From c6e0b50ff581bdd9c3f0f3fd175a26543f7cf1d4 Mon Sep 17 00:00:00 2001
From: hiawui <hiawui@gmail.com>
Date: Wed, 29 Jun 2022 12:19:45 +0800
Subject: [PATCH] fix: wrong thick stick in view mode 'Month'

---
 src/index.js | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/src/index.js b/src/index.js
index 6d005afa..9cd505f7 100644
--- a/src/index.js
+++ b/src/index.js
@@ -391,10 +391,7 @@ export default class Gantt {
                 tick_class += ' thick';
             }
             // thick ticks for quarters
-            if (
-                this.view_is(VIEW_MODE.MONTH) &&
-                (date.getMonth() + 1) % 3 === 0
-            ) {
+            if (this.view_is(VIEW_MODE.MONTH) && date.getMonth() % 3 === 0) {
                 tick_class += ' thick';
             }