优化prompt review by 草莓

@@ -109,7 +109,7 @@ export default class Prompt extends Component {
             <Animated.View style={[styles.container, {opacity: this.state.fadeAnim,}]}>
                 <View style={customStyles.overlay}>
                     {this.props.icon ? <Image source={this.props.icon} style={customStyles.title}/> : null}
-                    <Text style={customStyles.text}>{this.props.text}</Text>
+                    {this.props.text ? <Text style={customStyles.text}>{this.props.text}</Text> : null}
                 </View>
             </Animated.View>
         );