diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysUserServiceImpl.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysUserServiceImpl.java
index d932b461e..3cb415937 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysUserServiceImpl.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysUserServiceImpl.java
@@ -99,7 +99,7 @@ public class SysUserServiceImpl implements ISysUserService, UserService {
                 w.in("u.dept_id", ids);
             }).orderByAsc("u.user_id");
         if (StringUtils.isNotBlank(user.getExcludeUserIds())) {
-            wrapper.notIn("u.user_id", StringUtils.splitList(user.getExcludeUserIds()));
+            wrapper.notIn("u.user_id", StringUtils.splitTo(user.getExcludeUserIds(), Convert::toLong));
         }
         return wrapper;
     }