<wx-open-launch-weapp
                id="launch-btn"
                username="gh_018d3bf2cf84"
                :path="miniprogramPath"
                v-if="deviceStatus"
                @error="handleErrorFn" 
                @launch="handleLaunchFn"
                >
                <script type="text/wxtag-template">
                    <style>.weapp-click-btn { display: flex;justify-content:center;margin:0 auto;text-align:center; align-items: center;height:2.75rem;width:100%;color: #fff;background-color: rgba(71,71,71,.12); font-size:1.125rem;border:none;border-radius: 2.75rem}style>                                    
                   <div class="weapp-btn" style="width:100%">
                      <button class="weapp-click-btn">下一步button>  
                   div>
                script>
            wx-open-launch-weapp>