diff --git a/index.js b/i18n.js
similarity index 99%
rename from index.js
rename to i18n.js
index 1cc7d0e..f0102a5 100644
--- a/index.js
+++ b/i18n.js
@@ -258,9 +258,9 @@ module.exports = {
     ZM: { iso2: 'ZM', name: { enUS: 'Zambia', zhCN: '赞比亚' }, itc: '+260-' },
     ZW: { iso2: 'ZW', name: { enUS: 'Zimbabwe', zhCN: '津巴布韦' }, itc: '+263-' },
   },
-  validatePhone(context) {
+  validatePhone ({ phone } = {}) {
     try {
-      let [fullphone, areacode, callnumber] = /^(\+\d{1,3}-)(\d{7,11})$/.exec(context.phone)
+      let [fullphone, areacode, callnumber] = /^(\+\d{1,3}-)(\d{7,11})$/.exec(phone)
       switch (areacode) {
         case this.landSet['CN'].itc:
           return /^1\d{10}$/.test(callnumber)
diff --git a/package.json b/package.json
index 124d83a..0caa8d9 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "wo-core-i18n",
   "version": "0.1.0",
-  "main": "index.js",
+  "main": "i18n.js",
   "private": true,
   "dependencies": {},
   "devDependencies": {},