diff --git a/README.md b/README.md
index f629ff4..38a88f8 100644
--- a/README.md
+++ b/README.md
@@ -10,14 +10,14 @@ The official Java library for accessing ModelArk on Volcengine and BytePlus. It
 <dependency>
     <groupId>com.volcengine</groupId>
     <artifactId>ark-runtime</artifactId>
-    <version>0.14.0</version>
+    <version>0.15.0</version>
 </dependency>
 ```
 
 ### Gradle
 
 ```groovy
-implementation 'com.volcengine:ark-runtime:0.14.0'
+implementation 'com.volcengine:ark-runtime:0.15.0'
 ```
 
 ## Choose Volcengine or BytePlus
diff --git a/VERSION b/VERSION
index a803cc2..a551051 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.14.0
+0.15.0
diff --git a/pom.xml b/pom.xml
index aeb66a3..bcbabe3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>com.volcengine</groupId>
     <artifactId>ark-runtime</artifactId>
-    <version>0.14.0</version>
+    <version>0.15.0</version>
     <packaging>jar</packaging>
 
     <name>ark-runtime</name>
diff --git a/src/main/java/com/volcengine/ark/runtime/models/file/FileObject.java b/src/main/java/com/volcengine/ark/runtime/models/file/FileObject.java
index 92c89e9..f31b134 100644
--- a/src/main/java/com/volcengine/ark/runtime/models/file/FileObject.java
+++ b/src/main/java/com/volcengine/ark/runtime/models/file/FileObject.java
@@ -39,6 +39,7 @@
   FileObject.JSON_PROPERTY_EXPIRE_AT,
   FileObject.JSON_PROPERTY_STATUS,
   FileObject.JSON_PROPERTY_DOWNLOAD_URL,
+  FileObject.JSON_PROPERTY_TOS,
   FileObject.JSON_PROPERTY_ERROR,
   FileObject.JSON_PROPERTY_PREPROCESS_CONFIGS
 })
@@ -125,6 +126,10 @@ public static ObjectEnum fromValue(String value) {
   @javax.annotation.Nullable
   private String downloadUrl;
 
+  public static final String JSON_PROPERTY_TOS = "tos";
+  @javax.annotation.Nullable
+  private TosLocation tos;
+
   public static final String JSON_PROPERTY_ERROR = "error";
   @javax.annotation.Nullable
   private FileError error;
@@ -436,6 +441,31 @@ public void setDownloadUrl(@javax.annotation.Nullable String downloadUrl) {
     this.downloadUrl = downloadUrl;
   }
 
+  public FileObject tos(@javax.annotation.Nullable TosLocation tos) {
+
+    this.tos = tos;
+    return this;
+  }
+
+  /**
+   * Stored object location. Only returned for files in user-owned TOS buckets.
+   * @return tos
+   */
+  @javax.annotation.Nullable
+  @JsonProperty(value = JSON_PROPERTY_TOS, required = false)
+  @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+
+  public TosLocation getTos() {
+    return tos;
+  }
+
+
+  @JsonProperty(value = JSON_PROPERTY_TOS, required = false)
+  @JsonInclude(value = JsonInclude.Include.USE_DEFAULTS)
+  public void setTos(@javax.annotation.Nullable TosLocation tos) {
+    this.tos = tos;
+  }
+
   public FileObject error(@javax.annotation.Nullable FileError error) {
 
     this.error = error;
@@ -508,13 +538,14 @@ public boolean equals(Object o) {
         Objects.equals(this.expireAt, fileObject.expireAt) &&
         Objects.equals(this.status, fileObject.status) &&
         Objects.equals(this.downloadUrl, fileObject.downloadUrl) &&
+        Objects.equals(this.tos, fileObject.tos) &&
         Objects.equals(this.error, fileObject.error) &&
         Objects.equals(this.preprocessConfigs, fileObject.preprocessConfigs);
   }
 
   @Override
   public int hashCode() {
-    return Objects.hash(_object, id, purpose, model, description, filename, bytes, mimeType, createdAt, expireAt, status, downloadUrl, error, preprocessConfigs);
+    return Objects.hash(_object, id, purpose, model, description, filename, bytes, mimeType, createdAt, expireAt, status, downloadUrl, tos, error, preprocessConfigs);
   }
 
   @Override
@@ -533,6 +564,7 @@ public String toString() {
     sb.append("    expireAt: ").append(toIndentedString(expireAt)).append("\n");
     sb.append("    status: ").append(toIndentedString(status)).append("\n");
     sb.append("    downloadUrl: ").append(toIndentedString(downloadUrl)).append("\n");
+    sb.append("    tos: ").append(toIndentedString(tos)).append("\n");
     sb.append("    error: ").append(toIndentedString(error)).append("\n");
     sb.append("    preprocessConfigs: ").append(toIndentedString(preprocessConfigs)).append("\n");
     sb.append("}");
@@ -607,6 +639,10 @@ public FileObject.Builder downloadUrl(String downloadUrl) {
       this.instance.downloadUrl = downloadUrl;
       return this;
     }
+    public FileObject.Builder tos(TosLocation tos) {
+      this.instance.tos = tos;
+      return this;
+    }
     public FileObject.Builder error(FileError error) {
       this.instance.error = error;
       return this;
@@ -661,6 +697,7 @@ public FileObject.Builder toBuilder() {
       .expireAt(getExpireAt())
       .status(getStatus())
       .downloadUrl(getDownloadUrl())
+      .tos(getTos())
       .error(getError())
       .preprocessConfigs(getPreprocessConfigs());
   }
diff --git a/src/main/java/com/volcengine/ark/runtime/models/file/TosLocation.java b/src/main/java/com/volcengine/ark/runtime/models/file/TosLocation.java
new file mode 100644
index 0000000..b86985a
--- /dev/null
+++ b/src/main/java/com/volcengine/ark/runtime/models/file/TosLocation.java
@@ -0,0 +1,190 @@
+// Copyright (c) 2026 ByteDance Ltd. and/or its affiliates.
+// SPDX-License-Identifier: Apache-2.0
+
+/*
+ * Ark File API
+ * No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)
+ *
+ * The version of the OpenAPI document: 0.1.0
+ *
+ *
+ * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+ * https://openapi-generator.tech
+ * Do not edit the class manually.
+ */
+
+
+package com.volcengine.ark.runtime.models.file;
+
+import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonPropertyOrder;
+import java.util.Objects;
+
+/**
+ * Location of a file stored in a user-owned TOS bucket.
+ */
+@JsonPropertyOrder({
+  TosLocation.JSON_PROPERTY_BUCKET,
+  TosLocation.JSON_PROPERTY_OBJECT_KEY
+})
+@javax.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "Generator version: 7.21.0")
+public class TosLocation {
+  public static final String JSON_PROPERTY_BUCKET = "bucket";
+  @javax.annotation.Nonnull
+  private String bucket;
+
+  public static final String JSON_PROPERTY_OBJECT_KEY = "object_key";
+  @javax.annotation.Nonnull
+  private String objectKey;
+
+  public TosLocation() {
+  }
+
+  public TosLocation bucket(@javax.annotation.Nonnull String bucket) {
+
+    this.bucket = bucket;
+    return this;
+  }
+
+  /**
+   * TOS bucket name.
+   * @return bucket
+   */
+  @javax.annotation.Nonnull
+  @JsonProperty(value = JSON_PROPERTY_BUCKET, required = true)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+
+  public String getBucket() {
+    return bucket;
+  }
+
+
+  @JsonProperty(value = JSON_PROPERTY_BUCKET, required = true)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+  public void setBucket(@javax.annotation.Nonnull String bucket) {
+    this.bucket = bucket;
+  }
+
+  public TosLocation objectKey(@javax.annotation.Nonnull String objectKey) {
+
+    this.objectKey = objectKey;
+    return this;
+  }
+
+  /**
+   * Full stored object key, including the upload prefix.
+   * @return objectKey
+   */
+  @javax.annotation.Nonnull
+  @JsonProperty(value = JSON_PROPERTY_OBJECT_KEY, required = true)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+
+  public String getObjectKey() {
+    return objectKey;
+  }
+
+
+  @JsonProperty(value = JSON_PROPERTY_OBJECT_KEY, required = true)
+  @JsonInclude(value = JsonInclude.Include.ALWAYS)
+  public void setObjectKey(@javax.annotation.Nonnull String objectKey) {
+    this.objectKey = objectKey;
+  }
+
+
+  @Override
+  public boolean equals(Object o) {
+    if (this == o) {
+      return true;
+    }
+    if (o == null || getClass() != o.getClass()) {
+      return false;
+    }
+    TosLocation tosLocation = (TosLocation) o;
+    return Objects.equals(this.bucket, tosLocation.bucket) &&
+        Objects.equals(this.objectKey, tosLocation.objectKey);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(bucket, objectKey);
+  }
+
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    sb.append("class TosLocation {\n");
+    sb.append("    bucket: ").append(toIndentedString(bucket)).append("\n");
+    sb.append("    objectKey: ").append(toIndentedString(objectKey)).append("\n");
+    sb.append("}");
+    return sb.toString();
+  }
+
+  /**
+   * Convert the given object to string with each line indented by 4 spaces
+   * (except the first line).
+   */
+  private String toIndentedString(Object o) {
+    return o == null ? "null" : o.toString().replace("\n", "\n    ");
+  }
+
+  public static class Builder {
+
+    private TosLocation instance;
+
+    public Builder() {
+      this(new TosLocation());
+    }
+
+    protected Builder(TosLocation instance) {
+      this.instance = instance;
+    }
+
+    public TosLocation.Builder bucket(String bucket) {
+      this.instance.bucket = bucket;
+      return this;
+    }
+    public TosLocation.Builder objectKey(String objectKey) {
+      this.instance.objectKey = objectKey;
+      return this;
+    }
+
+
+    /**
+    * returns a built TosLocation instance.
+    *
+    * The builder is not reusable.
+    */
+    public TosLocation build() {
+      try {
+        return this.instance;
+      } finally {
+        // ensure that this.instance is not reused
+        this.instance = null;
+      }
+    }
+
+    @Override
+    public String toString() {
+      return getClass() + "=(" + instance + ")";
+    }
+  }
+
+  /**
+  * Create a builder with no initialized field.
+  */
+  public static TosLocation.Builder builder() {
+    return new TosLocation.Builder();
+  }
+
+  /**
+  * Create a builder with a shallow copy of this instance.
+  */
+  public TosLocation.Builder toBuilder() {
+    return new TosLocation.Builder()
+      .bucket(getBucket())
+      .objectKey(getObjectKey());
+  }
+
+
+}