diff --git a/pkg/util/aliyun/region.go b/pkg/util/aliyun/region.go
index b4f9faeb76..e2c0905591 100644
--- a/pkg/util/aliyun/region.go
+++ b/pkg/util/aliyun/region.go
@@ -17,7 +17,7 @@ import (
 
 type SRegion struct {
 	client    *SAliyunClient
-	ecsClient *sdk.Client
+	sdkClient *sdk.Client
 	ossClient *oss.Client
 
 	RegionId  string
@@ -44,15 +44,15 @@ func (self *SRegion) GetMetadata() *jsonutils.JSONDict {
 	return nil
 }
 
-func (self *SRegion) getEcsClient() (*sdk.Client, error) {
-	if self.ecsClient == nil {
+func (self *SRegion) getSdkClient() (*sdk.Client, error) {
+	if self.sdkClient == nil {
 		cli, err := sdk.NewClientWithAccessKey(self.RegionId, self.client.accessKey, self.client.secret)
 		if err != nil {
 			return nil, err
 		}
-		self.ecsClient = cli
+		self.sdkClient = cli
 	}
-	return self.ecsClient, nil
+	return self.sdkClient, nil
 }
 
 // oss endpoint
@@ -79,7 +79,7 @@ func (self *SRegion) GetOssClient() (*oss.Client, error) {
 }
 
 func (self *SRegion) ecsRequest(apiName string, params map[string]string) (jsonutils.JSONObject, error) {
-	client, err := self.getEcsClient()
+	client, err := self.getSdkClient()
 	if err != nil {
 		return nil, err
 	}