use std::time::{SystemTime, UNIX_EPOCH};
use uuid::Uuid;
pub fn now_millis() -> u128 {
SystemTime::now()
.duration_since(UNIX_EPOCH)
.expect("SystemTime::now panic")
.as_millis()
}
pub fn gen_request_id() -> String {
Uuid::new_v4().to_string().replace("-", "")
}