diff --git a/plugins/weixin_cpn/internal/util.go b/plugins/weixin_cpn/internal/util.go
index 084b3ab..638577f 100644
--- a/plugins/weixin_cpn/internal/util.go
+++ b/plugins/weixin_cpn/internal/util.go
@@ -9,7 +9,7 @@ import (
 	"github.com/wechatpay-apiv3/wechatpay-go/utils"
 )
 
-func apiSrv(ctx context.Context, config *Config) (*cashcoupons.CouponApiService, error) {
+func getSrv(ctx context.Context, config *Config) (*cashcoupons.CouponApiService, error) {
 	mchPrivateKey, err := utils.LoadPrivateKeyWithPath(config.PrivateKeyPath)
 	if err != nil {
 		return nil, fmt.Errorf("load merchant private key error:%v", err)
diff --git a/plugins/weixin_cpn/internal/weixin_cpn.go b/plugins/weixin_cpn/internal/weixin_cpn.go
index d0a1495..f46e835 100644
--- a/plugins/weixin_cpn/internal/weixin_cpn.go
+++ b/plugins/weixin_cpn/internal/weixin_cpn.go
@@ -21,7 +21,7 @@ func (p *WeiXinCpnService) Order(ctx context.Context, request *proto.OrderReques
 	if err != nil {
 		return nil, err
 	}
-	svc, err := apiSrv(ctx, config)
+	svc, err := getSrv(ctx, config)
 	if err != nil {
 		return nil, err
 	}
@@ -41,7 +41,7 @@ func (p *WeiXinCpnService) Order(ctx context.Context, request *proto.OrderReques
 
 func (p *WeiXinCpnService) Query(ctx context.Context, request *proto.QueryRequest) (*proto.QueryResponse, error) {
 	config, err := transConfig(request.Config)
-	svc, err := apiSrv(ctx, config)
+	svc, err := getSrv(ctx, config)
 	if err != nil {
 		return nil, err
 	}