diff --git a/CHANGELOG b/CHANGELOG
index 87c1fe630..dc6fdd8ee 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,6 @@
+2018-03-30 Version: 1.3.8
+1, API QueryCustomerSaleInfo arguments update.
+
 2018-03-29 Version: 1.3.7
 1, edit FetchLibraries return param format
 
diff --git a/VERSION b/VERSION
index 8ed486ab7..06c7347f0 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.3.7
\ No newline at end of file
+1.3.8
\ No newline at end of file
diff --git a/teslamaxcompute/include/alibabacloud/teslamaxcompute/model/QueryCustomerSaleInfoRequest.h b/teslamaxcompute/include/alibabacloud/teslamaxcompute/model/QueryCustomerSaleInfoRequest.h
index a02939680..3bcbde443 100644
--- a/teslamaxcompute/include/alibabacloud/teslamaxcompute/model/QueryCustomerSaleInfoRequest.h
+++ b/teslamaxcompute/include/alibabacloud/teslamaxcompute/model/QueryCustomerSaleInfoRequest.h
@@ -35,11 +35,11 @@ namespace AlibabaCloud
 				QueryCustomerSaleInfoRequest();
 				~QueryCustomerSaleInfoRequest();
 
-				std::string getRegion()const;
-				void setRegion(const std::string& region);
+				std::string getRegionName()const;
+				void setRegionName(const std::string& regionName);
 
             private:
-				std::string region_;
+				std::string regionName_;
 
 			};
 		}
diff --git a/teslamaxcompute/src/model/QueryCustomerSaleInfoRequest.cc b/teslamaxcompute/src/model/QueryCustomerSaleInfoRequest.cc
index 9f1ed968e..4655541dc 100644
--- a/teslamaxcompute/src/model/QueryCustomerSaleInfoRequest.cc
+++ b/teslamaxcompute/src/model/QueryCustomerSaleInfoRequest.cc
@@ -25,14 +25,14 @@ QueryCustomerSaleInfoRequest::QueryCustomerSaleInfoRequest() :
 QueryCustomerSaleInfoRequest::~QueryCustomerSaleInfoRequest()
 {}
 
-std::string QueryCustomerSaleInfoRequest::getRegion()const
+std::string QueryCustomerSaleInfoRequest::getRegionName()const
 {
-	return region_;
+	return regionName_;
 }
 
-void QueryCustomerSaleInfoRequest::setRegion(const std::string& region)
+void QueryCustomerSaleInfoRequest::setRegionName(const std::string& regionName)
 {
-	region_ = region;
-	setParameter("Region", region);
+	regionName_ = regionName;
+	setParameter("RegionName", regionName);
 }