From a2e253591c176dbd422d6a141daac92e219e7949 Mon Sep 17 00:00:00 2001
From: yusing <yusing@6uo.me>
Date: Mon, 14 Apr 2025 06:27:19 +0800
Subject: [PATCH] fix: nil dereference on marshalling service health

---
 internal/watcher/health/json.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/internal/watcher/health/json.go b/internal/watcher/health/json.go
index 47a56ab..9059f5c 100644
--- a/internal/watcher/health/json.go
+++ b/internal/watcher/health/json.go
@@ -22,7 +22,10 @@ type JSONRepresentation struct {
 }
 
 func (jsonRepr *JSONRepresentation) MarshalMap() map[string]any {
-	url := jsonRepr.URL.String()
+	var url string
+	if jsonRepr.URL != nil {
+		url = jsonRepr.URL.String()
+	}
 	if url == "http://:0" {
 		url = ""
 	}