diff --git a/pom.xml b/pom.xml
index d8555266..7fe2f6af 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>com.qcloud.cos</groupId>
     <artifactId>hadoop-cos</artifactId>
-    <version>8.1.2</version>
+    <version>8.1.3</version>
     <packaging>jar</packaging>
 
     <name>Apache Hadoop Tencent Cloud COS Support</name>
diff --git a/src/main/java/org/apache/hadoop/fs/CosFileSystem.java b/src/main/java/org/apache/hadoop/fs/CosFileSystem.java
index 4967a016..f85547ee 100644
--- a/src/main/java/org/apache/hadoop/fs/CosFileSystem.java
+++ b/src/main/java/org/apache/hadoop/fs/CosFileSystem.java
@@ -122,6 +122,7 @@ public void initialize(URI uri, Configuration conf) throws IOException {
                 this.nativeStore.close();
                 this.nativeStore = null;
             } else if (this.actualImplFS instanceof CosNFileSystem) {
+                this.nativeStore.isPosixBucket(true);
                 ((CosNFileSystem) this.actualImplFS).withStore(this.nativeStore).withBucket(bucket)
                         .withPosixBucket(isPosixFSStore).withRangerCredentialsClient(rangerCredentialsClient);
             } else {
@@ -132,6 +133,7 @@ public void initialize(URI uri, Configuration conf) throws IOException {
             }
         } else { // normal cos hadoop file system implements
             this.actualImplFS = getActualFileSystemByClassName("org.apache.hadoop.fs.CosNFileSystem");
+            this.nativeStore.isPosixBucket(false);
             ((CosNFileSystem) this.actualImplFS).withStore(this.nativeStore).withBucket(bucket)
                     .withPosixBucket(this.isPosixFSStore).withRangerCredentialsClient(rangerCredentialsClient);
         }
diff --git a/src/main/java/org/apache/hadoop/fs/CosNConfigKeys.java b/src/main/java/org/apache/hadoop/fs/CosNConfigKeys.java
index 82a5099f..127f40e6 100644
--- a/src/main/java/org/apache/hadoop/fs/CosNConfigKeys.java
+++ b/src/main/java/org/apache/hadoop/fs/CosNConfigKeys.java
@@ -12,7 +12,7 @@
 @InterfaceStability.Unstable
 public class CosNConfigKeys extends CommonConfigurationKeys {
     public static final String USER_AGENT = "fs.cosn.user.agent";
-    public static final String DEFAULT_USER_AGENT = "cos-hadoop-plugin-v8.1.2";
+    public static final String DEFAULT_USER_AGENT = "cos-hadoop-plugin-v8.1.3";
 
     public static final String TENCENT_EMR_VERSION_KEY = "fs.emr.version";
 
diff --git a/src/main/java/org/apache/hadoop/fs/CosNativeFileSystemStore.java b/src/main/java/org/apache/hadoop/fs/CosNativeFileSystemStore.java
index a3826d3d..428eade2 100644
--- a/src/main/java/org/apache/hadoop/fs/CosNativeFileSystemStore.java
+++ b/src/main/java/org/apache/hadoop/fs/CosNativeFileSystemStore.java
@@ -1223,6 +1223,11 @@ public void close() {
         this.cosClient = null;
     }
 
+    @Override
+    public void isPosixBucket(boolean isPosixBucket) {
+        this.isPosixBucket = isPosixBucket;
+    }
+
     // process Exception and print detail
     private void handleException(Exception e, String key) throws IOException {
         String cosPath = "cosn://" + bucketName + key;
diff --git a/src/main/java/org/apache/hadoop/fs/NativeFileSystemStore.java b/src/main/java/org/apache/hadoop/fs/NativeFileSystemStore.java
index 071af6d1..1a5df8d9 100644
--- a/src/main/java/org/apache/hadoop/fs/NativeFileSystemStore.java
+++ b/src/main/java/org/apache/hadoop/fs/NativeFileSystemStore.java
@@ -112,5 +112,12 @@ CosNPartialListing list(String prefix, int maxListingLength,
      */
     void dump() throws IOException;
 
+    /**
+     * Used for outer to decide inner process.
+     * if you use the CosNFileSystem gateway mode,
+     * must set native store to posix process
+     */
+    void isPosixBucket(boolean isPosixBucket);
+
     void close();
 }