From a9e50d29d35a867442e8690465ea9a9bc977bd1c Mon Sep 17 00:00:00 2001
From: MaysWind <i@mayswind.net>
Date: Sat, 4 Jan 2025 23:34:20 +0800
Subject: [PATCH] fix display incorrect month

---
 src/lib/datetime.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/lib/datetime.ts b/src/lib/datetime.ts
index e7c28990..8a54b316 100644
--- a/src/lib/datetime.ts
+++ b/src/lib/datetime.ts
@@ -347,8 +347,8 @@ export function getYearMonthFirstUnixTime(yearMonth: YearMonth | string): number
 
     if (isString(yearMonth)) {
         yearMonthObj = getYearMonthObjectFromString(yearMonth as string);
-    } else if (isObject(yearMonth) && !isYearMonthValid((yearMonth as YearMonth).year, (yearMonth as YearMonth).month)) {
-        yearMonthObj = null;
+    } else if (isObject(yearMonth) && isYearMonthValid((yearMonth as YearMonth).year, (yearMonth as YearMonth).month)) {
+        yearMonthObj = yearMonth as YearMonth;
     }
 
     if (!yearMonthObj) {