What joke is it that Jay Chou asks Jolin Tsai for his phone number?

Jay Chou and Jolin Tsai's QQ chat joke.

Jay Chou: Do you howl?

Jolin: You're the one howling.

Jay Chou: It's a typo. I mean, how are you?

Jolin: Not bad.

Jay Chou: Who is it?

Qiu Lin: Taiwan Province Province.

Jay Chou: Is it cold there?

JOLIN: Snow is flying all over the sky, and the cold wind is like a knife.

Jay Chou: What's your name?

Qiu Lin: Qiu Lin

Jay Chou: I mean my real name.

Qiu Lin: On QQ.

Jay Chou: Say it, will you?

Jolin: Why?

Jay Chou: Just say it.

Jolin: What should I do?

Jay Chou: Because I asked.

Jolin: Can't you just say what you asked?

Jay Chou: I'm not a bad person.

Jolin: Did the bad guys label it?

Jay Chou: No. But I'm a good man.

Jolin: Please send me the certificate of being a good person.

Jay Chou: No. But you said this sentence to show your sincerity in making friends.

JOLIN:caiyilin^_^

Jay Chou: How about sweating?

Jolin: I don't sweat when typing.

Jay Chou: I mean typing your name.

Jolin: Does my name annoy you?

Jay Chou: No.

Jolin: Then why did you type my name?

Jay Chou: I mean typing.

Jolin: Which word annoys you?

Jay Chou: OK, tell me your phone number.

Jolin: Plastic, red.

Jay Chou: No, I want you to give me your phone number.

Jolin: I still need my home phone. You want to buy it yourself.

Jay Chou: No, I want you to give me your phone number.

Jolin: Where did the call come from? I thought it was made by the factory.

Jay Chou: No, I want your phone number.

Jolin: It's embedded in the mobile phone. I can't take it off.

Jay Chou: What's your phone number?

Jolin: Twelve, ten numeric keys, a diagonal key and a pound key.

Jay Chou: I asked what the phone number was.

JOLIN: From 1 to 9, with 0 at the back.

Jay Chou: I'm devastated!

JOLIN:？ what happened to you

Jay Chou: No.

Jolin: Then how did it collapse? Terminal illness?

Jay Chou: I can't get your phone number.

Jolin: Is that important?

Jay Chou: What's the phone for? Isn't it just to chat? You have to tell others that the phone works.

Jolin: The telephone is used to surf the Internet.

Jay Chou: The telephone is still used for chatting.

Jolin: Yes, didn't we talk on the phone?

Jay Chou: Where were we? You haven't spoken for a long time.

JOLIN: I have said dozens of sentences.

Jay Chou: Oh, you make me dizzy. Maybe next time.