bug fix

themis-business/src/main/java/com/qmth/themis/business/service/impl/TEExamActivityServiceImpl.java

@@ -231,6 +231,7 @@ public class TEExamActivityServiceImpl extends ServiceImpl<TEExamActivityMapper,
                 hardwareTest = new ArrayList<>();
             }
             hardwareTest.add(HardwareTestEnum.CAMERA.name());
+            teExamActivityDto.setHardwareTest(hardwareTest);
         } else {
             teExamActivityDto.setMonitorVideoSource(null);
         }