From 39a10079c49c9c6cbb8e79db5d98176bf193eae5 Mon Sep 17 00:00:00 2001
From: eight <eight04@gmail.com>
Date: Wed, 21 Nov 2018 15:30:18 +0800
Subject: [PATCH] Fix: getChromeVersion

---
 content/install-hook-usercss.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/content/install-hook-usercss.js b/content/install-hook-usercss.js
index c88c13ea..c308f2f3 100644
--- a/content/install-hook-usercss.js
+++ b/content/install-hook-usercss.js
@@ -72,7 +72,7 @@
 
   function getChromeVersion() {
     const match = navigator.userAgent.match(/chrome\/(\d+)/i);
-    return match && Number(match[1]);
+    return match ? Number(match[1]) : undefined;
   }
 
   function start() {