diff --git a/fe/fe-common/src/main/java/org/apache/doris/common/security/authentication/HadoopUGI.java b/fe/fe-common/src/main/java/org/apache/doris/common/security/authentication/HadoopUGI.java
index 43c19fb1a3f405..342f86b71259e6 100644
--- a/fe/fe-common/src/main/java/org/apache/doris/common/security/authentication/HadoopUGI.java
+++ b/fe/fe-common/src/main/java/org/apache/doris/common/security/authentication/HadoopUGI.java
@@ -73,6 +73,7 @@ private static UserGroupInformation loginWithUGI(AuthenticationConfig config) {
             String hadoopUserName = ((SimpleAuthenticationConfig) config).getUsername();
             if (hadoopUserName == null) {
                 hadoopUserName = "hadoop";
+                ((SimpleAuthenticationConfig) config).setUsername(hadoopUserName);
                 LOG.debug(AuthenticationConfig.HADOOP_USER_NAME + " is unset, use default user: hadoop");
             }
             ugi = UserGroupInformation.createRemoteUser(hadoopUserName);
diff --git a/fe/fe-common/src/main/java/org/apache/doris/common/security/authentication/SimpleAuthenticationConfig.java b/fe/fe-common/src/main/java/org/apache/doris/common/security/authentication/SimpleAuthenticationConfig.java
index 57bb7887372609..d202417afc8e33 100644
--- a/fe/fe-common/src/main/java/org/apache/doris/common/security/authentication/SimpleAuthenticationConfig.java
+++ b/fe/fe-common/src/main/java/org/apache/doris/common/security/authentication/SimpleAuthenticationConfig.java
@@ -18,7 +18,6 @@
 package org.apache.doris.common.security.authentication;
 
 import lombok.Data;
-import org.apache.commons.lang3.StringUtils;
 
 @Data
 public class SimpleAuthenticationConfig extends AuthenticationConfig {
@@ -26,6 +25,6 @@ public class SimpleAuthenticationConfig extends AuthenticationConfig {
 
     @Override
     public boolean isValid() {
-        return StringUtils.isNotEmpty(username);
+        return true;
     }
 }