diff --git a/CHANGELOG b/CHANGELOG
index de7954b5e..38538317a 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,6 @@
+2020-12-17 Version: patch
+- Update DeleteCdnDomain.
+
 2020-12-17 Version: patch
 - Generated 2020-01-11 for `servicemesh`.
 
diff --git a/cdn/include/alibabacloud/cdn/model/DeleteCdnDomainRequest.h b/cdn/include/alibabacloud/cdn/model/DeleteCdnDomainRequest.h
index 07dbfc3ba..a93e3c089 100644
--- a/cdn/include/alibabacloud/cdn/model/DeleteCdnDomainRequest.h
+++ b/cdn/include/alibabacloud/cdn/model/DeleteCdnDomainRequest.h
@@ -41,8 +41,6 @@ namespace AlibabaCloud
 				void setDomainName(const std::string& domainName);
 				long getOwnerId()const;
 				void setOwnerId(long ownerId);
-				std::string getResourceGroupId()const;
-				void setResourceGroupId(const std::string& resourceGroupId);
 				std::string getSecurityToken()const;
 				void setSecurityToken(const std::string& securityToken);
 
@@ -50,7 +48,6 @@ namespace AlibabaCloud
 				std::string ownerAccount_;
 				std::string domainName_;
 				long ownerId_;
-				std::string resourceGroupId_;
 				std::string securityToken_;
 
 			};
diff --git a/cdn/src/model/DeleteCdnDomainRequest.cc b/cdn/src/model/DeleteCdnDomainRequest.cc
index 28f0abc8e..876939552 100644
--- a/cdn/src/model/DeleteCdnDomainRequest.cc
+++ b/cdn/src/model/DeleteCdnDomainRequest.cc
@@ -60,17 +60,6 @@ void DeleteCdnDomainRequest::setOwnerId(long ownerId)
 	setParameter("OwnerId", std::to_string(ownerId));
 }
 
-std::string DeleteCdnDomainRequest::getResourceGroupId()const
-{
-	return resourceGroupId_;
-}
-
-void DeleteCdnDomainRequest::setResourceGroupId(const std::string& resourceGroupId)
-{
-	resourceGroupId_ = resourceGroupId;
-	setParameter("ResourceGroupId", resourceGroupId);
-}
-
 std::string DeleteCdnDomainRequest::getSecurityToken()const
 {
 	return securityToken_;