From d21993804c2c03e2970cd93b0e5f91431a8ba211 Mon Sep 17 00:00:00 2001
From: Alireza Ahmadi <alireza7@gmail.com>
Date: Sun, 22 Mar 2026 19:10:59 +0100
Subject: [PATCH] fix tracker nil porinter #1057

---
 service/stats.go | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/service/stats.go b/service/stats.go
index 15be555..35cdfc7 100644
--- a/service/stats.go
+++ b/service/stats.go
@@ -22,10 +22,18 @@ type StatsService struct {
 }
 
 func (s *StatsService) SaveStats(enableTraffic bool) error {
-	if !corePtr.IsRunning() {
+	if corePtr == nil || !corePtr.IsRunning() {
 		return nil
 	}
-	stats := corePtr.GetInstance().StatsTracker().GetStats()
+	box := corePtr.GetInstance()
+	if box == nil {
+		return nil
+	}
+	st := box.StatsTracker()
+	if st == nil {
+		return nil
+	}
+	stats := st.GetStats()
 
 	// Reset onlines
 	onlineResources.Inbound = nil