How to navigate previous fragment without restarting it with NavController?

Question

My app flow A fragment to B fragment :

A -> B(findNavController().navigate(R.id.action_AFragment_to_BFragment))

When I press back arrow from B fragment :

A fragment not resume from resume state but it was restarted(findNavController().popBackStack())

here is my code:

<navigation xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/nav_graph"
    app:startDestination="@id/AFragment">

    <fragment
        android:id="@+id/AFragment"
        android:name=".AFragment"
        android:label="@string/a_fragment_label"
        tools:layout="@layout/fragment_a">

        <action
            android:id="@+id/action_AFragment_to_BFragment"
            app:popUpToSaveState="true"
            app:destination="@id/BFragment" />
    </fragment>
    <fragment
        android:id="@+id/BFragment"
        android:name=".BFragment"
        android:label="@string/b_fragment_label"
        tools:layout="@layout/fragment_b">

        <action
            android:id="@+id/action_BFragment_to_AFragment"
            app:popUpToSaveState="true"
            app:destination="@id/AFragment"
            app:popUpTo="@+id/AFragment"
            app:popUpToInclusive="false"/>

    </fragment>
</navigation>