From 70dc45ee656e5c505988f2ed890e0aadc9efaac1 Mon Sep 17 00:00:00 2001
From: guoguangwu <guoguangwu@magic-shield.com>
Date: Sat, 27 May 2023 12:32:41 +0800
Subject: [PATCH] code optimization

---
 sysutil.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sysutil.go b/sysutil.go
index 856a0c6..d7c768a 100644
--- a/sysutil.go
+++ b/sysutil.go
@@ -11,5 +11,5 @@ func BootTime() time.Time {
 
 // Uptime returns the duration the system has been up.
 func Uptime() time.Duration {
-	return time.Now().Sub(btime)
+	return time.Since(btime)
 }