image never show

[diadal]

image dont show up after q-zoom added

  <q-card-section class="col-5 flex flex-center">
          <q-zoom
        background-color="blue-grey-1"
      >
          <q-img
            class="rounded-borders"
            src="https://cdn.quasar.dev/img/parallax2.jpg"
          />
        </q-zoom>
        </q-card-section>
      </q-card-section>