diff --git a/kafka-manager-extends/kafka-manager-account/src/main/java/com/xiaojukeji/kafka/manager/account/component/sso/BaseSessionSignOn.java b/kafka-manager-extends/kafka-manager-account/src/main/java/com/xiaojukeji/kafka/manager/account/component/sso/BaseSessionSignOn.java
index 1ff36964..bf2d29dc 100644
--- a/kafka-manager-extends/kafka-manager-account/src/main/java/com/xiaojukeji/kafka/manager/account/component/sso/BaseSessionSignOn.java
+++ b/kafka-manager-extends/kafka-manager-account/src/main/java/com/xiaojukeji/kafka/manager/account/component/sso/BaseSessionSignOn.java
@@ -52,6 +52,8 @@ public class BaseSessionSignOn extends AbstractSingleSignOn {
 
         //判断是否激活了LDAP验证, 若激活则也可使用ldap进行认证
         if(!ValidateUtils.isNull(accountLdapEnabled) && accountLdapEnabled){
+            //基于LDAP的登陆用户忽略大小写账户，统一做大写处理
+            dto.setUsername(dto.getUsername().toUpperCase());
             //去LDAP验证账密
             if(!ldapAuthentication.authenticate(dto.getUsername(),dto.getPassword())){
                 return Result.buildFrom(ResultStatus.LDAP_AUTHENTICATION_FAILED);