confused about viaTable()

What steps will reproduce the problem?

for example I have three tables. order , item , order_item

Class Order extends ActiveRecord
{
    public function getItems()
    {
        return $this->hasMany(Item::className(), ['id' => 'item_id'])
            ->viaTable('order_item', ['order_id' => 'id']);
    }
}
Order::findOne(1)

The querys
1.select * from order where id=1;
2.select * from order_item where order_id = 1;(empty result)
3.select * from item where 0=1; (why have this? );
I looked the source code

What is the expected result?

What do you get instead?

Additional info

Start with the viaTable() relationship shown in the issue and inspect the related Active Record query path. Reproduce the three queries with the provided Order, Item, and order_item tables, then determine whether the empty junction result and the item query using 0=1 are expected behavior or a bug.