From c0b0d87ff4ef9beff7776511f5b54ae1c9be9259 Mon Sep 17 00:00:00 2001
From: BANKA2017 <17263253+BANKA2017@users.noreply.github.com>
Date: Sun, 20 Feb 2022 15:59:43 +0800
Subject: [PATCH] Fix: function usedMemory

While language in console is not English, this function may return `nan`
---
 app/lib/system.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/lib/system.php b/app/lib/system.php
index 3b09fb84..ee21ad84 100644
--- a/app/lib/system.php
+++ b/app/lib/system.php
@@ -42,7 +42,7 @@ class Sysinfo
 
     public function usedMemory()
     {
-        $used = shell_exec("free -m | awk '/Mem:/ { total=$2 ; used=$3 } END { print used/total*100}'");
+        $used = shell_exec("free -m | awk 'NR==2{ total=$2 ; used=$3 } END { print used/total*100}'");
         return floor($used);
     }