diff --git a/i18n-currencies.js b/i18n-bankcoins.js
similarity index 100%
rename from i18n-currencies.js
rename to i18n-bankcoins.js
diff --git a/i18n-cryptocoins.js b/i18n-cryptocoins.js
index 957ce74..ed47bf3 100644
--- a/i18n-cryptocoins.js
+++ b/i18n-cryptocoins.js
@@ -1,10 +1,10 @@
 module.exports = {
-  TIC: { coinCode: 'TIC', coinIname: { zhCN: '时光币', enUS: 'Timecoin' }, coinSymbol: 'τ' },
-  PEX: { coinCode: 'PEX', coinIname: { zhCN: '永存币', enUS: 'Pexcoin' }, coinSymbol: 'ε' },
-  BTC: { coinCode: 'BTC', coinIname: { zhCN: '比特币', enUS: 'Bitcoin' }, coinSymbol: '₿' },
-  ETH: { coinCode: 'ETH', coinIname: { zhCN: '以太币', enUS: 'Ethereum' }, coinSymbol: 'Ξ' },
-  LTC: { coinCode: 'LTC', coinIname: { zhCN: '莱特币', enUS: 'Litecoin' }, coinSymbol: 'Ł' },
-  DOGE: { coinCode: 'DOGE', coinIname: { zhCN: '狗狗币', enUS: 'Dogecoin' }, coinSymbol: 'Ð' },
-  USDT: { coinCode: 'USDT', coinIname: { zhCN: '美元泰达币', enUS: 'USD Tether' }, coinSymbol: 'USD₮' },
-  EURT: { coinCode: 'EURT', coinIname: { zhCN: '欧元泰达币', enUS: 'EUR Tether' }, coinSymbol: 'EUR₮' },
+  TIC: { coinCode: 'TIC', coinIname: { zhCN: '时光币', enUS: 'Timecoin' }, coinSymbol: 'τ', coinPrecision: 18 },
+  PEX: { coinCode: 'PEX', coinIname: { zhCN: '永存币', enUS: 'Pexcoin' }, coinSymbol: 'ε', coinPrecision: 18 },
+  BTC: { coinCode: 'BTC', coinIname: { zhCN: '比特币', enUS: 'Bitcoin' }, coinSymbol: '₿', coinPrecision: 8 },
+  ETH: { coinCode: 'ETH', coinIname: { zhCN: '以太币', enUS: 'Ethereum' }, coinSymbol: 'Ξ', coinPrecision: 18 },
+  LTC: { coinCode: 'LTC', coinIname: { zhCN: '莱特币', enUS: 'Litecoin' }, coinSymbol: 'Ł', coinPrecision: 8 },
+  DOGE: { coinCode: 'DOGE', coinIname: { zhCN: '狗狗币', enUS: 'Dogecoin' }, coinSymbol: 'Ð', coinPrecision: 8 },
+  USDT: { coinCode: 'USDT', coinIname: { zhCN: '美元泰达币', enUS: 'USD Tether' }, coinSymbol: 'USD₮', coinPrecision: 6 },
+  EURT: { coinCode: 'EURT', coinIname: { zhCN: '欧元泰达币', enUS: 'EUR Tether' }, coinSymbol: 'EUR₮', coinPrecision: 6 },
 }
diff --git a/i18n.js b/i18n.js
index 3738489..f806226 100644
--- a/i18n.js
+++ b/i18n.js
@@ -1,7 +1,7 @@
 module.exports = {
   langSet: require('./i18n-languages.js'),
   landSet: require('./i18n-lands.js'),
-  currencySet: require('./i18n-currencies.js'),
+  bankcoinSet: require('./i18n-bankcoins.js'),
   cryptocoinSet: require('./i18n-cryptocoins.js'),
   i18tool: require('./i18n-tool.js'),
 }