From dbc14587e185917238ab2cb5dd3abe14ce204823 Mon Sep 17 00:00:00 2001
From: de-memory <972985083@qq.com>
Date: Sun, 9 Oct 2022 14:37:25 +0800
Subject: [PATCH] =?UTF-8?q?=E6=98=9F=E5=BA=A7=E8=AE=A1=E7=AE=97=E9=94=99?=
 =?UTF-8?q?=E8=AF=AF?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/IdentityCard.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/IdentityCard.php b/src/IdentityCard.php
index dd5c22a..6b4d061 100644
--- a/src/IdentityCard.php
+++ b/src/IdentityCard.php
@@ -325,8 +325,8 @@ public function getConstellation(): string
 
 		$day = (int) substr(static::$idCard, 12, 2);
 
-		if ($day >= $this->constellationEdgeDays[$month]) {
-			$month = $month + 1;
+		if ($day < $this->constellationEdgeDays[$month]) {
+			$month = $month - 1;
 		}
 
 		if ($month >= 0) {