diff --git a/main_test.go b/main_test.go
new file mode 100644
index 0000000..fa9fd60
--- /dev/null
+++ b/main_test.go
@@ -0,0 +1,35 @@
+package main
+
+import (
+	"github.com/kataras/iris/v12"
+	"github.com/kataras/iris/v12/httptest"
+	"maintainman/config"
+	"maintainman/logger"
+	"maintainman/model"
+	"maintainman/route"
+	"testing"
+)
+
+func TestNewApp(t *testing.T) {
+	app := newApp()
+	e := httptest.New(t, app)
+
+	e.POST("/v1/register").WithJSON(model.ModifyUserJson{
+		Name:        "test1",
+		Password:    "12345678",
+		DisplayName: "admin",
+	}).Expect().Status(httptest.StatusOK)
+
+	e.POST("/v1/login").WithJSON(model.LoginJson{
+		Account:  "张城玮",
+		Password: "12345678",
+	}).Expect().Status(httptest.StatusOK)
+}
+
+func newApp() *iris.Application {
+	app := iris.New()
+	app.Logger().SetLevel(config.AppConfig.GetString("app.loglevel"))
+	logger.Logger = app.Logger()
+	route.Route(app)
+	return app
+}
diff --git a/util/interfaceToStirng.go b/util/interfaceToStirng.go
new file mode 100644
index 0000000..c2a305e
--- /dev/null
+++ b/util/interfaceToStirng.go
@@ -0,0 +1,59 @@
+package util
+
+import (
+	"encoding/json"
+	"strconv"
+)
+
+func Strval(value interface{}) string {
+	var key string
+	if value == nil {
+		return key
+	}
+	switch value.(type) {
+	case float64:
+		ft := value.(float64)
+		key = strconv.FormatFloat(ft, 'f', -1, 64)
+	case float32:
+		ft := value.(float32)
+		key = strconv.FormatFloat(float64(ft), 'f', -1, 64)
+	case int:
+		it := value.(int)
+		key = strconv.Itoa(it)
+	case uint:
+		it := value.(uint)
+		key = strconv.Itoa(int(it))
+	case int8:
+		it := value.(int8)
+		key = strconv.Itoa(int(it))
+	case uint8:
+		it := value.(uint8)
+		key = strconv.Itoa(int(it))
+	case int16:
+		it := value.(int16)
+		key = strconv.Itoa(int(it))
+	case uint16:
+		it := value.(uint16)
+		key = strconv.Itoa(int(it))
+	case int32:
+		it := value.(int32)
+		key = strconv.Itoa(int(it))
+	case uint32:
+		it := value.(uint32)
+		key = strconv.Itoa(int(it))
+	case int64:
+		it := value.(int64)
+		key = strconv.FormatInt(it, 10)
+	case uint64:
+		it := value.(uint64)
+		key = strconv.FormatUint(it, 10)
+	case string:
+		key = value.(string)
+	case []byte:
+		key = string(value.([]byte))
+	default:
+		newValue, _ := json.Marshal(value)
+		key = string(newValue)
+	}
+	return key
+}