Revert "fix"

This reverts commit 99071601.

src/router.rs

@@ -125,9 +125,8 @@ impl<'a> Router<'a> {
         Self::run_up_script(&config)?;
 
         let mut endpoints_set = HashSet::new();
-        let ep_guard = endpoint.read().unwrap();
-        if let Some(addr) = ep_guard.as_ref() {
-            endpoints_set.insert(*addr); // SockAddr 实现了 Copy
+        if let Some(addr) = *endpoint.read().unwrap() {
+            endpoints_set.insert(addr);
         }
         let endpoints = Arc::new(RwLock::new(endpoints_set));
         let last_seen = Arc::new(RwLock::new(Instant::now()));