From ce6bd6a7c372aabfbc0b9d8b4cae78d783020913 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Acid=20Chicken=20=28=E7=A1=AB=E9=85=B8=E9=B6=8F=29?=
 <root@acid-chicken.com>
Date: Sun, 2 Dec 2018 13:54:16 +0900
Subject: [PATCH] Fix #18 (#19)

---
 src/modules/server/index.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/modules/server/index.ts b/src/modules/server/index.ts
index f037e4b..59a6913 100644
--- a/src/modules/server/index.ts
+++ b/src/modules/server/index.ts
@@ -38,7 +38,7 @@ export default class ServerModule implements IModule {
 	private check = () => {
 		const average = (arr) => arr.reduce((a, b) => a + b) / arr.length;
 
-		const cpuPercentages = this.statsLogs.map(s => s.cpu_usage * 100);
+		const cpuPercentages = this.statsLogs.map(s => s && s.cpu_usage * 100 || 0);
 		const cpuPercentage = average(cpuPercentages);
 		if (cpuPercentage >= 70) {
 			this.warn();