为啥我的main.lua里面调不到我注册的test_C_tolua函数呢，测试平台cocos2dx3.2

int test_C_tolua(lua_State *L)

{

    int number = lua_tonumber(L, 1);



    number = number + 1;



    lua_pushnumber(L, number);



    return 1;

}

bool AppDelegate::applicationDidFinishLaunching()

{

    auto engine = LuaEngine::getInstance();

    ScriptEngineManager::getInstance()->setScriptEngine(engine);

    LuaStack* stack = engine->getLuaStack();

    stack->setXXTEAKeyAndSign("2dxLua", strlen("2dxLua"), "XXTEA", strlen("XXTEA"));

    lua_State *L = stack->getLuaState();

    lua_register(L, "test_C_tolua", test_C_tolua);



    if (engine->executeScriptFile("src/main.lua")) {

        return false;

    }



    return true;

}