问React-Native + Mobx + React导航:错误: MobX注入器:存储'...‘不可用！确保它是由某个提供商提供的

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import React from 'react';
import {StyleSheet, View, Text} from "react-native";

import Navigation from './Navigation/Navigation';
import FilmStore from './Stores/FilmStore';

export default class App extends React.Component {
    constructor(props){
        super(props);
    }

    render() {
        return (
            <View>
                <Text>{FilmStore.test}</Text>
                <Navigation filmStore={FilmStore} />
            </View>
        );
    }
}

import { createStackNavigator } from 'react-navigation';

// Views
import Search from '../Components/Search'
import FilmDetail from "../Components/FilmDetail";

const SearchStackNavigator = createStackNavigator({
    Search: {
        screen: Search,
        navigationOptions: {
            title: 'Rechercher'
        }
    },
    FilmDetail: {
        screen: FilmDetail,
        navigationOptions: {
            title: 'Détail'
        }
    },
});

export default SearchStackNavigator;

import React from 'react'
import Moment from 'moment';
import { observer, inject } from 'mobx-react';

import {StyleSheet, View, Text, ActivityIndicator, ScrollView, Image, Button} from 'react-native'
import {getDetail, getImageURI} from "../API/TMDBApi";

@inject('filmStore')

@observer
class FilmDetail extends React.Component {

    constructor(props){
        super(props);
        console.log(props);
    }

    render() {
        return (
            <View>
            </View>
        )
    }
}

export default FilmDetail