diff --git a/web/app/components/app/app-publisher/features-wrapper.tsx b/web/app/components/app/app-publisher/features-wrapper.tsx
index 409c390f4b..4b64558016 100644
--- a/web/app/components/app/app-publisher/features-wrapper.tsx
+++ b/web/app/components/app/app-publisher/features-wrapper.tsx
@@ -22,37 +22,39 @@ const FeaturesWrappedAppPublisher = (props: Props) => {
   const features = useFeatures(s => s.features)
   const featuresStore = useFeaturesStore()
   const [restoreConfirmOpen, setRestoreConfirmOpen] = useState(false)
+  const { more_like_this, opening_statement, suggested_questions, sensitive_word_avoidance, speech_to_text, text_to_speech, suggested_questions_after_answer, retriever_resource, annotation_reply, file_upload, resetAppConfig } = props.publishedConfig.modelConfig
+
   const handleConfirm = useCallback(() => {
-    props.resetAppConfig?.()
+    resetAppConfig?.()
     const {
       features,
       setFeatures,
     } = featuresStore!.getState()
     const newFeatures = produce(features, (draft) => {
-      draft.moreLikeThis = props.publishedConfig.modelConfig.more_like_this || { enabled: false }
+      draft.moreLikeThis = more_like_this || { enabled: false }
       draft.opening = {
-        enabled: !!props.publishedConfig.modelConfig.opening_statement,
-        opening_statement: props.publishedConfig.modelConfig.opening_statement || '',
-        suggested_questions: props.publishedConfig.modelConfig.suggested_questions || [],
+        enabled: !!opening_statement,
+        opening_statement: opening_statement || '',
+        suggested_questions: suggested_questions || [],
       }
-      draft.moderation = props.publishedConfig.modelConfig.sensitive_word_avoidance || { enabled: false }
-      draft.speech2text = props.publishedConfig.modelConfig.speech_to_text || { enabled: false }
-      draft.text2speech = props.publishedConfig.modelConfig.text_to_speech || { enabled: false }
-      draft.suggested = props.publishedConfig.modelConfig.suggested_questions_after_answer || { enabled: false }
-      draft.citation = props.publishedConfig.modelConfig.retriever_resource || { enabled: false }
-      draft.annotationReply = props.publishedConfig.modelConfig.annotation_reply || { enabled: false }
+      draft.moderation = sensitive_word_avoidance || { enabled: false }
+      draft.speech2text = speech_to_text || { enabled: false }
+      draft.text2speech = text_to_speech || { enabled: false }
+      draft.suggested = suggested_questions_after_answer || { enabled: false }
+      draft.citation = retriever_resource || { enabled: false }
+      draft.annotationReply = annotation_reply || { enabled: false }
       draft.file = {
         image: {
-          detail: props.publishedConfig.modelConfig.file_upload?.image?.detail || Resolution.high,
-          enabled: !!props.publishedConfig.modelConfig.file_upload?.image?.enabled,
-          number_limits: props.publishedConfig.modelConfig.file_upload?.image?.number_limits || 3,
-          transfer_methods: props.publishedConfig.modelConfig.file_upload?.image?.transfer_methods || ['local_file', 'remote_url'],
+          detail: file_upload?.image?.detail || Resolution.high,
+          enabled: !!file_upload?.image?.enabled,
+          number_limits: file_upload?.image?.number_limits || 3,
+          transfer_methods: file_upload?.image?.transfer_methods || ['local_file', 'remote_url'],
         },
-        enabled: !!(props.publishedConfig.modelConfig.file_upload?.enabled || props.publishedConfig.modelConfig.file_upload?.image?.enabled),
-        allowed_file_types: props.publishedConfig.modelConfig.file_upload?.allowed_file_types || [SupportUploadFileTypes.image],
-        allowed_file_extensions: props.publishedConfig.modelConfig.file_upload?.allowed_file_extensions || FILE_EXTS[SupportUploadFileTypes.image].map(ext => `.${ext}`),
-        allowed_file_upload_methods: props.publishedConfig.modelConfig.file_upload?.allowed_file_upload_methods || props.publishedConfig.modelConfig.file_upload?.image?.transfer_methods || ['local_file', 'remote_url'],
-        number_limits: props.publishedConfig.modelConfig.file_upload?.number_limits || props.publishedConfig.modelConfig.file_upload?.image?.number_limits || 3,
+        enabled: !!(file_upload?.enabled || file_upload?.image?.enabled),
+        allowed_file_types: file_upload?.allowed_file_types || [SupportUploadFileTypes.image],
+        allowed_file_extensions: file_upload?.allowed_file_extensions || FILE_EXTS[SupportUploadFileTypes.image].map(ext => `.${ext}`),
+        allowed_file_upload_methods: file_upload?.allowed_file_upload_methods || file_upload?.image?.transfer_methods || ['local_file', 'remote_url'],
+        number_limits: file_upload?.number_limits || file_upload?.image?.number_limits || 3,
       } as FileUpload
     })
     setFeatures(newFeatures)
@@ -69,7 +71,7 @@ const FeaturesWrappedAppPublisher = (props: Props) => {
         ...props,
         onPublish: handlePublish,
         onRestore: () => setRestoreConfirmOpen(true),
-      }}/>
+      }} />
       {restoreConfirmOpen && (
         <Confirm
           title={t('appDebug.resetConfig.title')}
diff --git a/web/app/components/app/app-publisher/index.tsx b/web/app/components/app/app-publisher/index.tsx
index ddd0459772..9a77cc8059 100644
--- a/web/app/components/app/app-publisher/index.tsx
+++ b/web/app/components/app/app-publisher/index.tsx
@@ -1,10 +1,25 @@
+import EmbeddedModal from '@/app/components/app/overview/embedded'
+import { useStore as useAppStore } from '@/app/components/app/store'
+import Button from '@/app/components/base/button'
+import { CodeBrowser } from '@/app/components/base/icons/src/vender/line/development'
 import {
-  memo,
-  useCallback,
-  useEffect,
-  useState,
-} from 'react'
-import { useTranslation } from 'react-i18next'
+  PortalToFollowElem,
+  PortalToFollowElemContent,
+  PortalToFollowElemTrigger,
+} from '@/app/components/base/portal-to-follow-elem'
+import WorkflowToolConfigureButton from '@/app/components/tools/workflow-tool/configure-button'
+import type { CommonNodeType } from '@/app/components/workflow/types'
+import { BlockEnum, type InputVar } from '@/app/components/workflow/types'
+import { appDefaultIconBackground } from '@/config'
+import { useGlobalPublicStore } from '@/context/global-public-context'
+import { useFormatTimeFromNow } from '@/hooks/use-format-time-from-now'
+import { AccessMode } from '@/models/access-control'
+import { useAppWhiteListSubjects, useGetUserCanAccessApp } from '@/service/access-control'
+import { fetchAppDetail } from '@/service/apps'
+import { fetchInstalledAppList } from '@/service/explore'
+import { AppModeEnum } from '@/types/app'
+import type { PublishWorkflowParams } from '@/types/workflow'
+import { basePath } from '@/utils/var'
 import {
   RiArrowDownSLine,
   RiArrowRightSLine,
@@ -18,35 +33,61 @@ import {
   RiVerifiedBadgeLine,
 } from '@remixicon/react'
 import { useKeyPress } from 'ahooks'
-import { getKeyboardKeyCodeBySystem, getKeyboardKeyNameBySystem } from '../../workflow/utils'
-import Toast from '../../base/toast'
-import type { ModelAndParameter } from '../configuration/debug/types'
-import Divider from '../../base/divider'
-import AccessControl from '../app-access-control'
-import Loading from '../../base/loading'
-import Tooltip from '../../base/tooltip'
-import SuggestedAction from './suggested-action'
-import PublishWithMultipleModel from './publish-with-multiple-model'
-import Button from '@/app/components/base/button'
 import {
-  PortalToFollowElem,
-  PortalToFollowElemContent,
-  PortalToFollowElemTrigger,
-} from '@/app/components/base/portal-to-follow-elem'
-import { basePath } from '@/utils/var'
-import { fetchInstalledAppList } from '@/service/explore'
-import EmbeddedModal from '@/app/components/app/overview/embedded'
-import { useStore as useAppStore } from '@/app/components/app/store'
-import { CodeBrowser } from '@/app/components/base/icons/src/vender/line/development'
-import WorkflowToolConfigureButton from '@/app/components/tools/workflow-tool/configure-button'
-import type { InputVar } from '@/app/components/workflow/types'
-import { appDefaultIconBackground } from '@/config'
-import type { PublishWorkflowParams } from '@/types/workflow'
-import { useAppWhiteListSubjects, useGetUserCanAccessApp } from '@/service/access-control'
-import { AccessMode } from '@/models/access-control'
-import { fetchAppDetail } from '@/service/apps'
-import { useGlobalPublicStore } from '@/context/global-public-context'
-import { useFormatTimeFromNow } from '@/hooks/use-format-time-from-now'
+  memo,
+  useCallback,
+  useEffect,
+  useMemo,
+  useState,
+} from 'react'
+import { useTranslation } from 'react-i18next'
+import { useNodes } from 'reactflow'
+import Divider from '../../base/divider'
+import Loading from '../../base/loading'
+import Toast from '../../base/toast'
+import Tooltip from '../../base/tooltip'
+import { getKeyboardKeyCodeBySystem, getKeyboardKeyNameBySystem } from '../../workflow/utils'
+import AccessControl from '../app-access-control'
+import type { ModelAndParameter } from '../configuration/debug/types'
+import PublishWithMultipleModel from './publish-with-multiple-model'
+import SuggestedAction from './suggested-action'
+
+const ACCESS_MODE_MAP: Record<AccessMode, { label: string, icon: React.ElementType }> = {
+  [AccessMode.ORGANIZATION]: {
+    label: 'organization',
+    icon: RiBuildingLine,
+  },
+  [AccessMode.SPECIFIC_GROUPS_MEMBERS]: {
+    label: 'specific',
+    icon: RiLockLine,
+  },
+  [AccessMode.PUBLIC]: {
+    label: 'anyone',
+    icon: RiGlobalLine,
+  },
+  [AccessMode.EXTERNAL_MEMBERS]: {
+    label: 'external',
+    icon: RiVerifiedBadgeLine,
+  },
+}
+
+const AccessModeDisplay: React.FC<{ mode?: AccessMode }> = ({ mode }) => {
+  const { t } = useTranslation()
+
+  if (!mode || !ACCESS_MODE_MAP[mode])
+    return null
+
+  const { icon: Icon, label } = ACCESS_MODE_MAP[mode]
+
+  return (
+    <>
+      <Icon className='h-4 w-4 shrink-0 text-text-secondary' />
+      <div className='grow truncate'>
+        <span className='system-sm-medium text-text-secondary'>{t(`app.accessControlDialog.accessItems.${label}`)}</span>
+      </div>
+    </>
+  )
+}
 
 export type AppPublisherProps = {
   disabled?: boolean
@@ -86,26 +127,46 @@ const AppPublisher = ({
   workflowToolAvailable = true,
 }: AppPublisherProps) => {
   const { t } = useTranslation()
+
   const [published, setPublished] = useState(false)
   const [open, setOpen] = useState(false)
+  const [showAppAccessControl, setShowAppAccessControl] = useState(false)
+  const [isAppAccessSet, setIsAppAccessSet] = useState(true)
+  const [embeddingModalOpen, setEmbeddingModalOpen] = useState(false)
+
   const appDetail = useAppStore(state => state.appDetail)
   const setAppDetail = useAppStore(s => s.setAppDetail)
   const systemFeatures = useGlobalPublicStore(s => s.systemFeatures)
   const { formatTimeFromNow } = useFormatTimeFromNow()
   const { app_base_url: appBaseURL = '', access_token: accessToken = '' } = appDetail?.site ?? {}
-  const appMode = (appDetail?.mode !== 'completion' && appDetail?.mode !== 'workflow') ? 'chat' : appDetail.mode
+
+  const appMode = (appDetail?.mode !== AppModeEnum.COMPLETION && appDetail?.mode !== AppModeEnum.WORKFLOW) ? AppModeEnum.CHAT : appDetail.mode
   const appURL = `${appBaseURL}${basePath}/${appMode}/${accessToken}`
-  const isChatApp = ['chat', 'agent-chat', 'completion'].includes(appDetail?.mode || '')
+  const isChatApp = [AppModeEnum.CHAT, AppModeEnum.AGENT_CHAT, AppModeEnum.COMPLETION].includes(appDetail?.mode || AppModeEnum.CHAT)
+
   const { data: userCanAccessApp, isLoading: isGettingUserCanAccessApp, refetch } = useGetUserCanAccessApp({ appId: appDetail?.id, enabled: false })
   const { data: appAccessSubjects, isLoading: isGettingAppWhiteListSubjects } = useAppWhiteListSubjects(appDetail?.id, open && systemFeatures.webapp_auth.enabled && appDetail?.access_mode === AccessMode.SPECIFIC_GROUPS_MEMBERS)
 
+  const nodes = useNodes<CommonNodeType>()
+  const missingStartNode = !nodes.some(node => node.data.type === BlockEnum.Start)
+
+  const noAccessPermission = useMemo(() => systemFeatures.webapp_auth.enabled && appDetail && appDetail.access_mode !== AccessMode.EXTERNAL_MEMBERS && !userCanAccessApp?.result, [systemFeatures, appDetail, userCanAccessApp])
+  const disabledFunctionButton = useMemo(() => (!publishedAt || missingStartNode || noAccessPermission), [publishedAt, missingStartNode, noAccessPermission])
+
+  const disabledFunctionTooltip = useMemo(() => {
+    if (!publishedAt)
+      return t('app.notPublishedYet')
+    if (missingStartNode)
+      return t('app.noUserInputNode')
+    if (noAccessPermission)
+      return t('app.noAccessPermission')
+  }, [missingStartNode, noAccessPermission, publishedAt])
+
   useEffect(() => {
     if (systemFeatures.webapp_auth.enabled && open && appDetail)
       refetch()
   }, [open, appDetail, refetch, systemFeatures])
 
-  const [showAppAccessControl, setShowAppAccessControl] = useState(false)
-  const [isAppAccessSet, setIsAppAccessSet] = useState(true)
   useEffect(() => {
     if (appDetail && appAccessSubjects) {
       if (appDetail.access_mode === AccessMode.SPECIFIC_GROUPS_MEMBERS && appAccessSubjects.groups?.length === 0 && appAccessSubjects.members?.length === 0)
@@ -171,8 +232,6 @@ const AppPublisher = ({
     })
   }, [appDetail, setAppDetail])
 
-  const [embeddingModalOpen, setEmbeddingModalOpen] = useState(false)
-
   useKeyPress(`${getKeyboardKeyCodeBySystem('ctrl')}.shift.p`, (e) => {
     e.preventDefault()
     if (publishDisabled || published)
@@ -280,32 +339,7 @@ const AppPublisher = ({
                       setShowAppAccessControl(true)
                     }}>
                     <div className='flex grow items-center gap-x-1.5 overflow-hidden pr-1'>
-                      {appDetail?.access_mode === AccessMode.ORGANIZATION
-                        && <>
-                          <RiBuildingLine className='h-4 w-4 shrink-0 text-text-secondary' />
-                          <p className='system-sm-medium text-text-secondary'>{t('app.accessControlDialog.accessItems.organization')}</p>
-                        </>
-                      }
-                      {appDetail?.access_mode === AccessMode.SPECIFIC_GROUPS_MEMBERS
-                        && <>
-                          <RiLockLine className='h-4 w-4 shrink-0 text-text-secondary' />
-                          <div className='grow truncate'>
-                            <span className='system-sm-medium text-text-secondary'>{t('app.accessControlDialog.accessItems.specific')}</span>
-                          </div>
-                        </>
-                      }
-                      {appDetail?.access_mode === AccessMode.PUBLIC
-                        && <>
-                          <RiGlobalLine className='h-4 w-4 shrink-0 text-text-secondary' />
-                          <p className='system-sm-medium text-text-secondary'>{t('app.accessControlDialog.accessItems.anyone')}</p>
-                        </>
-                      }
-                      {appDetail?.access_mode === AccessMode.EXTERNAL_MEMBERS
-                        && <>
-                          <RiVerifiedBadgeLine className='h-4 w-4 shrink-0 text-text-secondary' />
-                          <p className='system-sm-medium text-text-secondary'>{t('app.accessControlDialog.accessItems.external')}</p>
-                        </>
-                      }
+                      <AccessModeDisplay mode={appDetail?.access_mode} />
                     </div>
                     {!isAppAccessSet && <p className='system-xs-regular shrink-0 text-text-tertiary'>{t('app.publishApp.notSet')}</p>}
                     <div className='flex h-4 w-4 shrink-0 items-center justify-center'>
@@ -315,22 +349,22 @@ const AppPublisher = ({
                   {!isAppAccessSet && <p className='system-xs-regular mt-1 text-text-warning'>{t('app.publishApp.notSetDesc')}</p>}
                 </div>}
                 <div className='flex flex-col gap-y-1 border-t-[0.5px] border-t-divider-regular p-4 pt-3'>
-                  <Tooltip triggerClassName='flex' disabled={!systemFeatures.webapp_auth.enabled || appDetail?.access_mode === AccessMode.EXTERNAL_MEMBERS || userCanAccessApp?.result} popupContent={t('app.noAccessPermission')} asChild={false}>
+                  <Tooltip triggerClassName='flex' disabled={!disabledFunctionButton} popupContent={disabledFunctionTooltip} asChild={false}>
                     <SuggestedAction
                       className='flex-1'
-                      disabled={!publishedAt || (systemFeatures.webapp_auth.enabled && appDetail?.access_mode !== AccessMode.EXTERNAL_MEMBERS && !userCanAccessApp?.result)}
+                      disabled={disabledFunctionButton}
                       link={appURL}
                       icon={<RiPlayCircleLine className='h-4 w-4' />}
                     >
                       {t('workflow.common.runApp')}
                     </SuggestedAction>
                   </Tooltip>
-                  {appDetail?.mode === 'workflow' || appDetail?.mode === 'completion'
+                  {appDetail?.mode === AppModeEnum.WORKFLOW || appDetail?.mode === AppModeEnum.COMPLETION
                     ? (
-                      <Tooltip triggerClassName='flex' disabled={!systemFeatures.webapp_auth.enabled || appDetail.access_mode === AccessMode.EXTERNAL_MEMBERS || userCanAccessApp?.result} popupContent={t('app.noAccessPermission')} asChild={false}>
+                      <Tooltip triggerClassName='flex' disabled={!disabledFunctionButton} popupContent={disabledFunctionTooltip} asChild={false}>
                         <SuggestedAction
                           className='flex-1'
-                          disabled={!publishedAt || (systemFeatures.webapp_auth.enabled && appDetail.access_mode !== AccessMode.EXTERNAL_MEMBERS && !userCanAccessApp?.result)}
+                          disabled={disabledFunctionButton}
                           link={`${appURL}${appURL.includes('?') ? '&' : '?'}mode=batch`}
                           icon={<RiPlayList2Line className='h-4 w-4' />}
                         >
@@ -350,26 +384,29 @@ const AppPublisher = ({
                         {t('workflow.common.embedIntoSite')}
                       </SuggestedAction>
                     )}
-                  <Tooltip triggerClassName='flex' disabled={!systemFeatures.webapp_auth.enabled || userCanAccessApp?.result} popupContent={t('app.noAccessPermission')} asChild={false}>
+                  <Tooltip triggerClassName='flex' disabled={!disabledFunctionButton} popupContent={disabledFunctionTooltip} asChild={false}>
                     <SuggestedAction
                       className='flex-1'
                       onClick={() => {
                         if (publishedAt)
                           handleOpenInExplore()
                       }}
-                      disabled={!publishedAt || (systemFeatures.webapp_auth.enabled && !userCanAccessApp?.result)}
+                      disabled={disabledFunctionButton}
                       icon={<RiPlanetLine className='h-4 w-4' />}
                     >
                       {t('workflow.common.openInExplore')}
                     </SuggestedAction>
                   </Tooltip>
-                  <SuggestedAction
-                    disabled={!publishedAt}
-                    link='./develop'
-                    icon={<RiTerminalBoxLine className='h-4 w-4' />}
-                  >
-                    {t('workflow.common.accessAPIReference')}
-                  </SuggestedAction>
+                  <Tooltip triggerClassName='flex' disabled={!!publishedAt && !missingStartNode} popupContent={!publishedAt ? t('app.notPublishedYet') : t('app.noUserInputNode')} asChild={false}>
+                    <SuggestedAction
+                      className='flex-1'
+                      disabled={!publishedAt || missingStartNode}
+                      link='./develop'
+                      icon={<RiTerminalBoxLine className='h-4 w-4' />}
+                    >
+                      {t('workflow.common.accessAPIReference')}
+                    </SuggestedAction>
+                  </Tooltip>
                   {appDetail?.mode === 'workflow' && (
                     <WorkflowToolConfigureButton
                       disabled={workflowToolDisabled}
diff --git a/web/i18n/en-US/app.ts b/web/i18n/en-US/app.ts
index 7b3fead6e4..99bab2893c 100644
--- a/web/i18n/en-US/app.ts
+++ b/web/i18n/en-US/app.ts
@@ -254,6 +254,8 @@ const translation = {
     notSetDesc: 'Currently nobody can access the web app. Please set permissions.',
   },
   noAccessPermission: 'No permission to access web app',
+  noUserInputNode: 'Missing user input node',
+  notPublishedYet: 'App is not published yet',
   maxActiveRequests: 'Max concurrent requests',
   maxActiveRequestsPlaceholder: 'Enter 0 for unlimited',
   maxActiveRequestsTip: 'Maximum number of concurrent active requests per app (0 for unlimited)',
diff --git a/web/i18n/zh-Hans/app.ts b/web/i18n/zh-Hans/app.ts
index cdc2ba1ad7..f6eb3b2b1b 100644
--- a/web/i18n/zh-Hans/app.ts
+++ b/web/i18n/zh-Hans/app.ts
@@ -253,6 +253,8 @@ const translation = {
     notSetDesc: '当前任何人都无法访问 Web 应用。请设置访问权限。',
   },
   noAccessPermission: '没有权限访问 web 应用',
+  noUserInputNode: '缺少用户输入节点',
+  notPublishedYet: '应用暂未发布',
   maxActiveRequests: '最大活跃请求数',
   maxActiveRequestsPlaceholder: '0 表示不限制',
   maxActiveRequestsTip: '当前应用的最大活跃请求数（0 表示不限制）',
diff --git a/web/types/app.ts b/web/types/app.ts
index abc5b34ca5..7b0b8305c1 100644
--- a/web/types/app.ts
+++ b/web/types/app.ts
@@ -59,8 +59,14 @@ export type VariableInput = {
 /**
  * App modes
  */
-export const AppModes = ['advanced-chat', 'agent-chat', 'chat', 'completion', 'workflow'] as const
-export type AppMode = typeof AppModes[number]
+export enum AppModeEnum {
+  COMPLETION = 'completion',
+  WORKFLOW = 'workflow',
+  CHAT = 'chat',
+  ADVANCED_CHAT = 'advanced-chat',
+  AGENT_CHAT = 'agent-chat',
+}
+export const AppModes = [AppModeEnum.COMPLETION, AppModeEnum.WORKFLOW, AppModeEnum.CHAT, AppModeEnum.ADVANCED_CHAT, AppModeEnum.AGENT_CHAT] as const
 
 /**
  * Variable type
@@ -330,7 +336,7 @@ export type App = {
   use_icon_as_answer_icon: boolean
 
   /** Mode */
-  mode: AppMode
+  mode: AppModeEnum
   /** Enable web app */
   enable_site: boolean
   /** Enable web API */
@@ -378,7 +384,7 @@ export type AppTemplate = {
   /** Description */
   description: string
   /** Mode */
-  mode: AppMode
+  mode: AppModeEnum
   /** Model */
   model_config: ModelConfig
 }