diff --git a/servers/boe-server-all/src/main/java/com/xboe/school/study/api/StudyExamApi.java b/servers/boe-server-all/src/main/java/com/xboe/school/study/api/StudyExamApi.java
index 9a124e16..a5a9b603 100644
--- a/servers/boe-server-all/src/main/java/com/xboe/school/study/api/StudyExamApi.java
+++ b/servers/boe-server-all/src/main/java/com/xboe/school/study/api/StudyExamApi.java
@@ -72,17 +72,17 @@ public class StudyExamApi extends ApiBaseController{
 			token = request.getHeader("token");
 		}
 		try {
-//			String key =   exam.getStudyId() + "_" + exam.getContentId();
+			String key =   exam.getStudyId() + "_" + exam.getContentId();
 			//判断是否存在redis
-//			if(StringUtils.isNotEmpty(redisTemplate.opsForValue().get(key))){
-//				log.info("------------试卷提交验证中，请等待！ ");
-//				return error("","试卷提交验证中，请等待");
-//			}
-//			//加入redis 2分钟过期
-//			redisTemplate.opsForValue().set(key,key);
-//			//设置过期时间为1天
-//			redisTemplate.expire(key, 5 * 60, TimeUnit.SECONDS);
-//			log.info("------------设置redis-key ，请等待！  " + LocalDateTime.now() + ", key = " + redisTemplate.opsForValue().get(key));
+			if(StringUtils.isNotEmpty(redisTemplate.opsForValue().get(key))){
+				log.info("------------试卷提交验证中，请等待！ ");
+				return error("","试卷提交验证中，请等待");
+			}
+			//加入redis 2分钟过期
+			redisTemplate.opsForValue().set(key,key);
+			//设置过期时间为1天
+			redisTemplate.expire(key, 5 * 60, TimeUnit.SECONDS);
+			log.info("------------设置redis-key ，请等待！  " + LocalDateTime.now() + ", key = " + redisTemplate.opsForValue().get(key));
 
 
 			CurrentUser cu=getCurrent();
@@ -99,7 +99,7 @@ public class StudyExamApi extends ApiBaseController{
 			exam.setPaperJson("");
 
 			//执行完毕 清除redis记录
-//			redisTemplate.delete(key);
+			redisTemplate.delete(key);
 			List<StudyCourse> allUserList = thirdApi.getStudyCourseList(exam.getStudyId() ,exam.getCourseId(), token);
 			log.info("在线课学习记录"+allUserList);
 			return success(exam);