feat: NG-15: 新会员注册时增加国家与语言选项.

frontendApi/modules/v1/controllers/UserController.php

@@ -618,6 +618,8 @@ class UserController extends BaseController {
         // 新会员的本地汇率
         $country = Countries::getById($countryId);
         $currencyRate = CurrencyConversions::getToUSDRate($country['LOCAL_CURRENCY_ID']);
+        // 新会员币种
+        $currency = Currency::getById($country['LOCAL_CURRENCY_ID']);
 
         // 会员账户
         $userBalance = [
@@ -628,7 +630,7 @@ class UserController extends BaseController {
         if ($userCash) {
             $userBalance['cash'] = $userCash['CASH'];
             $userBalance['localCash'] = Tool::convertAmount($userCash['CASH'], $decUserCurrencyRate, $currencyRate);
-            $userBalance['coin'] = $country['CODE'];
+            $userBalance['coin'] = $currency['CODE'] ?? '';
         }
         // 行政区划
         $region = Region::getByCountryId($countryId);