diff --git a/CHANGELOG b/CHANGELOG
index 5c91d80a2..f3127e0de 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,6 @@
+2019-04-26 Version: 1.36.22
+1, add new openapi.
+
 2019-04-23 Version: 1.36.21
 1, Support mounting multiple volumes using different protocol
 2, Support scaling out cross AZ
diff --git a/VERSION b/VERSION
index 9ea491df5..ea5ebf24e 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.36.21
\ No newline at end of file
+1.36.22
\ No newline at end of file
diff --git a/rds/src/RdsClient.cc b/rds/src/RdsClient.cc
index 05f97259d..20fed1d3e 100644
--- a/rds/src/RdsClient.cc
+++ b/rds/src/RdsClient.cc
@@ -31,21 +31,21 @@ RdsClient::RdsClient(const Credentials &credentials, const ClientConfiguration &
 	RpcServiceClient(SERVICE_NAME, std::make_shared<SimpleCredentialsProvider>(credentials), configuration)
 {
 	auto locationClient = std::make_shared<LocationClient>(credentials, configuration);
-	endpointProvider_ = std::make_shared<EndpointProvider>(locationClient, configuration.regionId(), SERVICE_NAME, "Rds");
+	endpointProvider_ = std::make_shared<EndpointProvider>(locationClient, configuration.regionId(), SERVICE_NAME, "rds");
 }
 
 RdsClient::RdsClient(const std::shared_ptr<CredentialsProvider>& credentialsProvider, const ClientConfiguration & configuration) :
 	RpcServiceClient(SERVICE_NAME, credentialsProvider, configuration)
 {
 	auto locationClient = std::make_shared<LocationClient>(credentialsProvider, configuration);
-	endpointProvider_ = std::make_shared<EndpointProvider>(locationClient, configuration.regionId(), SERVICE_NAME, "Rds");
+	endpointProvider_ = std::make_shared<EndpointProvider>(locationClient, configuration.regionId(), SERVICE_NAME, "rds");
 }
 
 RdsClient::RdsClient(const std::string & accessKeyId, const std::string & accessKeySecret, const ClientConfiguration & configuration) :
 	RpcServiceClient(SERVICE_NAME, std::make_shared<SimpleCredentialsProvider>(accessKeyId, accessKeySecret), configuration)
 {
 	auto locationClient = std::make_shared<LocationClient>(accessKeyId, accessKeySecret, configuration);
-	endpointProvider_ = std::make_shared<EndpointProvider>(locationClient, configuration.regionId(), SERVICE_NAME, "Rds");
+	endpointProvider_ = std::make_shared<EndpointProvider>(locationClient, configuration.regionId(), SERVICE_NAME, "rds");
 }
 
 RdsClient::~RdsClient()