It's just a very ordinary white A4 paper, anywhere, the only difference is that the back and front of the paper are full of formulas and drafts.

The only thing that goes against the other is that there are four words written on the top of the top left corner of the front of the paper.

The font is small, but it's easy to read: Tsinghua University.

The characters are written beautifully, hairpins are small, but they have their own characteristics, Jiang Xingyan looked at these four words and smiled.

"Jiang Xingyan, it's time to eat." Gan Tian stood behind Jiang Xingyan and patted him on the shoulder.

The moment Jiang Xingyan heard the sweet voice, he directly kicked the scratch paper on the table into his clothes pocket.

"What are you hiding?" Gan Tian didn't see clearly what Jiang Xingyan kicked into his clothes, and asked curiously.

Jiang Xingyan's expression tightened, looked at Gantian, and said in a little panic: "No...... It's nothing. ”

Seeing that Jiang Xingyan was a little weak-hearted, Gan Tian shook his index finger with a smile: "I just saw it, do you want to take it out?" ”

Hearing Gan Tian say that he saw it, Jiang Xingyan's heart tightened, he looked at Gan Tian, and when he was a little swaying, he heard Gan Tian say, "Are you just looking at your phone." ”

Jiang Xingyan looked at Gan Tian, silently stuffed the paper ball that had been half taken out back into his pocket, and then nodded.

Gan Tian looked at Jiang Xingyan with an expression that I knew, "Actually, this is nothing, you don't need to hide it, you can play with your mobile phone once in a while, and you can go to school on your mobile phone." ”

Gan Tian looked at Jiang Xingyan's questions and knew that he hadn't studied much, so Gan Tian didn't object to him playing with his mobile phone, as long as he didn't play often.

"Alright, let's go eat." Gan Tian patted Jiang Xingyan on the shoulder and took the lead out of the room.

Jiang Xingyan looked at Gan Tian's back, took out the paper ball just now and looked at it, then stuffed it back and followed Gan Tian out of the room.

…

Jiang Xingyan lay on the bed after taking a shower, his left hand pillowed his head, and his right hand raised the broken rubber band.

The bright light shone on the black rubber bands, nothing special.

He put the rubber band to his ear and shook it lightly twice, and the bell made a small, dull sound.

Jiang Xingyan turned over, looked at the rubber band lying in his palm, and reached out to slowly clench it.

At this time, the prompt of the mobile phone on the bedside table sounded, Jiang Xingyan got up and put the rubber band in the drawer of the bedside table, and when he raised his eyes, he saw the crumpled paper ball, he picked it up and put it in the drawer.

Closing the drawer, Jiang Xingyan picked up the phone.

It was a message sent by Qiao Heng, asking him if he could play games.

Jiang Xingyan glanced at the time, it was only half past eleven, he wanted to lie down, he couldn't sleep anyway, it was better to play a few games.

Jiang Xingyan replied with a good word, and in less than a minute, Qiao Heng sent the link to the room.

When Jiang Xingyan was a little sleepy, he and Qiao Heng had been playing the game until four o'clock, he directly withdrew from the game, sent a message to Qiao Heng that he was no longer playing, and turned off his mobile phone.

He slept for a minute or two with his eyes closed, then put his phone back in his hand.

He turned on the alarm clock and set an alarm clock for himself from seven to twelve o'clock, and then went to bed peacefully.

…

In the slightly dark room, Jiang Xingyan was woken up by the alarm clock, he frowned, touched his mobile phone randomly, glanced at the time dimly, and then turned off the alarm clock.

Don't worry, it's only nine o'clock!