diff --git a/CHANGELOG.md b/CHANGELOG.md
index a1d2b2f..c712e12 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,18 @@
 - 🛠️ 修复（fix）
 - 🧹 琐事（Chore）
 
+## v2.3.1
+
+- 🛠️ 修复（fix）
+
+  🇨🇳
+
+  - 修复小限年龄判断条件错误
+
+  🇺🇸
+
+  - fix age error
+
 ## v2.3.0
 
 - 🪄 功能（feature）
diff --git a/package.json b/package.json
index 984482f..ca15d39 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "iztro",
-  "version": "2.3.0",
+  "version": "2.3.1",
   "description": "轻量级紫微斗数星盘生成库。可以通过出生年月日获取到紫微斗数星盘信息、生肖、星座等信息。A lightweight kit to astrolabe generator of The Purple Star Astrology (Zi Wei Dou Shu). The Purple Star Astrology(Zi Wei Dou Shu) is a Chinese ancient astrology. You're able to get your horoscope and personality from the astrolabe",
   "main": "lib/index.js",
   "types": "lib/index.d.ts",
diff --git a/src/astro/FunctionalAstrolabe.ts b/src/astro/FunctionalAstrolabe.ts
index 0b9ab7f..e5a0116 100644
--- a/src/astro/FunctionalAstrolabe.ts
+++ b/src/astro/FunctionalAstrolabe.ts
@@ -45,9 +45,10 @@ const _getHoroscopeBySolarDate = (
   // 比如 2022年九月初一 出生的人，在出生后虚岁为 1 岁
   // 但在 2023年九月初二 以后，虚岁则为 2 岁
   if (
-    ((_date.lunarYear === _birthday.lunarYear && _date.lunarMonth) === _birthday.lunarMonth &&
+    (_date.lunarYear === _birthday.lunarYear &&
+      _date.lunarMonth === _birthday.lunarMonth &&
       _date.lunarDay > _birthday.lunarDay) ||
-    _date.lunarMonth > _birthday.lunarMonth
+    (_date.lunarYear === _birthday.lunarYear && _date.lunarMonth > _birthday.lunarMonth)
   ) {
     nominalAge += 1;
   }