diff --git a/i18n-lands.js b/i18n-lands.js
index 56c43b0..7c56fbb 100644
--- a/i18n-lands.js
+++ b/i18n-lands.js
@@ -769,7 +769,9 @@ module.exports = {
     namefull: { enUS: "the People's Republic of China", zhCN: '中华人民共和国' },
     notes:
       '“GB/T 2659-2000”的“CN”适用于整个中华人民共和国辖区（包括中国大陆、香港、澳门）。而“ISO 3166-1”和“CNS 12842”的“CN”则仅适用于中国大陆，不含港澳地区。',
-    reCallnumber: /^1\d{10}$/.source,
+    phoneRegex: /^1\d{10}$/.source,
+    phoneMaxlen: 11,
+    phoneMinlen: 11,
     timezone: '0',
   },
   CO: {
@@ -1832,7 +1834,7 @@ module.exports = {
     name: { enUS: 'Japan', native: '日本', zhCN: '日本', zhHK: '日本', zhTW: '日本' },
     namefull: { enUS: '', zhCN: '日本国' },
     notes: '',
-    reCallnumber: /^\d{10}$/.source,
+    phoneRegex: /^\d{10,11}$/.source,
     timezone: '1',
   },
   KE: {
@@ -3184,7 +3186,7 @@ module.exports = {
     name: { enUS: 'Singapore', zhCN: '新加坡', zhHK: '新加坡', zhTW: '新加坡' },
     namefull: { enUS: 'the Republic of Singapore', zhCN: '新加坡共和国' },
     notes: '',
-    reCallnumber: /^[89]\d{7}$/.source,
+    phoneRegex: /^[89]\d{7}$/.source,
     timezone: '0',
   },
   SH: {
@@ -3746,7 +3748,9 @@ module.exports = {
     name: { enUS: 'United States', zhCN: '美国', zhHK: '美国', zhTW: '美国' },
     namefull: { enUS: 'the United States of America', zhCN: '美利坚合众国' },
     notes: '',
-    reCallnumber: /^\d{10}$/.source,
+    phoneRegex: /^\d{10}$/.source,
+    phoneMaxlen: 10,
+    phoneMinlen: 10,
     timezone: '-13',
   },
   UY: {
diff --git a/i18n-tool.js b/i18n-tool.js
index d5f885a..a5e8847 100644
--- a/i18n-tool.js
+++ b/i18n-tool.js
@@ -3,16 +3,16 @@ const landSet = require('./i18n-lands.js')
 module.exports = {
   validate_phone ({ phone } = {}) {
     try {
-      let [fullphone, itc, callnumber] = /^\+(\d{1,3})-(\d{7,11})$/.exec(phone)
+      let [fullphone, itc, callnumber] = /^\+(\d{1,3})-(\d{7,12})$/.exec(phone)
       switch (itc) {
         case landSet.CN.itc:
-          return new RegExp(landSet.CN.reCallnumber).test(callnumber)
+          return new RegExp(landSet.CN.phoneRegex).test(callnumber)
         case landSet.JP.itc:
-          return new RegExp(landSet.JP.reCallnumber).test(callnumber)
+          return new RegExp(landSet.JP.phoneRegex).test(callnumber)
         case landSet.SG.itc:
-          return new RegExp(landSet.SG.reCallnumber).test(callnumber)
+          return new RegExp(landSet.SG.phoneRegex).test(callnumber)
         case landSet.US.itc:
-          return new RegExp(landSet.US.reCallnumber).test(callnumber)
+          return new RegExp(landSet.US.phoneRegex).test(callnumber)
         default:
           return true
       }