fix bug

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

@@ -107,7 +107,8 @@ public class TempleteLogicServiceImpl implements TempleteLogicService {
         if (Objects.equals(modeEnum, ExamModeEnum.ANYTIME)) {
             Iterator iterator = teExamActivityMap.entrySet().iterator();
             while (iterator.hasNext()) {
-                Map m = (Map) iterator.next();
+                Map.Entry<String, Map> entry = (Map.Entry<String, Map>) iterator.next();
+                Map m = entry.getValue();
                 m = SystemConstant.timeTransform(m);
                 teExamActivity = gson.fromJson(gson.toJson(m), TEExamActivity.class);
             }