update

src/components/input/FSwitch.tsx

@@ -12,7 +12,7 @@ export default function FSwitch(props: { color: string, checked: boolean, onChan
     },[props.checked])
 
     if (process.env.TARO_ENV == 'rn') {
-        return <RNSwitch className="myswitch" trackColor={{ true: props.color }}
+        return <RNSwitch className="myswitch" trackColor={{ true: props.color,false:'#fff' }}
             value={props.checked}
             onChange={(e) => {
                 props.onChange(e.nativeEvent.value)