@if (iscall) {
<div class="loading-box">
  <div class="animation-loading">
    <div class="container">
      <span></span>
      <span></span>
      <span></span>
      <span></span>
    </div>
  </div>
  <div class="loading-title">正在呼叫</div>
  <div class="close" (click)="onCloseCall()">取消</div>
</div>
}