bug fix

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

@@ -317,12 +317,12 @@ public class FaceBiopsyServiceImpl implements FaceBiopsyService {
     private String getErrorMsg(List<FaceBiopsyStepInfo> verifySteps) {
         for (FaceBiopsyStepInfo stepInfo : verifySteps) {
             //如果当前步骤为超时，则直接跳出循环
-            if ((stepInfo.getTimeout() != null && stepInfo.getTimeout())) {
+            if ((null != stepInfo.getTimeout() && stepInfo.getTimeout())) {
                 return "超时未完成";
             }
 
             //整个检测步骤中只要有一次失败，则认为整个活检失败
-            if (!stepInfo.getResult()) {
+            if (null!= stepInfo.getResult() && !stepInfo.getResult()) {
                 return stepInfo.getErrorMsg();
             }
         }