diff --git a/config/json.go b/config/json.go
index d09584b..a65eb37 100644
--- a/config/json.go
+++ b/config/json.go
@@ -15,6 +15,7 @@ type AppConfigs struct {
 }
 
 type Settings struct {
+	ListenPort   string `json:"listen_port"`
 	SifCdnServer string `json:"sif_cdn_server"`
 }
 
@@ -34,6 +35,7 @@ func DefaultConfigs() *AppConfigs {
 	return &AppConfigs{
 		AppName: "honoka-chan",
 		Settings: Settings{
+			ListenPort:   "80",
 			SifCdnServer: "http://192.168.1.123/static",
 		},
 		UserPrefs: UserPrefs{
diff --git a/main.go b/main.go
index f27cb97..7586bc0 100644
--- a/main.go
+++ b/main.go
@@ -1,6 +1,7 @@
 package main
 
 import (
+	"honoka-chan/config"
 	"honoka-chan/db"
 	"honoka-chan/router"
 	_ "honoka-chan/tools"
@@ -33,5 +34,5 @@ func main() {
 	// SIF
 	router.SifRouter(r)
 
-	r.Run(":80") // listen and serve on 0.0.0.0:8080 (for windows "localhost:8080")
+	r.Run(":" + config.Conf.Settings.ListenPort) // listen and serve on 0.0.0.0:8080 (for windows "localhost:8080")
 }