After repeated thinking, Li Shan came up with a way to debug the laser.

His train of thought was that the laser emitter had been roughly fixed by glass glue and now only needed to be fine-tuned. He first made four small holes in the laser gun barrel, which is the front and rear end of the laser emitter, and installed fine-grained screws to adjust the position of the emitter up, down, left and right.

Then there is the issue of calibration, which means that the light point emitted by the calibrator coincides with the laser emitted by the laser. It's what movies often see, where the red light points to, the laser shot by the laser gun should hit it.

Li Shan prepared three transparent glass plates as targets for debugging, placing one at a distance of 50 meters, the second at a distance of 100 meters, and the third at a distance of 200 meters.

According to the performance of the laser gun, it should be able to penetrate three glass plates at the same time, if the holes through which the laser passes through the three glass plates coincide with the red laser spots, then within a certain distance, it can be considered that the red light emitted by the calibrator is consistent with the laser emitted by the laser, that is, it can be "pointed and hit".

He took out the laser gun from his bag, looked at the gun carefully, and was very satisfied with its appearance, although it looked a little larger, but it was a bit of the kind of sci-fi gun used in the movie.

Li Shan turned on the switch of the calibrator on the laser gun, and the light emitted by the laser pointer was invisible, only a red dot appeared on the target.

Although Li Shan held the gun in both hands, the red dot kept shaking on the target. This kind of debugging will definitely not achieve any good results.

He fixed the laser gun on a rock with tape, so that it did not have to be completely fixed, so that the red dot emitted by the laser pointer could be stabilized on the target, laying a good foundation for debugging.

By constantly adjusting the position of the gun, the red dots fired by the calibrator can land on three glass plates at the same time. At this time, he used tape to firmly attach the laser gun to the rock.

Li Shan took a deep breath, pulled the board machine, and with a "chirp", the laser was launched.

Li Shan hurriedly went over to check the glass plates, the position of the first plate perforated was two or three centimeters different from the red dot, and the second one was even worse, the hole through which the laser passed just hit the edge of the glass plate, and the third one had no hole, which was due to too much deviation and did not hit the target.

These were all expected by Li Shan, better than he imagined, originally he thought that the second target would not be hit.

In the direction of the deviation on the target, he used a screwdriver to adjust the screws on the laser gun so that the position of the laser emitter in the laser gun moved slightly, and then tightened the screws.

Immediately afterward, he fired a second shot.

Following this step, he shoots, looks at the target, and corrects the barrel of the gun.

Li Shan mainly adjusts the position of the laser pointer, and the specific adjustment mainly relies on a thin tooth screw, slightly more than half a circle, and the laser sent out may have more deviations, either more or less, which requires more patience and meticulousness to complete the rest of the content.

After the fifth shot, he was able to ensure that the laser shot coincided with the red dot on the calibrator on the first target, while the second target had a deviation of about one or two millimeters, and the third target had a deviation of five or six millimeters.

If you continue to try, you may be able to further narrow the deviation, but Li Shan thinks that it is not too necessary, because the actual use distance of the laser gun is about 100 meters, which should be enough according to the current accuracy, and no matter how far it is, it is not of much practical significance.

Li Shan took out another tube of super glue, poured it into the gap of the gun body, and fixed the adjustment screws on the gun body, so that the laser gun was basically completed.

Looking back and forth at the laser gun in his hand, the laser gun faintly flashed with pale green light, Li Shan's eyes were full of fire, and his heart was full of pride, and he had the momentum of scolding Fang Xuan.

At this moment, I should now stand on the top of a high mountain and point out the country, instead of standing in this unknown small river ditch, with a little regret in my heart. Besides, the gun in his hand looks like a green toy gun from the outside, and it seems to be missing something, and it doesn't look so stylish, but it's still a bit of a fly in the ointment.

These debugging seems simple, but you need to shuttle back and forth between several targets, and it doesn't feel like much, but before you know it, the sun is about to set, and the mountains are especially dark, the mountains are tall and dense, if the sky is completely dark, the marks you made when you come are not easy to find, so it will be easy to get lost, and to walk back on the road, it will take at least more than an hour.

So, Li Shan hurriedly began to clean up, mainly those glass targets, which were useless, he didn't want others to see something, these glasses were smashed by him with stones and buried on the spot, and after everything was cleaned up, he hurried back.

When Li Shan hurried out of the mountain, it was already completely dark, and then he found another problem in front of him - there were no buses now.

This is a suburb, and the buses are closed relatively early, and he did not expect this beforehand.

He didn't want to call an online car-hailing service, and he couldn't get back to the city without a hundred or ten yuan, and for Li Shan, he was still a little reluctant.

It's only eight o'clock now, and there are still buses in the city, and some of them don't collect the buses until eleven or twelve o'clock in the evening.

Looking at the sky, the air was still filled with the smell of dust, Li Shan was a little nostalgic for the ravine where he stayed during the day, the air there was really fresh, no wonder many rich people have built villas in the mountains now, they can go to the mountains for vacation as soon as they are free, and the rich people will really enjoy it.

Sighing in his heart, Li Shan took out a mask from his pocket and put it on his face, then strode towards the direction of the city.

I didn't feel anything when I sat in the car when I came, but if I walked back like this, it wouldn't be the same thing.

Although he usually exercises, he walks for dozens of kilometers, and he is basically not idle during the whole day, so he just walks down, and he feels that his legs and feet are a little sore.

He passed by a bus stop, which is usually the place where the tour bus stops around the mountain, and during the day, he saw that it was crowded with people, and now it is already empty.

Hey, what's that? It's a bicycle.

Li Shan was excited, and when he looked over to see that this was a public bicycle, it was really a heavenly eye.

Now public bicycles do not need to pay a deposit, you only need to scan the code on the mobile payment to pay the fee.

Looking at the car closely, Li Shan was surprised that the lock of the sharing bicycle was broken by someone, and now even the riding fee was saved.

Li Shan was not polite, and immediately rode it to continue to hurry, although it still required physical strength, it was much better than walking.

Although it was getting late now, fortunately, the moon was in the sky, and the ride along the way was not too difficult.

After riding about 20 kilometers on the mountain road, he was about to enter the city, seeing that there were more and more lights in front of him, and now Li Shan's legs and feet were a little heavy, and he just rode forward with a kind of inertia.

During the period, he also saw many bus stops, where he thought that he had to reverse two trips when he got home, and he thought that since he had ridden so far, he didn't want to toss anymore, so he simply rode directly to the subway station to take the subway back, so that he only needed to reverse one trip, but fortunately, the subway station was in front of him.

Because it is now a night ride, the roadside street lights are also relatively dim, because of the fear that the motorized car driver will not have a good vision and an accident, in order to be safe, Li Shan has been riding close to the roadside.

At the moment, he was riding along the non-motorized lane, and the motorized lane in the middle was separated by a green belt, which made Li Shan feel quite safe.

At this moment, I suddenly felt a snow-white light shining behind me, and then I heard a car coming from far and near.

How did this guy get into the non-motorized lane. Li Shan thought so in his heart, he rode as close to the curb as possible, and his speed also decreased, wanting to let go of the car behind, because it was too close to the road tooth, so that the bicycle tires rubbed against the road tooth, but the car behind still kept honking its horn, a tight sound, as if it was very impatient.