Php 自定义属性未显示在一步签出地址列表中

显示自定义属性“省”。值保存在“客户地址”、“报价地址”和“销售订单地址”表中

setup>Upgrade.php 受保护的函数\u addAttributes（$setup） {

fieldset.xml

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:DataObject/etc/fieldset.xsd">
<scope id="global">
    <fieldset id="customer_address">
        <field name="province">
           <aspect name="to_quote_address" />
        </field>
    </fieldset>
    <fieldset id="sales_convert_quote_address">
        <field name="extension_attributes">
            <aspect name="to_customer_address" />
            <aspect name="to_order_address" />
        </field>
    </fieldset>
    <fieldset id="sales_convert_order_address">
        <field name="extension_attributes">
             <aspect name="to_quote_address" />
        </field>
    </fieldset>
</scope>

并在步骤Checkout address上的magento2中显示值

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:DataObject/etc/fieldset.xsd">
<scope id="global">
    <fieldset id="customer_address">
        <field name="province">
           <aspect name="to_quote_address" />
        </field>
    </fieldset>
    <fieldset id="sales_convert_quote_address">
        <field name="extension_attributes">
            <aspect name="to_customer_address" />
            <aspect name="to_order_address" />
        </field>
    </fieldset>
    <fieldset id="sales_convert_order_address">
        <field name="extension_attributes">
             <aspect name="to_quote_address" />
        </field>
    </fieldset>
</scope>

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Event/etc/events.xsd">

<event name="sales_quote_address_save_after">
  <observer name="iversa_customaddress_observer_address" instance="Iversa\CustomAddress\Observer\Address" />
</event>
<event name="sales_order_address_save_after">
    <observer name="iversa_customaddress_observer_address" instance="Iversa\CustomAddress\Observer\Order\Address" shared="false" />
</event>
<event name="sales_quote_address_collection_load_before">
    <observer name="iversa_customaddress_observer_addresscollectionload" instance="Iversa\CustomAddress\Observer\AddressCollectionLoad" shared="false" />
</event>
<event name="sales_order_address_collection_load_before">
    <observer name="iversa_customaddress_observer_order_addresscollectionload" instance="Iversa\CustomAddress\Observer\Order\AddressCollectionLoad" shared="false" />
</event>
</config>