新活检同步代码 bug fix

examcloud-core-oe-task-service/src/main/java/cn/com/qmth/examcloud/core/oe/task/service/pipeline/SyncExamDataExecutor.java

@@ -176,6 +176,10 @@ public class SyncExamDataExecutor implements NodeExecuter<Long, ExamRecordData,
 
         GetFaceBiopsyResp resp = examRecordDataCloudService.getFaceBiopsy(req);
 
+        if (null == resp.getFaceBiopsyBean()) {
+            return null;
+        }
+
         cn.com.qmth.examcloud.core.oe.student.api.bean.FaceBiopsyBean faceBiopsyBean = resp.getFaceBiopsyBean();
 
         FaceBiopsyBean bean = new FaceBiopsyBean();