diff --git a/apps/common/auth/handle/impl/chat_user_token.py b/apps/common/auth/handle/impl/chat_user_token.py
index d973f5f9ee2..3ddf7f36d58 100644
--- a/apps/common/auth/handle/impl/chat_user_token.py
+++ b/apps/common/auth/handle/impl/chat_user_token.py
@@ -42,14 +42,10 @@
 
 def get_auth(login_type, user_id, application_id):
     application_access_token_list = QuerySet(ApplicationAccessToken).filter(is_active=True)
-    if login_type.upper() == str(Operate.ANNOTATION_AUTH):
-        application_access_token_list = application_access_token_list.filter(authentication=False)
-    elif login_type.upper() == str(Operate.PASSWORD):
-        application_access_token_list = application_access_token_list.filter(
-            authentication=True, authentication_value__type="password"
-        )
+    # 匿名应用所有人都可以访问；登录用户额外可以访问已授权的登录认证应用（匿名 OR 登录授权）
+    access_condition = Q(authentication=False)
 
-    elif login_type_list.__contains__(login_type.upper()):
+    if login_type_list.__contains__(login_type.upper()):
         user_group_ids = (
             QuerySet(UserGroupRelation)
             .filter(
@@ -77,11 +73,13 @@ def get_auth(login_type, user_id, application_id):
             )
             .values_list("resource_id", flat=True)
         )
-        application_access_token_list = application_access_token_list.filter(
-            Q(authentication_value__type="login"),
-            Q(authentication_value__login_value__contains=login_type),
-            Q(application_id__in=group_qs) | Q(application_id__in=user_qs),
+        access_condition |= (
+            Q(authentication=True)
+            & Q(authentication_value__type="login")
+            & Q(authentication_value__login_value__contains=login_type)
+            & (Q(application_id__in=group_qs) | Q(application_id__in=user_qs))
         )
+    application_access_token_list = application_access_token_list.filter(access_condition)
     if application_id:
         application_access_token_list = application_access_token_list.filter(application_id=application_id)
     permissions = {}
diff --git a/ui/src/conversation-panel/components/message-input/index.ts b/ui/src/conversation-panel/components/message-input/index.ts
index 491b56bdc1b..6a256ddab3f 100644
--- a/ui/src/conversation-panel/components/message-input/index.ts
+++ b/ui/src/conversation-panel/components/message-input/index.ts
@@ -1,4 +1,5 @@
 import { ref, computed, reactive, watch, inject, type Ref, type InjectionKey } from 'vue'
+import type { LocationQuery } from 'vue-router'
 import { pick } from 'lodash'
 import { IMAGE_EXTENSIONS, DOCUMENT_EXTENSIONS, VIDEO_EXTENSIONS, AUDIO_EXTENSIONS } from '@/constants/file-type'
 import { isImage, isDocument, isAudio, isVideo } from '@/utils/icon'
@@ -57,6 +58,8 @@ export interface MessageInputDeps {
   disabled?: Readonly<Ref<boolean>>
   /** 是否在用户输入表单中编辑接口传参，仅调试对话开启。 */
   apiInputEditable?: boolean
+  /** 地址栏参数，接口传参不可编辑时优先使用，缺省时用默认值。 */
+  getRouteQuery?: () => LocationQuery
 }
 
 // 上传请求返回前进度条的最大值
@@ -68,7 +71,7 @@ const UPLOAD_PROGRESS_PENDING_MAX = 95
 export function createMessageInputStore(deps: MessageInputDeps) {
   const { conversations, getChatId, renameChat, composerResetSignal, messages, streamLoading, sendMessage, uploadFile, stop, appInfo } = deps
   const disabled = computed(() => deps.disabled?.value ?? false)
-  const userForm = createUserFormStore({ appInfo, apiInputEditable: deps.apiInputEditable ?? false })
+  const userForm = createUserFormStore({ appInfo, apiInputEditable: deps.apiInputEditable ?? false, getRouteQuery: deps.getRouteQuery })
 
   // 输入状态与附件限制
   const question = ref('')
diff --git a/ui/src/conversation-panel/components/message-input/user-form/index.ts b/ui/src/conversation-panel/components/message-input/user-form/index.ts
index 9da850e4006..b5e60d281da 100644
--- a/ui/src/conversation-panel/components/message-input/user-form/index.ts
+++ b/ui/src/conversation-panel/components/message-input/user-form/index.ts
@@ -1,4 +1,5 @@
 import { computed, ref, watch, type Ref } from 'vue'
+import type { LocationQuery } from 'vue-router'
 import { cloneDeep } from 'lodash'
 import type { DynamicFormValue, FormField } from '@/components/mk-dynamics-form'
 import type { Dict } from '@/api/types'
@@ -78,10 +79,30 @@ function getApiInputFields(properties: BaseNodeProperties): FormField[] {
     .filter(isFormField)
 }
 
+// ===== 地址栏参数 =====
+/** 提问人：不在开始节点配置中，同样由地址栏传入。 */
+const ASKER_FIELD = 'asker'
+
+/** 地址栏参数值：无值参数（?a）视为未传；vue-router 已解码，无需再次解码。 */
+function getQueryValue(query: LocationQuery, field: string): DynamicFormValue | undefined {
+  const value = query[field]
+  if (Array.isArray(value)) {
+    const values = value.filter((item): item is string => item != null)
+    return values.length ? values : undefined
+  }
+  return value ?? undefined
+}
+
+function hasValue(value: DynamicFormValue | undefined) {
+  return value != null && value !== ''
+}
+
 export interface UserFormDeps {
   appInfo: Readonly<Ref<ConversationAppInfo | null>>
   /** 是否在表单中编辑接口传参；仅调试对话开启，其他场景接口传参来自地址栏。 */
   apiInputEditable: boolean
+  /** 地址栏参数，接口传参不可编辑时使用；不传时只使用默认值。 */
+  getRouteQuery?: () => LocationQuery
 }
 
 /**
@@ -89,7 +110,7 @@ export interface UserFormDeps {
  * 表单校验依赖已渲染的表单实例，由 user-form 组件挂载时绑定。
  */
 export function createUserFormStore(deps: UserFormDeps) {
-  const { appInfo, apiInputEditable } = deps
+  const { appInfo, apiInputEditable, getRouteQuery } = deps
 
   const formData = ref<Dict<DynamicFormValue>>({})
   const apiFormData = ref<Dict<DynamicFormValue>>({})
@@ -139,8 +160,33 @@ export function createUserFormStore(deps: UserFormDeps) {
     snapshot = null
   }
 
+  /**
+   * 不可编辑时的接口传参：地址栏有值用地址栏，没有用默认值。
+   * 发送时按当前字段与地址计算，不受智能体信息加载时机、切换智能体清空的影响。
+   */
+  const routeApiFormData = computed(() => {
+    const query = getRouteQuery?.() ?? {}
+    const values: Dict<DynamicFormValue> = {}
+    for (const field of apiInputFields.value) {
+      const value = getQueryValue(query, field.field) ?? field.default_value
+      if (hasValue(value)) values[field.field] = value as DynamicFormValue
+    }
+    const asker = getQueryValue(query, ASKER_FIELD)
+    if (hasValue(asker)) values[ASKER_FIELD] = asker as DynamicFormValue
+    return values
+  })
+
+  /** 实际发送的接口传参：调试对话取表单编辑值，其他场景取地址栏或默认值。 */
+  const getApiFormData = (): Dict<DynamicFormValue> => (apiInputEditable ? apiFormData.value : routeApiFormData.value)
+
+  /** 缺少值的必填接口传参。 */
+  const getMissingApiFields = () => {
+    const values = getApiFormData()
+    return apiInputFields.value.filter((field) => field.required && !hasValue(values[field.field])).map((field) => field.field)
+  }
+
   /** 随消息发送的表单数据，接口传参同名时覆盖用户输入。 */
-  const getFormData = (): Dict<DynamicFormValue> => ({ ...formData.value, ...apiFormData.value })
+  const getFormData = (): Dict<DynamicFormValue> => ({ ...formData.value, ...getApiFormData() })
 
   return {
     formData,
@@ -155,6 +201,7 @@ export function createUserFormStore(deps: UserFormDeps) {
     validate,
     saveSnapshot,
     restoreSnapshot,
+    getMissingApiFields,
     getFormData,
   }
 }
diff --git a/ui/src/conversation-panel/components/message-input/user-form/index.vue b/ui/src/conversation-panel/components/message-input/user-form/index.vue
index cbe28aa4413..19a95509b45 100644
--- a/ui/src/conversation-panel/components/message-input/user-form/index.vue
+++ b/ui/src/conversation-panel/components/message-input/user-form/index.vue
@@ -2,7 +2,7 @@
 import { computed, onBeforeUnmount, onMounted, ref, watch } from 'vue'
 import { useRoute } from 'vue-router'
 import { MkDynamicsForm } from '@/components/mk-dynamics-form'
-import type { DynamicFormValue, FormField } from '@/components/mk-dynamics-form'
+import type { FormField } from '@/components/mk-dynamics-form'
 import type { Dict } from '@/api/types'
 import { MsgWarning } from '@/utils/message'
 import { useMessageInputStore } from '../index'
@@ -104,42 +104,11 @@ const showMoreButton = computed(() => popoverFields.value.length > 0 || (apiInpu
 const formRefreshKey = ref(0)
 watch([inlineFields, popoverFields, apiInputFields], () => formRefreshKey.value++)
 
-// ===== 地址栏参数 =====
-function decodeQuery(query: string) {
-  try {
-    return decodeURIComponent(query)
-  } catch {
-    return query
-  }
-}
-
-function getRouteQueryValue(field: string) {
-  const queryValue = route.query[field]
-  if (queryValue == null) return null
-  if (Array.isArray(queryValue)) {
-    return queryValue.filter((value): value is string => value != null).map(decodeQuery)
-  }
-  return decodeQuery(queryValue)
-}
-
-/** 接口传参未赋值时，从地址栏同名参数回填；同时回填提问人 asker。 */
-function initRouteQueryValue() {
-  const queryValues: Dict<DynamicFormValue> = {}
-  for (const field of [...apiInputFields.value.map((apiField) => apiField.field), 'asker']) {
-    if (apiFormData.value[field]) continue
-    const queryValue = getRouteQueryValue(field)
-    if (queryValue) queryValues[field] = queryValue
-  }
-  if (Object.keys(queryValues).length) {
-    apiFormData.value = { ...apiFormData.value, ...queryValues }
-  }
-}
-
 // ===== 校验 =====
-/** 非调试场景接口传参只能来自地址栏，缺少必填参数时提示补充。 */
+/** 非调试场景接口传参来自地址栏或默认值，均缺少的必填参数提示在地址栏补充。 */
 function validateApiQuery() {
   if (apiInputEditable) return Promise.resolve()
-  const missingFields = apiInputFields.value.filter((field) => field.required && !apiFormData.value[field.field]).map((field) => field.field)
+  const missingFields = userForm.getMissingApiFields()
   if (missingFields.length) {
     MsgWarning(`请在URL中填写参数 ${missingFields.join('、')}的值`)
     return Promise.reject(false)
@@ -198,7 +167,6 @@ onMounted(() => {
       formData.value = {}
     }
   }
-  initRouteQueryValue()
   unbindValidator = userForm.bindValidator(validate)
 
   if (containerRef.value) {
diff --git a/ui/src/conversation-panel/view/chat/index.ts b/ui/src/conversation-panel/view/chat/index.ts
index 3720b954b2d..f6f2c7b667e 100644
--- a/ui/src/conversation-panel/view/chat/index.ts
+++ b/ui/src/conversation-panel/view/chat/index.ts
@@ -1,5 +1,5 @@
 import { computed, ref, watch } from 'vue'
-import { useRoute, useRouter } from 'vue-router'
+import { useRoute, useRouter, type LocationQuery } from 'vue-router'
 import ApplicationApi from '@/api/chat/application'
 import ConversationApi from '@/api/chat/conversation'
 import { useStore } from '@/stores/chat'
@@ -27,8 +27,10 @@ export interface ChatConversationRouting {
   getApplicationId: () => string
   /** 地址中的会话 ID，没有时为空字符串。 */
   getRouteChatId: () => string
-  /** 将当前会话写入地址；会话 ID 为空表示新建对话。 */
+  /** 将当前会话写入地址；会话 ID 为空表示新建对话。需保留地址栏参数（接口传参）。 */
   replaceChatId: (chatId: string) => void
+  /** 地址栏参数，作为接口传参来源。 */
+  getRouteQuery: () => LocationQuery
 }
 
 /** 单应用对话：智能体 ID 取自守卫写入的应用认证前置配置，会话地址为 /:accessToken/c/:chatId。 */
@@ -42,8 +44,12 @@ function useApplicationChatRouting(): ChatConversationRouting {
     getRouteChatId: () => (typeof route.params.chatId === 'string' ? route.params.chatId : ''),
     replaceChatId: (chatId) => {
       const { accessToken } = route.params
-      void router.replace(chatId ? { name: 'chat-home-detail', params: { accessToken, chatId } } : { name: 'chat-home', params: { accessToken } })
+      const { query } = route
+      void router.replace(
+        chatId ? { name: 'chat-home-detail', params: { accessToken, chatId }, query } : { name: 'chat-home', params: { accessToken }, query },
+      )
     },
+    getRouteQuery: () => route.query,
   }
 }
 
@@ -61,7 +67,7 @@ export function createChatUserProfileGetter(): GetChatUserProfile {
  * 当前会话与地址双向同步，切换智能体时重新加载智能体信息与会话。
  */
 export function createChatConversation(routing: ChatConversationRouting = useApplicationChatRouting()): ChatConversationBundle {
-  const { getApplicationId, getRouteChatId, replaceChatId } = routing
+  const { getApplicationId, getRouteChatId, replaceChatId, getRouteQuery } = routing
   const { user } = useStore()
 
   const api: ConversationApiAdapter = {
@@ -116,6 +122,7 @@ export function createChatConversation(routing: ChatConversationRouting = useApp
     stop: msgs.stop,
     speechToText: (data) => ConversationApi.postSpeechToText(getApplicationId(), data),
     appInfo,
+    getRouteQuery,
     // 门户首页、全部智能体页尚未确定智能体时禁止发送
     disabled: computed(() => !getApplicationId()),
   })
diff --git a/ui/src/conversation-panel/view/portal/index.ts b/ui/src/conversation-panel/view/portal/index.ts
index c15c41c57f2..cf17dcc1fbe 100644
--- a/ui/src/conversation-panel/view/portal/index.ts
+++ b/ui/src/conversation-panel/view/portal/index.ts
@@ -24,10 +24,14 @@ function usePortalChatRouting(): ChatConversationRouting {
       const applicationId = getApplicationId()
       // 门户首页与全部智能体页没有智能体，不同步会话地址
       if (!applicationId) return
+      const { query } = route
       void router.replace(
-        chatId ? { name: 'portal-application-chat', params: { applicationId, chatId } } : { name: 'portal-application', params: { applicationId } },
+        chatId
+          ? { name: 'portal-application-chat', params: { applicationId, chatId }, query }
+          : { name: 'portal-application', params: { applicationId }, query },
       )
     },
+    getRouteQuery: () => route.query,
   }
 }
 
@@ -48,7 +52,8 @@ export function createPortalConversation(options: PortalConversationOptions): Po
   const currentApplicationId = computed(routing.getApplicationId)
   const isApplicationListActive = computed(() => route.name === 'portal-application-list')
 
-  const openApplication = (applicationId: string) => void router.push({ name: 'portal-application', params: { applicationId } })
+  // 门户内跳转保留地址栏参数，接口传参对后续打开的智能体同样生效
+  const openApplication = (applicationId: string) => void router.push({ name: 'portal-application', params: { applicationId }, query: route.query })
 
   const portalList = createPortalConversationListStore({
     pageApplicationConversations: (page, size) => PortalApi.getPortalConversationPage(page, size),
@@ -58,8 +63,9 @@ export function createPortalConversation(options: PortalConversationOptions): Po
     currentApplicationId,
     isApplicationListActive,
     openApplication,
-    openConversation: (applicationId, chatId) => void router.push({ name: 'portal-application-chat', params: { applicationId, chatId } }),
-    openApplicationList: () => void router.push({ name: 'portal-application-list' }),
+    openConversation: (applicationId, chatId) =>
+      void router.push({ name: 'portal-application-chat', params: { applicationId, chatId }, query: route.query }),
+    openApplicationList: () => void router.push({ name: 'portal-application-list', query: route.query }),
     openApplicationSelector: options.openApplicationSelector,
   })
 
diff --git a/ui/src/views/application-detail/overview/index.vue b/ui/src/views/application-detail/overview/index.vue
index 5c4e2e189e3..fd4ea816a9b 100644
--- a/ui/src/views/application-detail/overview/index.vue
+++ b/ui/src/views/application-detail/overview/index.vue
@@ -48,9 +48,13 @@ const apiKeySaving = ref(false)
 const chatBasePath = CHAT_API_BASE_PATH.replace(/\/api$/, '')
 
 const apiDocUrl = new URL(`${CHAT_API_BASE_PATH}-doc/`, window.location.origin).href
-
+const apiQuery=computed(()=>{
+return  application.value?.work_flow?.nodes?.find(n=>n.id==='base-node')?.properties?.api_input_field_list.map((f:any)=>{
+  return `${f.variable}=${f.default_value}`
+}).join('&')
+})
 // TODO：访问链接还有问题
-const accessUrl = computed(() => (accessToken.value ? `${window.location.origin}${chatBasePath}/${accessToken.value}` : ''))
+const accessUrl = computed(() => (accessToken.value ? `${window.location.origin}${chatBasePath}/${accessToken.value}?${apiQuery.value}` : ''))
 
 function toUrl(url?: string) {
   if (!url) return