diff --git a/internal/flag/flag.go b/internal/flag/flag.go
index e50706fa..f04b0eb3 100644
--- a/internal/flag/flag.go
+++ b/internal/flag/flag.go
@@ -67,8 +67,6 @@ const (
 	View                  string = "view"
 	ViewShort             string = "v"
 	SpendingLimitMonthly  string = "spending-limit-monthly"
-	UpdateField           string = "field"
-	UpdateValue           string = "value"
 	ServerlessLabels      string = "labels"
 	ServerlessAnnotations string = "annotations"
 	Monthly               string = "monthly"
diff --git a/internal/service/cloud/api_client.go b/internal/service/cloud/api_client.go
index ca3e936c..af2f23c3 100644
--- a/internal/service/cloud/api_client.go
+++ b/internal/service/cloud/api_client.go
@@ -90,8 +90,8 @@ type ClientDelegate struct {
 	sc *serverlessClient.TidbcloudServerless
 }
 
-func NewClientDelegate(publicKey string, privateKey string, apiUrl string, serverlessApiUrl string) (*ClientDelegate, error) {
-	c, ic, cc, bc, sc, err := NewApiClient(publicKey, privateKey, apiUrl, serverlessApiUrl)
+func NewClientDelegate(publicKey string, privateKey string, apiUrl string, serverlessEndpoint string) (*ClientDelegate, error) {
+	c, ic, cc, bc, sc, err := NewApiClient(publicKey, privateKey, apiUrl, serverlessEndpoint)
 	if err != nil {
 		return nil, err
 	}
@@ -196,7 +196,7 @@ func (d *ClientDelegate) DeleteBranch(params *branchOp.BranchServiceDeleteBranch
 	return r, err
 }
 
-func NewApiClient(publicKey string, privateKey string, apiUrl string, serverlessApiUrl string) (*apiClient.GoTidbcloud, *importClient.TidbcloudImport,
+func NewApiClient(publicKey string, privateKey string, apiUrl string, serverlessEndpoint string) (*apiClient.GoTidbcloud, *importClient.TidbcloudImport,
 	*connectInfoClient.TidbcloudConnectInfo, *branchClient.TidbcloudServerless, *serverlessClient.TidbcloudServerless, error) {
 	httpclient := &http.Client{
 		Transport: NewTransportWithAgent(&digest.Transport{
@@ -212,18 +212,16 @@ func NewApiClient(publicKey string, privateKey string, apiUrl string, serverless
 	}
 	transport := httpTransport.NewWithClient(u.Host, u.Path, []string{u.Scheme}, httpclient)
 
-	// serverless api
-	serverlessUrl, err := prop.ValidateApiUrl(serverlessApiUrl)
+	// v1beta1 api
+	serverlessURL, err := prop.ValidateApiUrl(serverlessEndpoint)
 	if err != nil {
 		return nil, nil, nil, nil, nil, err
 	}
-	newTransport := httpTransport.NewWithClient(serverlessUrl.Host, serverlessClient.DefaultBasePath, []string{serverlessUrl.Scheme}, httpclient)
-
-	// v1beta1 branch
-	branchTransport := httpTransport.NewWithClient(serverlessUrl.Host, "", []string{serverlessUrl.Scheme}, httpclient)
+	serverlessTransport := httpTransport.NewWithClient(serverlessURL.Host, serverlessClient.DefaultBasePath, []string{serverlessURL.Scheme}, httpclient)
+	branchTransport := httpTransport.NewWithClient(serverlessURL.Host, branchClient.DefaultBasePath, []string{serverlessURL.Scheme}, httpclient)
 
 	return apiClient.New(transport, strfmt.Default), importClient.New(transport, strfmt.Default), connectInfoClient.New(transport, strfmt.Default),
-		branchClient.New(branchTransport, strfmt.Default), serverlessClient.New(newTransport, strfmt.Default), nil
+		branchClient.New(branchTransport, strfmt.Default), serverlessClient.New(serverlessTransport, strfmt.Default), nil
 }
 
 // NewTransportWithAgent returns a new http.RoundTripper that add the User-Agent header,