React Redux组件不更新

我正在尝试使用React+Redux(SSR和Thunks)实现auth(注册/退出)。我不知道为什么Redux状态更新时组件没有更新。。。

这是应重新招标的组件:

class Navbar extends React.Component {
  constructor(props) {
    super(props);
    this.state = {
      loggedIn: props.authentication.loggedIn
    };
  }

  render() {
    let links = null;
    if (this.state.loggedIn) {
      links = ...
    } else {
      links = ...
    }

    return (<Toolbar>{links}</Toolbar>)
  }
}

const mapStateToProps = state => {
  return {
    authentication: state.authentication
  }
}

const mapDispatchToProps = dispatch => {
  return {
    signOut: () => {dispatch(userActions.logout())}
  }
}

const AuthNavbar = connect(mapStateToProps, mapDispatchToProps)(Navbar)
export default AuthNavbar;

这就是我的减速机:

const reducers = {
  authentication,
  registration,
  alert
}

const todoApp = combineReducers(reducers)
export default todoApp

身份验证缩减器:

const authentication = (state = initialState, action) => {
  switch (action.type) {
    ...
    case userConstants.LOGIN_SUCCESS:
      return Object.assign({}, state, {
        loggedIn: true,
        loggingIn: false,
        user: action.user
      });
    ...
    default:
      return state;
  }
}

操作-登录:

function login(email, password) {
  return dispatch => {
    dispatch({type: userConstants.LOGIN_REQUEST, email});
    userService.login(email, password).then(
        user => {
          dispatch({type: userConstants.LOGIN_SUCCESS, user});
        },
        error => {
          dispatch({ type: userConstants.LOGIN_FAILURE });
          dispatch({type: alertActions.error(error)});
        }
   );
  }
}

用户服务。登录是一个调用和api witch fetch的函数。 看起来操作应该被触发,Redux状态得到更新,但组件没有更新: 仔细检查Redux开发工具-状态确实得到更新,所以我使用connect实用程序的方式一定有问题?