How should dialogue be written when writing a novel? What should I pay attention to?

I think it’s better to write a novel with a dialogue between multiple people. You can write a sentence with each other in a compact way; you can also include psychological descriptions of each other’s expressions and tones; you can even have eye contact without saying anything. ....in various ways. But when writing, you should pay attention to the personal image expressed in each dialogue (imagine erasing the scene to see if the dialogue can reveal the identity of the woman); the rhythm of the entire novel; and some language logic symbols that do not conform to your daily life. Habits (for example, why should such colloquial words not be written as He Zou Zou in conversation).