fix

examcloud-core-oe-admin-service/src/main/java/cn/com/qmth/examcloud/core/oe/admin/service/impl/ExportTaskServiceImpl.java

@@ -296,14 +296,14 @@ public class ExportTaskServiceImpl implements ExportTaskService {
 		e.setStatus(ExportTaskStatus.TERMINATING);
 		exportTaskRepo.save(e);
 		String key = CacheConstants.CACHE_OE_EXPORT_TASK_STOP + e.getId();
-		redisClient.set(key, e.getId(), cacheTimeOut);
+		redisClient.set(key, key, cacheTimeOut);
 	}
 	
 	@Override
 	public void checkStopExportTaskById(Long taskId) {
 		String key = CacheConstants.CACHE_OE_EXPORT_TASK_STOP + taskId;
-		Long id=redisClient.get(key,Long.class);
-		if(id!=null) {
+		String ob=redisClient.get(key,String.class);
+		if(ob!=null) {
 			redisClient.delete(key);
 			throw new ExportTaskStopException();
 		}