diff --git a/pmapi/src/main/java/com/ningdatech/pmapi/user/manage/UserAuthManage.java b/pmapi/src/main/java/com/ningdatech/pmapi/user/manage/UserAuthManage.java
index f5c820d..a34675c 100644
--- a/pmapi/src/main/java/com/ningdatech/pmapi/user/manage/UserAuthManage.java
+++ b/pmapi/src/main/java/com/ningdatech/pmapi/user/manage/UserAuthManage.java
@@ -33,6 +33,9 @@ public class UserAuthManage {
     @SuppressWarnings({"rawtypes", "unchecked"})
     public void refreshSession(Long userId) {
         UserFullInfoDTO userFullInfo = userInfoHelper.getUserFullInfo(userId);
+        if (userFullInfo == null) {
+            return;
+        }
         List<String> sessionIds = getSessionIds(userFullInfo.getUsername());
         if (sessionIds.isEmpty()) {
             return;