selectedStyle don't work.

[lin493369]

selectedStyle don't work.
Follow is my code,i set the text color red,but it does not work,selectedIconStyle is work fine:

<Tabs selected={this.state.page}
                              selectedStyle={styles.selectedStyle}
                              onSelect={el=>this.setState({page:el.props.name})}
                              selectedIconStyle={styles.selectedIconStyle}
                              style={{top:0,height:tabHeight}}
                        >
                            <Text name="1" >日</Text>
                            <Text name="2" >周</Text>
                            <Text name="3" >月</Text>
                            <Text name="4" >年</Text>
                        </Tabs>

selectedStyle:{
      color:'red',
        fontSize:12
    },
    selectedIconStyle:{
        borderBottomWidth:2,
        borderBottomColor:'red',
        color:'red',
        height:tabHeight,
        // backgroundColor:'rgba(135,205,250,0.5)'
    },

"react": "16.0.0-alpha.12",
    "react-native": "0.45.1",
    "react-native-tabs": "^1.0.9",