diff --git a/api/sites/domain.go b/api/sites/domain.go
index 7f1c2f0b..82526e0e 100644
--- a/api/sites/domain.go
+++ b/api/sites/domain.go
@@ -148,7 +148,7 @@ func GetDomain(c *gin.Context) {
 
 	certInfoMap := make(map[int]*cert.Info)
 
-    for serverIdx, server := range nginxConfig.Servers {
+	for serverIdx, server := range nginxConfig.Servers {
 		for _, directive := range server.Directives {
 			if directive.Directive == "ssl_certificate" {
 
@@ -229,7 +229,7 @@ func SaveDomain(c *gin.Context) {
 			})
 			return
 		}
-		// recreate soft link
+		// recreate a soft link
 		if helper.FileExists(enabledConfigFilePath) {
 			_ = os.Remove(enabledConfigFilePath)
 			enabledConfigFilePath = nginx.GetConfPath("sites-enabled", json.Name)
diff --git a/app/src/components/NodeSelector/NodeSelector.vue b/app/src/components/NodeSelector/NodeSelector.vue
index b9d4aad2..4016f658 100644
--- a/app/src/components/NodeSelector/NodeSelector.vue
+++ b/app/src/components/NodeSelector/NodeSelector.vue
@@ -19,7 +19,7 @@ const data_map = ref({}) as Ref<Record<number, Environment>>
 
 environment.get_list().then(r => {
   data.value = r.data
-  r.data.forEach(node => {
+  r.data?.forEach(node => {
     data_map.value[node.id] = node
   })
 })
@@ -79,7 +79,7 @@ const value = computed({
         </ATag>
       </ACol>
     </ARow>
-    <AEmpty v-if="hiddenLocal && data.length === 0" />
+    <AEmpty v-if="hiddenLocal && data?.length === 0" />
   </ACheckboxGroup>
 </template>