diff --git a/Makefile b/Makefile
index 12318d24..14f1a7d9 100644
--- a/Makefile
+++ b/Makefile
@@ -15,7 +15,7 @@
 DOCKER_ARCHS ?= amd64 armv7 arm64
 
 REACT_APP_PATH = web/ui/react-app
-REACT_APP_SOURCE_FILES = $(wildcard $(REACT_APP_PATH)/public/* $(REACT_APP_PATH)/src/* $(REACT_APP_PATH)/tsconfig.json)
+REACT_APP_SOURCE_FILES = $(wildcard $(REACT_APP_PATH)/public/* $(REACT_APP_PATH)/src/* $(REACT_APP_PATH)/tsconfig.json $(shell find $(REACT_APP_PATH)/src -type f -print))
 REACT_APP_OUTPUT_DIR = web/ui/static/react
 REACT_APP_NODE_MODULES_PATH = $(REACT_APP_PATH)/node_modules
 
diff --git a/config/config.go b/config/config.go
index 2d2d51dd..9fd8cc2f 100644
--- a/config/config.go
+++ b/config/config.go
@@ -72,7 +72,7 @@ func (c *Config) UnmarshalYAML(unmarshal func(interface{}) error) error {
 	return nil
 }
 
-func (c Config) String() string {
+func (c *Config) String() string {
 	b, err := yaml.Marshal(c)
 	if err != nil {
 		return fmt.Sprintf("<error creating config string: %s>", err)
@@ -80,6 +80,13 @@ func (c Config) String() string {
 	return string(b)
 }
 
+func (c *Config) GetDefaultMessage() TargetMessage {
+	if c.DefaultMessage != nil {
+		return *c.DefaultMessage
+	}
+	return DefaultTargetMessage
+}
+
 type Target struct {
 	URL     *SecretURL     `yaml:"url,omitempty"`
 	Secret  Secret         `yaml:"secret,omitempty"`
diff --git a/notifier/notification.go b/notifier/notification.go
index 2bfa2624..5bb470bd 100644
--- a/notifier/notification.go
+++ b/notifier/notification.go
@@ -27,23 +27,18 @@ type DingNotificationBuilder struct {
 }
 
 func NewDingNotificationBuilder(tmpl *template.Template, conf *config.Config, target *config.Target) *DingNotificationBuilder {
+	// Message template from the following order:
+	//   target level > config global level > builtin global level
+
 	var (
-		titleTpl = config.DefaultTargetMessage.Title
-		textTpl  = config.DefaultTargetMessage.Text
+		defaultMessage = conf.GetDefaultMessage()
+		titleTpl       = defaultMessage.Title
+		textTpl        = defaultMessage.Text
 	)
 
-	// Message template from the following order:
-	//   target level > config global level > builtin global level
-	var candidates = []*config.TargetMessage{
-		target.Message,
-		conf.DefaultMessage,
-	}
-	for _, candidate := range candidates {
-		if candidate != nil {
-			titleTpl = candidate.Title
-			textTpl = candidate.Text
-			break
-		}
+	if target.Message != nil {
+		titleTpl = target.Message.Title
+		textTpl = target.Message.Text
 	}
 
 	return &DingNotificationBuilder{
@@ -91,7 +86,7 @@ func (r *DingNotificationBuilder) Build(m *models.WebhookMessage) (*models.DingT
 	return notification, nil
 }
 
-func SendNotification(httpClient *http.Client, target *config.Target, notification *models.DingTalkNotification) (*models.DingTalkNotificationResponse, error) {
+func SendNotification(notification *models.DingTalkNotification, httpClient *http.Client, target *config.Target) (*models.DingTalkNotificationResponse, error) {
 	targetURL := *target.URL
 	// Calculate signature when secret is provided
 	if target.Secret != "" {
diff --git a/web/apiv1/api.go b/web/apiv1/api.go
index a2557a17..b140256c 100644
--- a/web/apiv1/api.go
+++ b/web/apiv1/api.go
@@ -133,19 +133,20 @@ func (api *API) serveTemplates(r *http.Request) apiFuncResult {
 	}
 
 	conf := api.config()
+	defaultMessage := conf.GetDefaultMessage()
 	templates := []templateInfo{
 		{
 			Target: "<default>",
-			Title:  config.DefaultTargetMessage.Title,
-			Text:   config.DefaultTargetMessage.Text,
+			Title:  defaultMessage.Title,
+			Text:   defaultMessage.Text,
 		},
 	}
 	for name, target := range conf.Targets {
 		if target.Message == nil {
 			templates = append(templates, templateInfo{
 				Target: name,
-				Title:  config.DefaultTargetMessage.Title,
-				Text:   config.DefaultTargetMessage.Text,
+				Title:  defaultMessage.Title,
+				Text:   defaultMessage.Text,
 			})
 		} else {
 			templates = append(templates, templateInfo{
diff --git a/web/dingtalk/dingtalk.go b/web/dingtalk/dingtalk.go
index 3c15e476..9c8281eb 100644
--- a/web/dingtalk/dingtalk.go
+++ b/web/dingtalk/dingtalk.go
@@ -92,7 +92,7 @@ func (api *API) serveSend(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	robotResp, err := notifier.SendNotification(httpClient, &target, notification)
+	robotResp, err := notifier.SendNotification(notification, httpClient, &target)
 	if err != nil {
 		level.Error(logger).Log("msg", "Failed to send notification", "err", err)
 		http.Error(w, "Bad Request", http.StatusBadRequest)