public void Refresh()
{
_cache.Clear();
Action <ScriptState> loopAction = l =>
{
var key = DataHelper.GetObject(l, -2);
var value = DataHelper.GetObject(l, -1);
_cache.Add(key, value);
};
LuaCore.ResetTop(_luaState, l => LuaCore.ForeachTable(l, _index, loopAction));
}