feat: NG-15: 新会员注册时增加国家与语言选项.

common/helpers/user/Info.php

@@ -531,7 +531,7 @@ class Info {
     public static function generateWebName(string $countryId, int $length = 9) {
         // 名字前缀取国家简码
         $country = Countries::getById($countryId);
-        $prefix = $country ? $country['CODE'] :'NG';
+        $prefix = $country['CODE'] ?: 'NG';
 
         $result = Tool::randomString($length, $prefix).array_rand([0,1,2,3,5,6,7,8,9],1);
         if (substr($result ,-1) == '4'){