diff --git a/lunar.js b/lunar.js
index eaf9cbd..571b39d 100644
--- a/lunar.js
+++ b/lunar.js
@@ -1174,11 +1174,11 @@
           }
           return LunarUtil.POSITION_TAI_MONTH[m-1];
         },
-        getDayYi:function(){
-          return LunarUtil.getDayYi(this.getMonthInGanZhiExact(),this.getDayInGanZhi());
+        getDayYi:function(sect){
+          return LunarUtil.getDayYi(2 == sect ? this.getMonthInGanZhiExact() : this.getMonthInGanZhi(), this.getDayInGanZhi());
         },
-        getDayJi:function(){
-          return LunarUtil.getDayJi(this.getMonthInGanZhiExact(),this.getDayInGanZhi());
+        getDayJi:function(sect){
+          return LunarUtil.getDayJi(2 == sect ? this.getMonthInGanZhiExact() : this.getMonthInGanZhi(), this.getDayInGanZhi());
         },
         getDayJiShen:function(){
           return LunarUtil.getDayJiShen(this.getMonth(),this.getDayInGanZhi());
diff --git a/package.json b/package.json
index 5084197..ac6fc87 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "lunar-javascript",
-  "version": "1.2.28",
+  "version": "1.2.29",
   "description": "lunar is a calendar library for Solar and Chinese Lunar.",
   "main": "index.js",
   "scripts": {