diff --git a/Makefile b/Makefile
index 7635d742..d1310734 100644
--- a/Makefile
+++ b/Makefile
@@ -9,7 +9,7 @@ COMMIT := $(shell git log | head -n 1 | awk '{print substr($$2, 0, 12)}')
 NOW := $(shell date +"%FT%T%z")
 
 # ROOT_DIR := $(shell dirname $(realpath $(firstword $(MAKEFILE_LIST))))
-TESTFOLDER := $(shell $(GO) list ./... | grep -E 'api|model|flow|script|fs|i18n' | grep -vE 'examples|tests*|config|widgets')
+TESTFOLDER := $(shell $(GO) list ./... | grep -E 'api|model|flow|script|fs|i18n|connector' | grep -vE 'examples|tests*|config|widgets')
 TESTTAGS ?= ""
 
 # TESTWIDGETS := $(shell $(GO) list ./widgets/...)
diff --git a/connector/connector.go b/connector/connector.go
index 858f3f37..d9ad09c1 100644
--- a/connector/connector.go
+++ b/connector/connector.go
@@ -1,36 +1,20 @@
 package connector
 
 import (
-	"fmt"
-	"path/filepath"
-
+	"github.com/yaoapp/gou/application"
 	"github.com/yaoapp/gou/connector"
-	"github.com/yaoapp/kun/log"
 	"github.com/yaoapp/yao/config"
 	"github.com/yaoapp/yao/share"
 )
 
 // Load load store
 func Load(cfg config.Config) error {
-	var root = filepath.Join(cfg.Root, "connectors")
-	return LoadFrom(root, "")
-}
-
-// LoadFrom load from dir
-func LoadFrom(dir string, prefix string) error {
-
-	if share.DirNotExists(dir) {
-		return fmt.Errorf("%s does not exists", dir)
-	}
-
-	err := share.Walk(dir, ".json", func(root, filename string) {
-		name := prefix + share.SpecName(root, filename)
-		content := share.ReadFile(filename)
-		_, err := connector.Load(string(content), name)
-		if err != nil {
-			log.With(log.F{"root": root, "file": filename}).Error(err.Error())
+	exts := []string{"*.yao", "*.json", "*.jsonc"}
+	return application.App.Walk("connectors", func(root, file string, isdir bool) error {
+		if isdir {
+			return nil
 		}
-	})
-
-	return err
+		_, err := connector.Load(file, share.ID(root, file))
+		return err
+	}, exts...)
 }
diff --git a/connector/connector_test.go b/connector/connector_test.go
index d82a6844..2b8909ca 100644
--- a/connector/connector_test.go
+++ b/connector/connector_test.go
@@ -6,18 +6,24 @@ import (
 	"github.com/stretchr/testify/assert"
 	"github.com/yaoapp/gou/connector"
 	"github.com/yaoapp/yao/config"
+	"github.com/yaoapp/yao/test"
 )
 
 func TestLoad(t *testing.T) {
+	test.Prepare(t, config.Conf)
+	defer test.Clean()
+
 	Load(config.Conf)
-	LoadFrom("not a path", "404.")
 	check(t)
 }
 
 func check(t *testing.T) {
-	keys := []string{}
-	for key := range connector.Connectors {
-		keys = append(keys, key)
+	ids := map[string]bool{}
+	for id := range connector.Connectors {
+		ids[id] = true
 	}
-	assert.Equal(t, 4, len(keys))
+	assert.True(t, ids["mongo"])
+	assert.True(t, ids["mysql"])
+	assert.True(t, ids["redis"])
+	assert.True(t, ids["sqlite"])
 }