After comparing the locations, "It was scratched by a leaf at school -"

neither "scratched" nor "scratched" were appropriate. It was obvious that the edges of the leaves were not that sharp, so Lu Fenghan had to settle for the next best thing, "It was rubbed by a leaf?"

How long has it been, and it's still not healed?

Are the leaves poisonous?

Qi Yan handed over the healing gel in his hand: "I need to apply some medicine, it itches."

Lu Fenghan approached and applied the transparent healing gel on it. He smelled a light vapor on his nose.

It seemed that he just asked casually: "Who applied medicine to you before?"

Qi Yan tilted his head slightly and answered: "A nanny robot."

Not grandparents, nor anyone else, but, has he always been taken care of by a nanny robot?

Lu Fenghan naturally followed up with the question: "Why not have a nanny robot at home?"

"It's not safe." Qi Yan waited for Lu Fenghan to withdraw his hand and straightened his loose collar, "And you are here."

Hearing the matter-of-factness in his words, Lu Fenghan was not unhappy, but smiled and said: "That's not wrong."

After applying the medicine, Qi Yan did not leave immediately. He asked Lu Fenghan very directly: "If you want to enter Turan's internal network, I can."

Lu Fenghan's eyes darkened slightly.

It doesn't feel good to have your purpose exposed. His

expression did not move, and it was impossible to tell what Lu Fenghan was thinking in these few seconds. He only heard him answer: "Thank you in advance."

The two of them went to the optical computer in the study.

Seeing Qi Yan methodically turning on the machine and inputting a series of commands, countless pages flashed before his eyes. Lu Fenghan leaned on the edge of the table, his eyes fell on Qi Yan's white hair, and he mentioned casually: "The man who came last time was called Vincent. He used to study intelligence gathering at the First Military Academy. He said that the firewall that Turan rebuilt was very strong and he couldn't get in."

Qi Yan's fingers paused while typing the command, and he didn't expect Lu Fenghan to mention Vincent.

He replied: "The person who designed this firewall is called August. He told me where the backdoor he left in the program is."

August?

From the tone, it seems that they have a good relationship.

Lu Fenghan had no reason to feel hostile to this person, whose name he only knew, and asked casually, "Someone you know?"

At this time, Qi Yan had already entered Turan's intranet through the backdoor he left behind, and successfully logged into Tilia's optical computer.

He answered Lu Fenghan, "Yeah." After

thinking for a while, he added four more words, "A defeated general."

The little bit of hostility Lu Fenghan had before disappeared instantly.

It was just a defeated general.

"Delia has cleared all the data, but it can be restored." Qi Yan copied the data and logged out of Turan's intranet.

He read it quickly: "Delia tested the entire automatic driving system of the suspended car and found traces of intrusion three days before the accident."

Qi Yan marked a section of abnormal data and told Lu Fenghan, "Here, this implanted micro-program is called 'fuse', which is very hidden and cannot be found by conventional detection. Delia's professional level should be very good."

"Fuse?" Lu Fenghan rested his right hand on the edge of the table and his left hand on the back of Qi Yan's chair. He leaned over to take a closer look at the data marked by Qi Yan, "What is its function?"

The light from the display screen reflected on his face, making his facial features more profound and powerful in the light and dark.

Because of this posture, Lu Fenghan was too close. Qi Yan curled his fingers and answered after two seconds: "The 'fuse' originally came from the rebels and was used by the rebels to snipe people on the blacklist. Once the automatic driving system is implanted, the rebels can fully control the car at any time and any place, and disguise the murder as an ordinary suspended car accident."

"It's still easy not to be discovered?" Lu Fenghan turned his head and looked at Qi Yan.

Too close.

Qi Yan avoided Lu Fenghan's gaze and looked at the screen: "Yes. In order to prevent it from being cracked by the alliance, the 'fuse' has always been in the hands of the rebels and has not leaked."

This means that Dyson's suspended car accident was the work of the rebels.

Suppose that Dyson was the one who provided the coordinates of the jump point for the rebels at the front.

But there is no evidence.

And if Dyson was the traitor, then what role did Weiss, who had become the acting commander-in-chief of the front line and led the expeditionary force to retreat to Turin and surrendered 23 planets to the rebels, play?

Is it possible that Dyson was not a traitor, but was silenced because he knew some secrets that he should not know?

Seeing that Lu Fenghan was thinking with his eyes downcast, Qi Yan sat and waited. After a while, he couldn't help but say, "I'm going to bed."

Lu Fenghan hadn't fully recovered yet: "So early? But it's okay. It's good to go to bed early and get up early."

Qi Yan was half covered by Lu Fenghan's figure. If he moved, the two would bump into each other.

He had to remind her: "Get out of the way first."

"What?" Lu Fenghan came back to his senses and realized that his arms resting on the table and his hands resting loosely on the back of the chair formed a semicircle, holding Qi Yan.

Qi Yan was like a little animal, trapped in the middle, feeling a little restless.

Lu Fenghan stood up straight: "Are you going to bed?"

"Yeah, I slept too late last night, and I'm sleepy."

His eyes swept across Qi Yan's neck, and seeing that the red mark had faded, Lu Fenghan replied: "Okay, I'll wake you up tomorrow."

There was a public class on the 6th, and the large classroom that could accommodate hundreds of people was full.

Qi Yan found his seat according to the seat number received on his personal terminal and sat down with Lu Fenghan.

Xia Zhiyang and Chen Mingxuan were sitting in the front. When they saw Qi Yan coming, they turned around and greeted him with full energy: "Good morning!"

Qi Yan had just taken the medicine not long ago, so he was listless and had no energy. He only responded briefly.

Xia Zhiyang saw it and asked Lu Fenghan: "Is Qi Yan sick?"

Lu Fenghan made up a perfunctory excuse: "He didn't sleep well last night."

Qi Yan glanced at Lu Fenghan secretly - he clearly went to bed at eleven o'clock last night.

Xia Zhiyang always subconsciously believed what Lu Fenghan said, and stopped talking to Qi Yan. He went to the side to play games with Chen Mingxuan.

Before the class started, there was some noise in the classroom. Qi Yan supported his chin with his hand. He heard someone calling his name. He turned around and saw a boy with black hair and single eyelids standing beside him.

Qi Yan was a little slow to respond: "You called me?"

"My name is Mondrian." The man introduced himself first, and then without wasting a second, "I spent a few days deconstructing your PVC93 model and roughly understood your architectural ideas.

You abandoned the RN3 model, focusing on noise reduction to lose some low-quality data and thus improve the accuracy of data mining. Instead, you use PVC as the basic logic, emphasizing the intrinsic correlation between data. Through this Methods to improve the speed and accuracy of mining.

But I don’t understand, how did you make PVC more concise, and even make it run on a small optical computer? "

Qi Yan thought about it, and felt that there was too little time before class, and he might not be able to explain it clearly, so he suggested: "Can you tell me your personal terminal number, I will send you the process of simplifying PVC, you can take a look, and if you don’t understand, you can ask."

"Can I? Thank you!" Mondrian did not hide his surprise. He originally thought that Qi Yan's attitude would be as cold as it looked, and he was even mentally prepared to ask several more times.

After Mondrian left after exchanging terminal numbers, Xia Zhiyang turned around again and couldn't help sighing: "That man is called Mondrian, and he is in the same grade as us. He applied for two patents when he was in the first grade, which shocked mortals like us! It is said that his parents were both scientific researchers, and their names were on the blacklist. They were assassinated by the rebels a few years ago. But Mondrian was very determined and said that no matter what happened, he would continue to do scientific research."

Qi Yan nodded, remembering the look in Mondrian's eyes when he talked about the PVC93 model - very bright.

Xia Zhiyang mentioned the blacklist and boasted: "Speaking of which, in recent years, the one who has open-sourced the most tool-type model programs is me, God Y!" He was full of fighting spirit again, "If I make something in the future, I will also choose to open-source it!"

Qi Yan encouraged: "Come on."

Chen Mingxuan, who was addicted to playing games, stabbed him: "You can take the first step first - get two fewer Cs in the exam."

The next morning, the weather was gloomy and it was raining all the time.

The personal terminal has the function of an airflow umbrella, which can completely isolate the rain when people walk into the rain.

Qi Yan likes the humid water vapor on rainy days, so Lu Fenghan had to hold up a large black umbrella and protect Qi Yan for a while in the rain.

Halfway through, Lu Fenghan reminded him: "Qi Yan, you forgot to take your medicine today."

He had previously thought that Qi Yan just forgot to take medicine for the time being. But now he guessed that Qi Yan did not just forget to take medicine.

"I took the medicine." Qi Yan described the scene in detail, "I finished eating the bread and asked you to bring the medicine bottle to me. When you brought the medicine, you also brought me a glass of water. After I swallowed the medicine, there was still one-third of water left in the glass."

Raindrops splashed on the ground, and there was a rustling sound of rain all around. The scenery in the distance became blurred.

Lu Fenghan held the handle of the umbrella, looked at Qi Yan, and pointed out: "I didn't give you medicine or water this morning."

Qi Yan blinked slowly.

In this memory of his, Lu Fenghan was wearing a white shirt just like he is now, which made him not suspicious.

So, is this memory false again?

"So you remembered it wrong, let's go, we're going to be late." Lu Fenghan didn't say anything more, just tilted the umbrella towards Qi Yan, and didn't care that the sleeve of his left arm was stained with rain.

Under the umbrella, Qi Yan looked at him: "Did you bring the medicine?"

"Yes, I was afraid you would forget, so I put two doses of medicine in the car. You can take it later." Lu Fenghan sighed in his heart, and then said, "There is also a water cup, don't worry."