<!-- 智能客服 -->
<view class="contact-container" a:if="{{componentData && componentData.componentExtInfo}}">
  <contact-button 
    tnt-inst-id="{{componentData.componentExtInfo.tntInstId}}"
    scene="{{componentData.componentExtInfo.scene}}" 
    color="{{componentData.componentExtInfo.btnColor}}"
    size="{{componentData.componentExtInfo.btnSize || 50}}"
    alipay-card-no="{{alipayUid}}"
    icon="{{componentData.componentExtInfo.btnIcon ? (componentData.componentExtInfo.btnIcon.length==32 ? imgSrcPrefix + componentData.componentExtInfo.btnIcon : componentData.componentExtInfo.btnIcon) : icon}}" />
</view>