diff --git a/volcengine-java-sdk-ark-runtime/src/main/java/com/volcengine/ark/runtime/model/completion/chat/ChatCompletionRequest.java b/volcengine-java-sdk-ark-runtime/src/main/java/com/volcengine/ark/runtime/model/completion/chat/ChatCompletionRequest.java
index d2e8c96c7..6dd1a338b 100644
--- a/volcengine-java-sdk-ark-runtime/src/main/java/com/volcengine/ark/runtime/model/completion/chat/ChatCompletionRequest.java
+++ b/volcengine-java-sdk-ark-runtime/src/main/java/com/volcengine/ark/runtime/model/completion/chat/ChatCompletionRequest.java
@@ -696,6 +696,11 @@ public ChatCompletionRequest.Builder toolChoice(String toolChoice) {
             return this;
         }
 
+        public ChatCompletionRequest.Builder toolChoice(Object toolChoice) {
+            this.toolChoice = toolChoice;
+            return this;
+        }
+
         public ChatCompletionRequest.Builder toolChoice(ChatCompletionRequestToolChoice toolChoice) {
             this.toolChoice = toolChoice;
             return this;
diff --git a/volcengine-java-sdk-ark-runtime/src/main/java/com/volcengine/ark/runtime/model/completion/chat/ChatMessage.java b/volcengine-java-sdk-ark-runtime/src/main/java/com/volcengine/ark/runtime/model/completion/chat/ChatMessage.java
index 88904964a..47fcc1424 100644
--- a/volcengine-java-sdk-ark-runtime/src/main/java/com/volcengine/ark/runtime/model/completion/chat/ChatMessage.java
+++ b/volcengine-java-sdk-ark-runtime/src/main/java/com/volcengine/ark/runtime/model/completion/chat/ChatMessage.java
@@ -138,6 +138,11 @@ public ChatMessage.Builder content(String content) {
 			return this;
 		}
 
+        public ChatMessage.Builder content(Object content) {
+            this.content = content;
+            return this;
+        }
+
 		public ChatMessage.Builder multiContent(List<ChatCompletionContentPart> multiContent) {
 			this.content = multiContent;
 			return this;