diff --git a/twe/func_converter.php b/twe/func_converter.php
index 2bc83dbe..102e36a6 100644
--- a/twe/func_converter.php
+++ b/twe/func_converter.php
@@ -240,6 +240,7 @@ function SpecCall($call) {
         case '의술':    $type = 73; break;
         case '격노':    $type = 74; break;
         case '척사':    $type = 75; break;
+        default: $type = 0; break;
     }
     return $type;
 }
diff --git a/twe/sammo/CityHelper.php b/twe/sammo/CityHelper.php
new file mode 100644
index 00000000..7f8d44a8
--- /dev/null
+++ b/twe/sammo/CityHelper.php
@@ -0,0 +1,74 @@
+<?php
+namespace sammo\Scenario;
+use \sammo\DB;
+
+class CityHelper{
+    //Just Helper
+    private static $list = null;
+    private static $listInv = null;
+    private static $listByNation  = null;
+
+    private function __construct(){
+
+    }
+
+    public static function flushCache(){
+        self::$list = null;
+        self::$listInv = null;
+        self::$listByNation = null;
+    }
+
+    public static function generateCache(){
+        $list = [];
+        $listInv = [];
+        $listByNation = [];
+        
+        foreach (DB::db()->query('SELECT `city` as `id`, `name`, `level`, `nation` from city') as $city) {
+            $list[$city['id']] = $city;
+            $listInv[$city['name']] = $city;
+
+            if(!key_exists($id, $listByNation)){
+                $listByNation[$id] = [];
+            }
+            $listByNation[$id][] = $city;
+        }
+
+        self::$list = $list;
+        self::$listInv = $listInv;
+        self::$listByNation = $listByNation;
+    }
+
+    public static function getAllCities(){
+        if(self::$list === null){
+            self::generateCache();
+        }
+
+        return self::$list;
+    }
+
+    public static function getAllNationCities(int $nationID){
+        if(self::$listByNation === null){
+            self::generateCache();
+        }
+
+        return self::$listByNation[$nationID];
+    }
+
+    public static function getCity(int $cityID){
+        if(self::$list === null){
+            self::generateCache();
+        }
+
+        return self::$list[$cityID];
+    }
+
+    public static function getCityByName(string $cityName){
+        if(self::$listInv === null){
+            self::generateCache();
+        }
+
+        return self::$listInv[$cityName];
+    }
+
+    
+}
\ No newline at end of file