diff --git a/src/main/java/com/alibaba/dashscope/aigc/videosynthesis/VideoSynthesisUsage.java b/src/main/java/com/alibaba/dashscope/aigc/videosynthesis/VideoSynthesisUsage.java
index afda20b..473aa8c 100644
--- a/src/main/java/com/alibaba/dashscope/aigc/videosynthesis/VideoSynthesisUsage.java
+++ b/src/main/java/com/alibaba/dashscope/aigc/videosynthesis/VideoSynthesisUsage.java
@@ -14,16 +14,28 @@ public class VideoSynthesisUsage {
   @SerializedName("video_ratio")
   private String videoRatio;
 
-  private float duration;
+  private Float duration;
 
   private String size;
 
   @SerializedName("input_video_duration")
-  private float inputVideoDuration;
+  private Float inputVideoDuration;
 
   @SerializedName("output_video_duration")
-  private float outputVideoDuration;
+  private Float outputVideoDuration;
 
   @SerializedName("SR")
   private String SR;
+
+  private String ratio;
+
+  private Boolean audio;
+
+  @SerializedName("shot_type")
+  private String shotType;
+
+  private Float fps;
+
+  @SerializedName("reference_type")
+  private String referenceType;
 }