diff --git a/ruoyi-bussiness/src/main/java/com/ruoyi/cms/service/impl/AppUserServiceImpl.java b/ruoyi-bussiness/src/main/java/com/ruoyi/cms/service/impl/AppUserServiceImpl.java
index 36f878b..d929595 100644
--- a/ruoyi-bussiness/src/main/java/com/ruoyi/cms/service/impl/AppUserServiceImpl.java
+++ b/ruoyi-bussiness/src/main/java/com/ruoyi/cms/service/impl/AppUserServiceImpl.java
@@ -58,7 +58,10 @@ public class AppUserServiceImpl extends ServiceImpl<AppUserMapper,AppUser> imple
     public AppUser selectAppUserByUserId(Long userId)
     {
         AppUser appUser = appUserMapper.selectById(userId);
-        if(appUser != null && StringUtils.isNotEmpty(appUser.getJobTitleId())){
+        if (appUser == null) {
+            return null;
+        }
+        if(StringUtils.isNotEmpty(appUser.getJobTitleId())){
             List<String> list = Arrays.asList(appUser.getJobTitleId().split(","));
             List<Long> collect = list.stream().map(Long::valueOf).collect(Collectors.toList());
             List<JobTitle> jobs = jobTitleMapper.selectBatchIds(collect);