diff --git a/CHANGELOG b/CHANGELOG
index 8dd4cfb64..1e5b70cc7 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,6 @@
+2020-09-28 Version: patch
+- Update Scdn API.
+
 2020-09-28 Version: patch
 - Support for resize hbaseue multi-zone cluster.
 
diff --git a/scdn/include/alibabacloud/scdn/model/DescribeScdnServiceResult.h b/scdn/include/alibabacloud/scdn/model/DescribeScdnServiceResult.h
index a2417b4a0..208b0b0c0 100644
--- a/scdn/include/alibabacloud/scdn/model/DescribeScdnServiceResult.h
+++ b/scdn/include/alibabacloud/scdn/model/DescribeScdnServiceResult.h
@@ -69,7 +69,6 @@ namespace AlibabaCloud
 				std::vector<LockReason> getOperationLocks()const;
 				std::string getChangingAffectTime()const;
 				std::string getInternetChargeType()const;
-				std::string getChangingChargeType1()const;
 				std::string getDDoSBasicValue()const;
 				std::string getProtectType()const;
 				std::string getCurrentCcProtection()const;
@@ -107,7 +106,6 @@ namespace AlibabaCloud
 				std::vector<LockReason> operationLocks_;
 				std::string changingAffectTime_;
 				std::string internetChargeType_;
-				std::string changingChargeType1_;
 				std::string dDoSBasicValue_;
 				std::string protectType_;
 				std::string currentCcProtection_;
diff --git a/scdn/src/model/DescribeScdnServiceResult.cc b/scdn/src/model/DescribeScdnServiceResult.cc
index 9628ac2fc..34ac63738 100644
--- a/scdn/src/model/DescribeScdnServiceResult.cc
+++ b/scdn/src/model/DescribeScdnServiceResult.cc
@@ -111,8 +111,6 @@ void DescribeScdnServiceResult::parse(const std::string &payload)
 		priceType_ = value["PriceType"].asString();
 	if(!value["PricingCycle"].isNull())
 		pricingCycle_ = value["PricingCycle"].asString();
-	if(!value["ChangingChargeType"].isNull())
-		changingChargeType1_ = value["ChangingChargeType"].asString();
 
 }
 
@@ -256,11 +254,6 @@ std::string DescribeScdnServiceResult::getInternetChargeType()const
 	return internetChargeType_;
 }
 
-std::string DescribeScdnServiceResult::getChangingChargeType1()const
-{
-	return changingChargeType1_;
-}
-
 std::string DescribeScdnServiceResult::getDDoSBasicValue()const
 {
 	return dDoSBasicValue_;