diff --git a/backend/app/service/website_group.go b/backend/app/service/website_group.go
index b49aa37c0..ba1143717 100644
--- a/backend/app/service/website_group.go
+++ b/backend/app/service/website_group.go
@@ -53,5 +53,9 @@ func (w WebsiteGroupService) UpdateGroup(update request.WebsiteGroupUpdate) erro
 }
 
 func (w WebsiteGroupService) DeleteGroup(id uint) error {
+	websites, _ := websiteRepo.GetBy(websiteRepo.WithGroupID(id))
+	if len(websites) > 0 {
+		return buserr.New(constant.ErrGroupIsUsed)
+	}
 	return websiteGroupRepo.DeleteBy(commonRepo.WithByID(id))
 }
diff --git a/backend/constant/errs.go b/backend/constant/errs.go
index e4a0803fc..91547bbe9 100644
--- a/backend/constant/errs.go
+++ b/backend/constant/errs.go
@@ -64,6 +64,7 @@ var (
 	ErrDomainIsExist = "ErrDomainIsExist"
 	ErrAliasIsExist  = "ErrAliasIsExist"
 	ErrAppDelete     = "ErrAppDelete"
+	ErrGroupIsUsed   = "ErrGroupIsUsed"
 )
 
 //ssl
diff --git a/backend/i18n/lang/en.yaml b/backend/i18n/lang/en.yaml
index e730d53a4..67aa865f9 100644
--- a/backend/i18n/lang/en.yaml
+++ b/backend/i18n/lang/en.yaml
@@ -33,6 +33,7 @@ ErrPathNotFound: "Path is not found"
 ErrDomainIsExist: "Domain is already exist"
 ErrAliasIsExist: "Alias is already exist"
 ErrAppDelete: 'Other Website use this App'
+ErrGroupIsUsed: 'The group has been associated with a website and cannot be deleted'
 
 #ssl
 ErrSSLCannotDelete: "The certificate is being used by the website and cannot be removed"
diff --git a/backend/i18n/lang/zh.yaml b/backend/i18n/lang/zh.yaml
index f48994cab..e4c51cd4b 100644
--- a/backend/i18n/lang/zh.yaml
+++ b/backend/i18n/lang/zh.yaml
@@ -32,7 +32,8 @@ ErrPathNotFound: "目录不存在"
 #website
 ErrDomainIsExist: "域名已存在"
 ErrAliasIsExist: "代号已存在"
-ErrAppDelete: '其他网站使用此应用,不能删除'
+ErrAppDelete: '其他网站使用此应用,无法删除'
+ErrGroupIsUsed: '分组已经关联网站，无法删除'
 
 #ssl
 ErrSSLCannotDelete: "证书正在被网站使用，无法删除"