From 488dfaf2336b7401c4c4818841fa8342a24e6423 Mon Sep 17 00:00:00 2001
From: Luna Yao <40349250+ZnqbuZ@users.noreply.github.com>
Date: Sat, 21 Feb 2026 02:44:41 +0100
Subject: [PATCH] client: fix atomic ordering

---
 easytier/src/dns/client.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/easytier/src/dns/client.rs b/easytier/src/dns/client.rs
index 20fef349..c3251283 100644
--- a/easytier/src/dns/client.rs
+++ b/easytier/src/dns/client.rs
@@ -62,7 +62,7 @@ impl DnsClient {
         heartbeat: &mut HeartbeatRequest,
     ) -> anyhow::Result<()> {
         let request =
-            if heartbeat.snapshot.is_none() || self.mgr.dirty.swap(false, Ordering::Release) {
+            if heartbeat.snapshot.is_none() || self.mgr.dirty.swap(false, Ordering::Acquire) {
                 heartbeat.update(self.mgr.snapshot());
                 heartbeat.clone().into()
             } else {