From df5a7c7e0c3ed65ce3beaf28f0e5befe9c37ccdf 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: Fri, 27 Jul 2018 18:28:06 +0900
Subject: [PATCH] Update calendar.vue

---
 src/client/app/desktop/views/components/calendar.vue | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/client/app/desktop/views/components/calendar.vue b/src/client/app/desktop/views/components/calendar.vue
index 111699618e..746beca9d5 100644
--- a/src/client/app/desktop/views/components/calendar.vue
+++ b/src/client/app/desktop/views/components/calendar.vue
@@ -35,7 +35,7 @@ import Vue from 'vue';
 const eachMonthDays = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
 
 function isLeapYear(year) {
-	return !(year % (year % 25 ? 4 : 16));
+	return !(year & (year % 25 ? 3 : 5));
 }
 
 export default Vue.extend({