Warning: Failed prop type: TabNavigator: prop type `tabBarStyle` is invalid;

import TabNavigator from 'react-native-tab-navigator';

render() {
    return (
      <TabNavigator tabBarStyle={{height: 49}}>
        {......}
      </TabNavigator>
    );
  }

Error：
Warning: Failed prop type: TabNavigator: prop type `tabBarStyle` is invalid; it must be a function, usually from the `prop-types` package, but received `undefined`.