重试faceid iframe

src/features/OnlineExam/Examing/FaceId.vue

@@ -359,6 +359,7 @@ export default {
         iframe.addEventListener("did-fail-load", () => {
           console.log("failed loading faceid iframe");
           clearTimeout(this.iframeDomReadyTimeout);
+          console.log(iframe);
           if (iframe.src.includes(".qmth.com.cn") === false) {
             this.showRedo("网络异常，请手动点击重试");
             window._hmt.push([