wzj-vue/public/static/flowable-modeler/editor-app/configuration/properties/process-historylevel-property-write-template.html

<div ng-controller="FlowableProcessHistoryLevelCtrl">
    <select ng-model="property.value" ng-change="historyLevelChanged()">
    	<option></option>
    	<option>none</option>
    	<option>activity</option>
    	<option>audit</option>
    	<option>full</option>
    </select>
</div>