diff --git a/backend/app/service/website.go b/backend/app/service/website.go
index ee3fc49bf..c624c998f 100644
--- a/backend/app/service/website.go
+++ b/backend/app/service/website.go
@@ -9,6 +9,7 @@ import (
 	"encoding/pem"
 	"errors"
 	"fmt"
+	"github.com/1Panel-dev/1Panel/backend/utils/common"
 	"os"
 	"path"
 	"reflect"
@@ -454,6 +455,15 @@ func (w WebsiteService) CreateWebsiteDomain(create request.WebsiteDomainCreate)
 		return domainModel, err
 	}
 
+	if existDomains, _ := websiteDomainRepo.GetBy(websiteDomainRepo.WithPort(create.Port)); len(existDomains) == 0 {
+		if existAppInstall, _ := appInstallRepo.GetFirst(appInstallRepo.WithPort(create.Port)); !reflect.DeepEqual(existAppInstall, model.AppInstall{}) {
+			return domainModel, buserr.WithMap(constant.ErrPortInOtherApp, map[string]interface{}{"port": create.Port, "apps": existAppInstall.App.Name}, nil)
+		}
+		if common.ScanPort(create.Port) {
+			return domainModel, buserr.WithDetail(constant.ErrPortInUsed, create.Port, nil)
+		}
+	}
+
 	website, err := websiteRepo.GetFirst(commonRepo.WithByID(create.WebsiteID))
 	if err != nil {
 		return domainModel, err
diff --git a/backend/i18n/lang/en.yaml b/backend/i18n/lang/en.yaml
index bd402b9d1..754bac182 100644
--- a/backend/i18n/lang/en.yaml
+++ b/backend/i18n/lang/en.yaml
@@ -20,7 +20,7 @@ ErrPortInUsed: "{{ .detail }} port already in use"
 ErrAppLimit: "App exceeds install limit"
 ErrAppRequired: "{{ .detail }} app is required"
 ErrNotInstall: "App not installed"
-ErrPortInOtherApp: "{{ .port }} port  already in use by  {{ .apps }}"
+ErrPortInOtherApp: "{{ .port }} port  already in use by app  {{ .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!'
diff --git a/backend/i18n/lang/zh-Hant.yaml b/backend/i18n/lang/zh-Hant.yaml
index 9d32b42bf..74a1a9b85 100644
--- a/backend/i18n/lang/zh-Hant.yaml
+++ b/backend/i18n/lang/zh-Hant.yaml
@@ -20,7 +20,7 @@ ErrPortInUsed: "{{ .detail }} 端口已被佔用！"
 ErrAppLimit: "應用超出安裝數量限制"
 ErrAppRequired: "請先安裝 {{ .detail }} 應用"
 ErrNotInstall: "應用未安裝"
-ErrPortInOtherApp: "{{ .port }} 端口已被 {{ .apps }}佔用！"
+ErrPortInOtherApp: "{{ .port }} 端口已被應用 {{ .apps }} 佔用！"
 ErrDbUserNotValid: "儲存資料庫，用戶名密碼不匹配！"
 ErrDockerComposeNotValid: "docker-compose 文件格式錯誤"
 ErrUpdateBuWebsite: '應用更新成功，但是網站配置文件修改失敗，請檢查配置！'
diff --git a/backend/i18n/lang/zh.yaml b/backend/i18n/lang/zh.yaml
index 24488f31d..5146c27d0 100644
--- a/backend/i18n/lang/zh.yaml
+++ b/backend/i18n/lang/zh.yaml
@@ -20,7 +20,7 @@ ErrPortInUsed: "{{ .detail }} 端口已被占用！"
 ErrAppLimit: "应用超出安装数量限制"
 ErrAppRequired: "请先安装 {{ .detail }} 应用"
 ErrNotInstall: "应用未安装"
-ErrPortInOtherApp: "{{ .port }} 端口已被 {{ .apps }}占用！"
+ErrPortInOtherApp: "{{ .port }} 端口已被应用 {{ .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！'