rename cache keys.

examcloud-core-examwork-service/src/main/java/cn/com/qmth/examcloud/core/examwork/service/impl/ExamServiceImpl.java

@@ -150,7 +150,7 @@ public class ExamServiceImpl implements ExamService {
         }
 
         // 上锁
-        Object[] locker = new Object[]{"E_EXAM_SAVE_EXAM", rootOrgId, code};
+        Object[] locker = new Object[]{CacheConstants.LOCK_E_EXAM_SAVE, rootOrgId, code};
         SequenceLockHelper.getLock(locker);
 
         GetOrgReq getOrgReq = new GetOrgReq();
@@ -483,7 +483,7 @@ public class ExamServiceImpl implements ExamService {
         }
 
         // 上锁
-        Object[] locker = new Object[]{"E_EXAM_SPECIAL_SETTINGS", examId, "ORG" + orgId,
+        Object[] locker = new Object[]{CacheConstants.LOCK_E_EXAM_SPECIAL_SETTINGS, examId, "ORG" + orgId,
                 "COURSE" + courseId, "Student" + studentId};
         SequenceLockHelper.getLock(locker);