From dbd8e28fc8a61e115ce0e4c914cc75a19232bbdd Mon Sep 17 00:00:00 2001
From: wwqgtxx <wwqgtxx@gmail.com>
Date: Sun, 24 Aug 2025 21:09:55 +0800
Subject: [PATCH] ping: fix healthCheck panic

---
 route_direct.go | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/route_direct.go b/route_direct.go
index b043ab5..444eb5e 100644
--- a/route_direct.go
+++ b/route_direct.go
@@ -30,11 +30,16 @@ type DirectRouteMapping struct {
 
 func NewDirectRouteMapping(timeout time.Duration) *DirectRouteMapping {
 	mapping := common.Must1(freelru.NewSharded[DirectRouteSession, DirectRouteDestination](1024, maphash.NewHasher[DirectRouteSession]().Hash32))
-	mapping.SetHealthCheck(func(session DirectRouteSession, destination DirectRouteDestination) bool {
-		return !destination.IsClosed()
+	mapping.SetHealthCheck(func(session DirectRouteSession, action DirectRouteDestination) bool {
+		if action != nil {
+			return !action.IsClosed()
+		}
+		return true
 	})
 	mapping.SetOnEvict(func(session DirectRouteSession, action DirectRouteDestination) {
-		action.Close()
+		if action != nil {
+			action.Close()
+		}
 	})
 	mapping.SetLifetime(timeout)
 	return &DirectRouteMapping{mapping, timeout}