wzj-vue/public/static/flowable-modeler/editor-app/configuration/properties/form-reference-display-template.html

<div ng-controller="FlowableFormReferenceDisplayCtrl">
	<span ng-if="property.value && property.value.id">{{form.name}}</span>
	<span ng-if="!property.value || !property.value.id" translate>PROPERTY.FORMREFERENCE.EMPTY</span>
</div>