diff --git a/package.json b/package.json
index 551ecc4..35047c4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "echarts-stat",
-  "version": "1.1.1",
+  "version": "1.2.0",
   "description": "a statistical tool for ECharts",
   "main": "index.js",
   "types": "src/ecStat.d.ts",