I sent a message to a classmate asking her to do me a favor, but she didn't reply to me. I feel very embarrassed, and my heart is very entangled. What should I do? ...

Looks like you're a little narrow-minded I don't think it's necessary to dwell on this question, but generally speaking, he didn't reply, and there are usually several questions.

First, he didn't get your message.

Second, it was intercepted by the software on the mobile phone.

Third, he didn't get your message,