diff --git a/ui/src/api/types/chat-auth.ts b/ui/src/api/types/chat-auth.ts
index 7e2a9aaa8f9..0e87cf3cc1a 100644
--- a/ui/src/api/types/chat-auth.ts
+++ b/ui/src/api/types/chat-auth.ts
@@ -20,11 +20,15 @@ export interface ApplicationAuthProfileMeta {
   application_name: string
 }
 
+export interface PortalAuthProfileMeta {
+  portal_name: string
+}
+
 /** 单应用对话的认证前置配置。 */
 export type ApplicationAuthProfile = AuthProfile<ApplicationAuthProfileMeta>
 
 /** 门户的认证前置配置。 */
-export type PortalAuthProfile = AuthProfile
+export type PortalAuthProfile = AuthProfile<PortalAuthProfileMeta>
 
 export interface ChatLoginRequest {
   username: string
diff --git a/ui/src/views/chat/login/index.vue b/ui/src/views/chat/login/index.vue
index d24cd0a7326..0fefb383841 100644
--- a/ui/src/views/chat/login/index.vue
+++ b/ui/src/views/chat/login/index.vue
@@ -8,7 +8,7 @@ import { v7 as uuidv7 } from 'uuid'
 import ChatAuthApi from '@/api/chat/auth'
 import { CHAT_API_BASE_PATH } from '@/api/constants'
 import { LOGIN_METHOD } from '@/api/enums'
-import type { ApplicationAuthProfileMeta, LoginConfig, LoginMethod } from '@/api/types'
+import type { ApplicationAuthProfileMeta, LoginConfig, LoginMethod, PortalAuthProfileMeta } from '@/api/types'
 import { useStore } from '@/stores/chat'
 import LoginModePanel from '@/views/login/components/LoginModePanel.vue'
 import type { LoginService } from '@/views/login/types'
@@ -23,7 +23,9 @@ const { auth } = useStore()
 const isClientLoggingIn = ref(false)
 console.log(auth)
 const loginTitle = computed(() => {
-  if (auth.isPortal) return '门户登录'
+  if (auth.isPortal) {
+    return (auth.authProfile?.meta as PortalAuthProfileMeta | undefined)?.portal_name || '门户登录'
+  }
   return (auth.authProfile?.meta as ApplicationAuthProfileMeta | undefined)?.application_name || '登录'
 })