diff --git a/backend/app/service/app_install.go b/backend/app/service/app_install.go
index e02372c79..3759ed519 100644
--- a/backend/app/service/app_install.go
+++ b/backend/app/service/app_install.go
@@ -3,6 +3,7 @@ package service
 import (
 	"encoding/json"
 	"fmt"
+	"github.com/1Panel-dev/1Panel/backend/utils/nginx"
 	"github.com/joho/godotenv"
 	"io/ioutil"
 	"math"
@@ -199,10 +200,12 @@ func (a AppInstallService) Update(req request.AppInstalledUpdate) error {
 	if err != nil {
 		return err
 	}
+	changePort := false
 	port, ok := req.Params["PANEL_APP_PORT_HTTP"]
 	if ok {
 		portN := int(math.Ceil(port.(float64)))
 		if portN != installed.HttpPort {
+			changePort = true
 			httpPort, err := checkPort("PANEL_APP_PORT_HTTP", req.Params)
 			if err != nil {
 				return err
@@ -237,7 +240,33 @@ func (a AppInstallService) Update(req request.AppInstalledUpdate) error {
 		return err
 	}
 	_ = appInstallRepo.Save(&installed)
-	return rebuildApp(installed)
+
+	if err := rebuildApp(installed); err != nil {
+		return err
+	}
+	website, _ := websiteRepo.GetFirst(websiteRepo.WithAppInstallId(installed.ID))
+	if changePort && website.ID != 0 && website.Status == constant.Running {
+		nginxInstall, err := getNginxFull(&website)
+		if err != nil {
+			return buserr.WithErr(constant.ErrUpdateBuWebsite, err)
+		}
+		config := nginxInstall.SiteConfig.Config
+		servers := config.FindServers()
+		if len(servers) == 0 {
+			return buserr.WithErr(constant.ErrUpdateBuWebsite, errors.New("nginx config is not valid"))
+		}
+		server := servers[0]
+		proxy := fmt.Sprintf("http://127.0.0.1:%d", installed.HttpPort)
+		server.UpdateRootProxy([]string{proxy})
+
+		if err := nginx.WriteConfig(config, nginx.IndentedStyle); err != nil {
+			return buserr.WithErr(constant.ErrUpdateBuWebsite, err)
+		}
+		if err := nginxCheckAndReload(nginxInstall.SiteConfig.OldContent, config.FilePath, nginxInstall.Install.ContainerName); err != nil {
+			return buserr.WithErr(constant.ErrUpdateBuWebsite, err)
+		}
+	}
+	return nil
 }
 
 func (a AppInstallService) SyncAll() error {
diff --git a/backend/buserr/errors.go b/backend/buserr/errors.go
index 43b843ec4..67a57dc1b 100644
--- a/backend/buserr/errors.go
+++ b/backend/buserr/errors.go
@@ -46,6 +46,14 @@ func WithDetail(Key string, detail interface{}, err error) BusinessError {
 	}
 }
 
+func WithErr(Key string, err error) BusinessError {
+	return BusinessError{
+		Msg:    Key,
+		Detail: "",
+		Err:    err,
+	}
+}
+
 func WithMap(Key string, maps map[string]interface{}, err error) BusinessError {
 	return BusinessError{
 		Msg: Key,
diff --git a/backend/constant/errs.go b/backend/constant/errs.go
index ae3a7ce9b..51e7d0cfb 100644
--- a/backend/constant/errs.go
+++ b/backend/constant/errs.go
@@ -50,14 +50,15 @@ var (
 
 // app
 var (
-	ErrPortInUsed     = "ErrPortInUsed"
-	ErrAppLimit       = "ErrAppLimit"
-	ErrAppRequired    = "ErrAppRequired"
-	ErrFileCanNotRead = "ErrFileCanNotRead"
-	ErrFileToLarge    = "ErrFileToLarge"
-	ErrNotInstall     = "ErrNotInstall"
-	ErrPortInOtherApp = "ErrPortInOtherApp"
-	ErrDbUserNotValid = "ErrDbUserNotValid"
+	ErrPortInUsed      = "ErrPortInUsed"
+	ErrAppLimit        = "ErrAppLimit"
+	ErrAppRequired     = "ErrAppRequired"
+	ErrFileCanNotRead  = "ErrFileCanNotRead"
+	ErrFileToLarge     = "ErrFileToLarge"
+	ErrNotInstall      = "ErrNotInstall"
+	ErrPortInOtherApp  = "ErrPortInOtherApp"
+	ErrDbUserNotValid  = "ErrDbUserNotValid"
+	ErrUpdateBuWebsite = "ErrUpdateBuWebsite"
 )
 
 //website
diff --git a/backend/i18n/lang/en.yaml b/backend/i18n/lang/en.yaml
index 2a609a7ec..62e3ad2be 100644
--- a/backend/i18n/lang/en.yaml
+++ b/backend/i18n/lang/en.yaml
@@ -25,6 +25,7 @@ ErrNotInstall: "App not installed"
 ErrPortInOtherApp: "{{ .port }} port  already in use by  {{ .apps }}"
 ErrDbUserNotValid: "Stock database, username and password do not match！"
 ErrDockerComposeNotValid: "docker-compose file format error!"
+ErrUpdateBuWebsite: 'The application was updated successfully, but the modification of the website configuration file failed, please check the configuration!'
 
 #file
 ErrFileCanNotRead: "File can not read"
diff --git a/backend/i18n/lang/zh.yaml b/backend/i18n/lang/zh.yaml
index 721d2db89..f69712ace 100644
--- a/backend/i18n/lang/zh.yaml
+++ b/backend/i18n/lang/zh.yaml
@@ -25,6 +25,7 @@ ErrNotInstall: "应用未安装"
 ErrPortInOtherApp: "{{ .port }} 端口已被 {{ .apps }}占用！"
 ErrDbUserNotValid: "存量数据库，用户名密码不匹配！"
 ErrDockerComposeNotValid: "docker-compose 文件格式错误"
+ErrUpdateBuWebsite: '应用更新成功，但是网站配置文件修改失败，请检查配置！'
 
 #file
 ErrFileCanNotRead: "此文件不支持预览"