diff --git a/src/main/java/com/yipin/liuwanr/service/UserInfoService.java b/src/main/java/com/yipin/liuwanr/service/UserInfoService.java
index f382083..54c735e 100644
--- a/src/main/java/com/yipin/liuwanr/service/UserInfoService.java
+++ b/src/main/java/com/yipin/liuwanr/service/UserInfoService.java
@@ -453,7 +453,7 @@ public class UserInfoService {
 				List<Student> studentList = userInfoMapper.queryStudentAll(id,roleId,schoolId);
 				obj.put("studentList",studentList);
 				ValueOperations<String, String> redis = stringRedisTemplate.opsForValue();
-				redis.set(token,date, 30 * 60, TimeUnit.SECONDS);
+				redis.set(token,date, 24, TimeUnit.HOURS);
 				resp.put("retcode", 200);
 				resp.put("retvalue", obj);
 			}else {