diff --git a/api/pom.xml b/api/pom.xml
index 786480ac..cb908ef2 100644
--- a/api/pom.xml
+++ b/api/pom.xml
@@ -43,7 +43,7 @@
     </parent>
 
     <artifactId>coze-api</artifactId>
-    <version>0.2.7</version>
+    <version>0.2.8</version>
 
     <scm>
         <connection>scm:git:git://github.com/coze-dev/coze-java.git</connection>
diff --git a/api/src/main/java/com/coze/openapi/client/connversations/message/model/Message.java b/api/src/main/java/com/coze/openapi/client/connversations/message/model/Message.java
index b6d23a47..7193ce7c 100644
--- a/api/src/main/java/com/coze/openapi/client/connversations/message/model/Message.java
+++ b/api/src/main/java/com/coze/openapi/client/connversations/message/model/Message.java
@@ -72,6 +72,9 @@ public class Message {
   @JsonProperty("updated_at")
   private Long updatedAt;
 
+  @JsonProperty("reasoning_content")
+  private String reasoningContent;
+
   public static Message buildUserQuestionText(String content) {
     return buildUserQuestionText(content, null);
   }
diff --git a/api/src/main/java/com/coze/openapi/service/utils/UserAgentInterceptor.java b/api/src/main/java/com/coze/openapi/service/utils/UserAgentInterceptor.java
index 94e8596e..4dd7ccc9 100644
--- a/api/src/main/java/com/coze/openapi/service/utils/UserAgentInterceptor.java
+++ b/api/src/main/java/com/coze/openapi/service/utils/UserAgentInterceptor.java
@@ -24,7 +24,7 @@ public Response intercept(Chain chain) throws IOException {
     return chain.proceed(request);
   }
 
-  public static final String VERSION = "0.2.7";
+  public static final String VERSION = "0.2.8";
   private static final ObjectMapper objectMapper = new ObjectMapper();
 
   /** 获取操作系统版本 */
diff --git a/example/pom.xml b/example/pom.xml
index 3c6fc613..4101de0f 100644
--- a/example/pom.xml
+++ b/example/pom.xml
@@ -16,7 +16,7 @@
         <dependency>
             <groupId>com.coze</groupId>
             <artifactId>coze-api</artifactId>
-            <version>0.2.7</version>
+            <version>0.2.8</version>
         </dependency>
     </dependencies>
 </project>