React Native WebView injectedJavaScript不生效

<WebView
    style={{width: width, height: height, marginBottom: 20}}
    source={{ uri: this.props.route.params.url }}
    injectedJavaScript={this.props.route.params.injectedJavaScript}
    javaScriptEnabled={true}
    domStorageEnabled={true}
    mixedContentMode={'compatibility'}
    onMessage={(event) => {
        console.log('event: ', event)
    }}
/>

解决办法：WebView配置上onMessage属性，injectedJavaScript注入的JS代码就生效了