diff --git a/frontend/src/pages/wiki/WikiEditPage.tsx b/frontend/src/pages/wiki/WikiEditPage.tsx
index 30ce3b4..0fcc2b0 100644
--- a/frontend/src/pages/wiki/WikiEditPage.tsx
+++ b/frontend/src/pages/wiki/WikiEditPage.tsx
@@ -1,3 +1,4 @@
+import { useQueryClient } from '@tanstack/react-query'
 import MarkdownIt from 'markdown-it'
 import { useEffect, useState } from 'react'
 import { Helmet } from 'react-helmet-async'
@@ -8,6 +9,7 @@ import MainArea from '@/components/layout/MainArea'
 import { toast } from '@/components/ui/use-toast'
 import { SITE_TITLE } from '@/config'
 import { apiGet, apiPut } from '@/lib/api'
+import { wikiKeys } from '@/lib/queryKeys'
 import Forbidden from '@/pages/Forbidden'
 
 import 'react-markdown-editor-lite/lib/index.css'
@@ -29,6 +31,8 @@ export default (({ user }: Props) => {
 
   const navigate = useNavigate ()
 
+  const qc = useQueryClient ()
+
   const [body, setBody] = useState ('')
   const [loading, setLoading] = useState (true)
   const [title, setTitle] = useState ('')
@@ -42,6 +46,9 @@ export default (({ user }: Props) => {
     {
       await apiPut (`/wiki/${ id }`, formData,
 		    { headers: { 'Content-Type': 'multipart/form-data' } })
+      qc.setQueryData (wikiKeys.show (title, { }),
+		       (prev: WikiPage) => ({ ...prev, title, body }))
+      qc.invalidateQueries ({ queryKey: wikiKeys.root })
       toast ({ title: '投稿成功!' })
       navigate (`/wiki/${ title }`)
     }