How to use the vant.Popup.name function in vant

this.init()
    },
    onExchange() {
      this.$toast("兑换暂不支持");
    }    
  },

  components: {
    [Toast.name]: Toast ,
    [SubmitBar.name]: SubmitBar,
    [Card.name]: Card,
    [Field.name]: Field,
    [Tag.name]: Tag,
    [CouponCell.name]: CouponCell,
    [CouponList.name]: CouponList,
    [Popup.name]: Popup
  }
};

});
        });

        specifications.push({
          k: v.name,
          v: values,
          k_s: 's' + (~~k + 1)
        });
      });

      return specifications;
    }
  },

  components: {
    [Popup.name]: Popup,
    [Swipe.name]: Swipe,
    [SwipeItem.name]: SwipeItem,
    [Sku.name]: Sku,
    [GoodsAction.name]: GoodsAction,
    [GoodsActionButton.name]: GoodsActionButton,
    [GoodsActionIcon.name]: GoodsActionIcon,
    [popupProps.name]: popupProps
  }
};

tel: "13000000000",
                    id: 0
                }
            ],
            allCoach: 0,
            havePage: false,
            productId: [],
            addressData: [],
            orderData: [],
            addressInfo: {}
        };
    },
    components: {
        [NavBar.name]: NavBar,
        [Dialog.name]: Dialog,
        [Popup.name]: Popup,
        [Card.name]: Card,
        [SubmitBar.name]: SubmitBar,
        [Cell.name]: Cell,
        [CellGroup.name]: CellGroup,
        [ContactList.name]: ContactList,
        [Toast.name]: Toast
    },
    computed: {
        cardType() {
            return this.chosenContactId !== null ? "edit" : "add";
        },

        currentContact() {
            const id = this.chosenContactId;
            return id !== null ? this.list.filter(item => item.id === id)[0] : {};
        },

data.selectedSkuComb.sku_str = data.selectedSkuComb.props_str_arr
          .map(str => str.match(/[^:]*:([^:]*)/)[1])
          .join(',');
      } else {
        data.selectedSkuComb = {};
      }
      return data;
    },
    skuClick() {
      this.isSkuBuy = false;
      this.showSku = true;
    }
  },
  components: {
    [Sku.name]: Sku,
    [Popup.name]: Popup
  }
};

<style lang="scss"></style>

<style lang="scss"></style>

loginOut() {
      authLogout().then(res => {
        removeLocalStorage('Authorization')
        removeLocalStorage('avatar')
        removeLocalStorage('nickName')
        this.$router.push({ name: 'home' });
      });

    }
  },

  components: {
    [Button.name]: Button,
    [Uploader.name]: Uploader,
    [Picker.name]: Picker,
    [Popup.name]: Popup
  }
};