diff --git a/urbanops-module-system/src/main/java/com/zteits/urbanops/module/system/service/permission/RoleServiceImpl.java b/urbanops-module-system/src/main/java/com/zteits/urbanops/module/system/service/permission/RoleServiceImpl.java
index e7fd52b..ca2dd9f 100644
--- a/urbanops-module-system/src/main/java/com/zteits/urbanops/module/system/service/permission/RoleServiceImpl.java
+++ b/urbanops-module-system/src/main/java/com/zteits/urbanops/module/system/service/permission/RoleServiceImpl.java
@@ -326,7 +326,7 @@ public class RoleServiceImpl implements RoleService {
     public List<Long> getUserIdsByRoleCode(String roleCode) {
         RoleDO roleDO = roleMapper.selectOne(RoleDO::getCode, roleCode);
         if (roleDO == null) {
-            return null;
+            return Collections.emptyList();
         }
         QueryWrapper<UserRoleDO> sql = new QueryWrapper<>();
         sql.select("user_id");