diff --git a/lunar.js b/lunar.js
index a6cf6c2..16001af 100644
--- a/lunar.js
+++ b/lunar.js
@@ -1278,7 +1278,7 @@
           // 寅月起，所以需要-2
           var monthIndex = this._p.monthZhiIndex-2;
           if(monthIndex<0){
-            monthIndex += 12
+            monthIndex += 12;
           }
           var index = start-monthIndex-1;
           if(index<0){
diff --git a/package.json b/package.json
index a0a3f73..1be2c56 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "lunar-javascript",
-  "version": "1.0.24",
+  "version": "1.0.25",
   "description": "lunar is a calendar library for Solar and Chinese Lunar.",
   "main": "index.js",
   "scripts": {