fix

examcloud-core-oe-student-service/src/main/java/cn/com/qmth/examcloud/core/oe/student/service/impl/ExamControlServiceImpl.java

@@ -565,7 +565,7 @@ public class ExamControlServiceImpl implements ExamControlService {
             } else {// 非新活检，默认使用旧的活检计算方式
                 faceVerifyMinute = examFaceLivenessVerifyService.getFaceLivenessVerifyMinute(
                         examSessionInfo.getRootOrgId(), examSessionInfo.getOrgId(), examSessionInfo.getExamId(),
-                        studentId, examSessionInfo.getExamRecordDataId(), examSessionInfo.getHeartbeat());
+                        studentId, examSessionInfo.getExamRecordDataId(), examSessionInfo.getCost().intValue()/60);
             }
 
             checkExamInProgressInfo.setFaceVerifyMinute(faceVerifyMinute);