获取活检开始时间失败，退出

src/features/OnlineExam/Examing/ExamingHome.vue

@@ -377,7 +377,7 @@ export default {
         exam === undefined ||
         paperStruct === undefined ||
         examQuestionListData === undefined ||
-        (faceLivenessEnabled && initFaceLivenessResult === null)
+        (faceLivenessEnabled && initFaceLivenessResult === false)
       ) {
         console.log({
           weixinAnswerEnabled,