diff --git a/CHANGELOG b/CHANGELOG
index d00195a0c..2fda31beb 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,6 @@
+2020-12-09 Version: patch
+- Update SegmentCommodity.
+
 2020-12-07 Version: patch
 - Remove DescribeSubscriptionObjectModifyStatus.
 
diff --git a/imageseg/include/alibabacloud/imageseg/model/SegmentCommodityRequest.h b/imageseg/include/alibabacloud/imageseg/model/SegmentCommodityRequest.h
index 32ab0420c..5b1e39616 100644
--- a/imageseg/include/alibabacloud/imageseg/model/SegmentCommodityRequest.h
+++ b/imageseg/include/alibabacloud/imageseg/model/SegmentCommodityRequest.h
@@ -35,10 +35,13 @@ namespace AlibabaCloud
 				SegmentCommodityRequest();
 				~SegmentCommodityRequest();
 
+				std::string getReturnForm()const;
+				void setReturnForm(const std::string& returnForm);
 				std::string getImageURL()const;
 				void setImageURL(const std::string& imageURL);
 
             private:
+				std::string returnForm_;
 				std::string imageURL_;
 
 			};
diff --git a/imageseg/src/model/SegmentCommodityRequest.cc b/imageseg/src/model/SegmentCommodityRequest.cc
index da35a164b..a1562d9f4 100644
--- a/imageseg/src/model/SegmentCommodityRequest.cc
+++ b/imageseg/src/model/SegmentCommodityRequest.cc
@@ -27,6 +27,17 @@ SegmentCommodityRequest::SegmentCommodityRequest() :
 SegmentCommodityRequest::~SegmentCommodityRequest()
 {}
 
+std::string SegmentCommodityRequest::getReturnForm()const
+{
+	return returnForm_;
+}
+
+void SegmentCommodityRequest::setReturnForm(const std::string& returnForm)
+{
+	returnForm_ = returnForm;
+	setParameter("ReturnForm", returnForm);
+}
+
 std::string SegmentCommodityRequest::getImageURL()const
 {
 	return imageURL_;