diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0e18cef..f61fcf0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -32,3 +32,7 @@
 ## [1.7.2] - 2025-03-05
 1. 修复每日宜忌错误。
 2. 更新2018之后的△T参数。
+
+## [1.7.3] - 2025-04-07
+1. 修复个别日太岁方位的错误。
+2. 修复八字身宫计算错误的问题。
diff --git a/README.md b/README.md
index 7dae443..cd0f7af 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ lunar是一款无第三方依赖的公历(阳历)、农历(阴历、老黄历)
 <dependency>
   <groupId>cn.6tail</groupId>
   <artifactId>lunar</artifactId>
-  <version>1.7.2</version>
+  <version>1.7.3</version>
 </dependency>
 ```
 
diff --git a/README_EN.md b/README_EN.md
index 7a39371..78a792e 100644
--- a/README_EN.md
+++ b/README_EN.md
@@ -12,7 +12,7 @@ lunar is a calendar library for Solar and Chinese Lunar.
 <dependency>
   <groupId>cn.6tail</groupId>
   <artifactId>lunar</artifactId>
-  <version>1.7.2</version>
+  <version>1.7.3</version>
 </dependency>
 ```
 
diff --git a/pom.xml b/pom.xml
index d491112..e3541e8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -7,7 +7,7 @@
     <groupId>cn.6tail</groupId>
     <artifactId>lunar</artifactId>
     <packaging>jar</packaging>
-    <version>1.7.2</version>
+    <version>1.7.3</version>
     <name>${project.groupId}:${project.artifactId}</name>
     <url>https://github.com/6tail/lunar-java</url>
     <description>a calendar library for Solar and Chinese Lunar</description>
diff --git a/src/main/java/com/nlf/calendar/EightChar.java b/src/main/java/com/nlf/calendar/EightChar.java
index 9422eb6..ca464c0 100644
--- a/src/main/java/com/nlf/calendar/EightChar.java
+++ b/src/main/java/com/nlf/calendar/EightChar.java
@@ -527,15 +527,12 @@ public class EightChar {
   public String getShenGong() {
     int monthZhiIndex = LunarUtil.find(getMonthZhi(), MONTH_ZHI, 0);
     int timeZhiIndex = LunarUtil.find(getTimeZhi(), LunarUtil.ZHI, 0);
-    int offset = monthZhiIndex + timeZhiIndex;
-    while (offset > 12) {
-      offset -= 12;
-    }
-    int ganIndex = (lunar.getYearGanIndexExact() + 1) * 2 + (offset % 12);
+    int offset = (monthZhiIndex + timeZhiIndex - 1) % 12;
+    int ganIndex = (lunar.getYearGanIndexExact() + 1) * 2 + offset;
     while (ganIndex > 10) {
       ganIndex -= 10;
     }
-    return LunarUtil.GAN[ganIndex] + MONTH_ZHI[offset];
+    return LunarUtil.GAN[ganIndex + 1] + MONTH_ZHI[offset + 1];
   }
 
   /**
diff --git a/src/main/java/com/nlf/calendar/Lunar.java b/src/main/java/com/nlf/calendar/Lunar.java
index d573543..40bc092 100644
--- a/src/main/java/com/nlf/calendar/Lunar.java
+++ b/src/main/java/com/nlf/calendar/Lunar.java
@@ -1347,11 +1347,11 @@ public class Lunar {
 
   protected String getDayPositionTaiSui(String dayInGanZhi, int yearZhiIndex) {
     String p;
-    if ("甲子,乙丑,丙寅,丁卯,戊辰,已巳".contains(dayInGanZhi)) {
+    if ("甲子,乙丑,丙寅,丁卯,戊辰,己巳".contains(dayInGanZhi)) {
       p = "震";
-    } else if ("丙子,丁丑,戊寅,已卯,庚辰,辛巳".contains(dayInGanZhi)) {
+    } else if ("丙子,丁丑,戊寅,己卯,庚辰,辛巳".contains(dayInGanZhi)) {
       p = "离";
-    } else if ("戊子,已丑,庚寅,辛卯,壬辰,癸巳".contains(dayInGanZhi)) {
+    } else if ("戊子,己丑,庚寅,辛卯,壬辰,癸巳".contains(dayInGanZhi)) {
       p = "中";
     } else if ("庚子,辛丑,壬寅,癸卯,甲辰,乙巳".contains(dayInGanZhi)) {
       p = "兑";
diff --git a/src/test/java/test/BaZiTest.java b/src/test/java/test/BaZiTest.java
index 52a6001..a1cd58b 100644
--- a/src/test/java/test/BaZiTest.java
+++ b/src/test/java/test/BaZiTest.java
@@ -235,7 +235,7 @@ public class BaZiTest {
   @Test
   public void testShenGong1() {
     Lunar lunar = new Solar(1994, 12, 6, 2, 0, 0).getLunar();
-    Assert.assertEquals("身宫", "乙丑", lunar.getEightChar().getShenGong());
+    Assert.assertEquals("身宫", "丁丑", lunar.getEightChar().getShenGong());
   }
 
   @Test
@@ -413,7 +413,7 @@ public class BaZiTest {
     Solar solar = new Solar(1986, 5, 29, 13, 37, 0);
     Lunar lunar = solar.getLunar();
     EightChar eightChar = lunar.getEightChar();
-    Assert.assertEquals("己丑", eightChar.getShenGong());
+    Assert.assertEquals("辛丑", eightChar.getShenGong());
   }
 
   @Test
@@ -543,4 +543,10 @@ public class BaZiTest {
     Assert.assertEquals(expected, actual);
   }
 
+  @Test
+  public void test32() {
+    Lunar lunar = Solar.fromYmdHms(1980, 6, 15, 12, 30, 30).getLunar();
+    EightChar eightChar = lunar.getEightChar();
+    Assert.assertEquals("身宫", "己丑", eightChar.getShenGong());
+  }
 }