diff --git a/src/main/java/com/alibaba/dashscope/aigc/videosynthesis/VideoSynthesis.java b/src/main/java/com/alibaba/dashscope/aigc/videosynthesis/VideoSynthesis.java
index 570d2e1..8b3aca2 100644
--- a/src/main/java/com/alibaba/dashscope/aigc/videosynthesis/VideoSynthesis.java
+++ b/src/main/java/com/alibaba/dashscope/aigc/videosynthesis/VideoSynthesis.java
@@ -71,6 +71,12 @@ public static class MediaType {
     public static final String DRIVING_AUDIO = "driving_audio";
   }
 
+  public static class AudioSetting {
+    public static final String AUTO = "auto";
+    public static final String ORIGIN = "origin";
+    public static final String NO_AUDIO = "no_audio";
+  }
+
   /**
    * Create ApiServiceOption
    *
diff --git a/src/main/java/com/alibaba/dashscope/aigc/videosynthesis/VideoSynthesisParam.java b/src/main/java/com/alibaba/dashscope/aigc/videosynthesis/VideoSynthesisParam.java
index 9f6412a..5ec391f 100644
--- a/src/main/java/com/alibaba/dashscope/aigc/videosynthesis/VideoSynthesisParam.java
+++ b/src/main/java/com/alibaba/dashscope/aigc/videosynthesis/VideoSynthesisParam.java
@@ -119,6 +119,8 @@ public static class Media {
 
   @Builder.Default private String ratio = null;
 
+  @Builder.Default private String audioSetting = null;
+
   /** The inputs of the model. */
   @Override
   public JsonObject getInput() {
@@ -196,11 +198,11 @@ public Map<String, Object> getParameters() {
       params.put(DURATION, duration);
     }
 
-    if (size != null) {
+    if (size != null && !size.isEmpty()) {
       params.put(SIZE, size);
     }
 
-    if (resolution != null) {
+    if (resolution != null && !resolution.isEmpty()) {
       params.put(RESOLUTION, resolution);
     }
 
@@ -221,15 +223,18 @@ public Map<String, Object> getParameters() {
     if (audio != null) {
       params.put(AUDIO, audio);
     }
-    if (shotType != null) {
+    if (shotType != null && !shotType.isEmpty()) {
       params.put(SHOT_TYPE, shotType);
     }
     if (enableOverlays != null) {
       params.put(ENABLE_OVERLAYS, enableOverlays);
     }
-    if (ratio != null) {
+    if (ratio != null && !ratio.isEmpty()) {
       params.put(RATIO, ratio);
     }
+    if (audioSetting != null && !audioSetting.isEmpty()) {
+      params.put(AUDIO_SETTING, audioSetting);
+    }
 
     params.putAll(super.getParameters());
     return params;
diff --git a/src/main/java/com/alibaba/dashscope/utils/ApiKeywords.java b/src/main/java/com/alibaba/dashscope/utils/ApiKeywords.java
index 9d42153..bc60736 100644
--- a/src/main/java/com/alibaba/dashscope/utils/ApiKeywords.java
+++ b/src/main/java/com/alibaba/dashscope/utils/ApiKeywords.java
@@ -202,6 +202,8 @@ public class ApiKeywords {
 
   public static final String RATIO = "ratio";
 
+  public static final String AUDIO_SETTING = "audio_setting";
+
   public static final String REFERENCE_VIDEO_DESCRIPTION = "reference_video_description";
 
   public static final String SHOT_TYPE = "shot_type";