diff --git a/docs/en/administrator-guide/outfile.md b/docs/en/administrator-guide/outfile.md
index 3b5dfe396a..6010d30830 100644
--- a/docs/en/administrator-guide/outfile.md
+++ b/docs/en/administrator-guide/outfile.md
@@ -300,41 +300,6 @@ Planning example for concurrent export:
 
     **But because the query statement has a top-level sorting node, even if the query is enabled for concurrently exported session variables, it cannot be exported concurrently.**
 
-8. Example 8
-
-    Use hdfs to export and export the simple query results to the file `hdfs://path/to/result.txt`. Specify the export format as csv.
-
-    ```
-    select * from tbl
-    into outfile "hdfs://path/to/result_"
-    format as csv
-    properties
-    (
-        "hdfs.fs.defaultfs" = "hdfs://namenode:port",
-    );
-    ```
-
-9. Example 9
-
-    Export simple query results to the file `hdfs://path/to/result.txt`. Specify the export format as CSV. Use HDFS protocal directly and set kerberos authentication information.
-    
-    ```
-    SELECT * FROM tbl
-    INTO OUTFILE "hdfs://path/to/result_"
-    FORMAT AS CSV
-    PROPERTIES
-    (
-        "hdfs.fs.defaultFS" = "hdfs://namenode_ip:namenode_port",
-        "hdfs.hadoop.security.authentication" = "kerberos",
-        "hdfs.kerberos_principal" = "doris@YOUR.COM",
-        "hdfs.kerberos_keytab" = "/home/doris/my.keytab",
-        "max_file_size" = "100MB"
-    );
-    ```
-    
-    If the result is less than 100MB, file will be: `result_0.csv`.
-    
-    If larger than 100MB, may be: `result_0.csv, result_1.csv, ...`.
 ## Return result
 
 The command is a synchronization command. The command returns, which means the operation is over.
diff --git a/docs/zh-CN/administrator-guide/outfile.md b/docs/zh-CN/administrator-guide/outfile.md
index 52b83452af..668fd0dad8 100644
--- a/docs/zh-CN/administrator-guide/outfile.md
+++ b/docs/zh-CN/administrator-guide/outfile.md
@@ -298,39 +298,6 @@ explain select xxx from xxx where xxx  into outfile "s3://xxx" format as csv pro
     ```
 
     **但由于查询语句带了一个顶层的排序节点，所以这个查询即使开启并发导出的 session 变量，也是无法并发导出的。**
-
-7. 示例7
-
-    使用 hdfs 方式导出，将简单查询结果导出到文件 `hdfs://path/to/result.txt`。指定导出格式为 csv。
-
-    ```
-    select * from tbl
-    into outfile "hdfs://path/to/result_"
-    format as csv
-    properties
-    (
-        "hdfs.fs.defaultfs" = "hdfs://namenode:port",
-    );
-    ```
-   
-
-8. 示例8
-
-    使用 hdfs 方式导出，将简单查询结果导出到文件 `hdfs://path/to/result.txt`。指定导出格式为 csv。使用并设置 kerberos 认证信息。
-
-    ```
-    select * from tbl
-    into outfile "hdfs://path/to/result_"
-    format as csv
-    properties
-    (
-        "hdfs.fs.defaultfs" = "hdfs://namenode:port",
-        "hdfs.hadoop.security.authentication" = "kerberos",
-        "hdfs.kerberos_principal" = "doris@your.com",
-        "hdfs.kerberos_keytab" = "/home/doris/my.keytab"
-    );
-    ```
-
     
 ## 返回结果
 
diff --git a/fe/fe-core/src/main/java/org/apache/doris/analysis/OutFileClause.java b/fe/fe-core/src/main/java/org/apache/doris/analysis/OutFileClause.java
index 05f1569f53..5c907cd942 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/analysis/OutFileClause.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/analysis/OutFileClause.java
@@ -408,7 +408,7 @@ public class OutFileClause {
         if (storageType == StorageBackend.StorageType.S3) {
             S3Storage.checkS3(new CaseInsensitiveMap(brokerProps));
         } else if (storageType == StorageBackend.StorageType.HDFS) {
-            HDFSStorage.checkHDFS(brokerProps);
+            HDFSStorage.checkHDFS(new CaseInsensitiveMap(brokerProps));
         }
 
         brokerDesc = new BrokerDesc(brokerName, storageType, brokerProps);
diff --git a/fe/fe-core/src/main/java/org/apache/doris/backup/HDFSStorage.java b/fe/fe-core/src/main/java/org/apache/doris/backup/HDFSStorage.java
index 394882862e..8544cf3a47 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/backup/HDFSStorage.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/backup/HDFSStorage.java
@@ -19,39 +19,15 @@ package org.apache.doris.backup;
 
 import org.apache.doris.common.UserException;
 
-import java.util.Arrays;
-import java.util.HashSet;
 import java.util.Map;
-import java.util.Set;
 
 // TODO: extend BlobStorage
 public class HDFSStorage {
     public static final String HDFS_DEFAULT_FS = "fs.defaultFS";
-    public static final String USER = "hdfs_user";
-    public static final String NAME_SERVICES = "dfs.nameservices";
-    public static final String NAME_NODES = "dfs.ha.namenodes";
-    public static final String RPC_ADDRESS = "dfs.namenode.rpc-address";
-    public static final String FAILOVER_PROXY = "dfs.client.failover.proxy.provider";
-    public static final String AUTHENTICATION = "hadoop.security.authentication";
-    public static final String KERBEROS_PRINCIPAL = "kerberos_principal";
-    public static final String KERB_TICKET_CACHE_PATH = "kerb_ticket_cache_path";
-    public static final String TOKEN = "token";
-
-    public static Set<String> keySets = new HashSet<>(Arrays.asList(HDFS_DEFAULT_FS, USER,
-            NAME_SERVICES, NAME_NODES, RPC_ADDRESS, FAILOVER_PROXY,
-            AUTHENTICATION,
-            KERBEROS_PRINCIPAL, KERB_TICKET_CACHE_PATH,
-            TOKEN));
-
 
     public static void checkHDFS(Map<String, String> properties) throws UserException {
         if (!properties.containsKey(HDFS_DEFAULT_FS)) {
             throw new UserException(HDFS_DEFAULT_FS + " not found. This is required field");
         }
-        for (String key : properties.keySet()) {
-            if (!keySets.contains(key)) {
-                throw new UserException("Unknown properties " + key);
-            }
-        }
     }
 }