diff --git a/frontend/src/components/TopNav.tsx b/frontend/src/components/TopNav.tsx
index 428a7d7..1d72c88 100644
--- a/frontend/src/components/TopNav.tsx
+++ b/frontend/src/components/TopNav.tsx
@@ -129,7 +129,7 @@ const TopNav: React.FC = ({ user, setUser }: Props) => {
                   {/^\/wiki\/(?!new|changes)[^\/]+/.test (location.pathname) &&
                       <>
                         <Separator />
-                        <Link to={`/posts?tags=${ location.pathname.split ('/')[2] }`} className={subClass}>投稿</Link>
+                        <Link to={`/posts?tags=${ location.pathname.split ('/')[2] }`} className={subClass}>広場</Link>
                         <Link to={`/wiki/changes?id=${ wikiId }`} className={subClass}>履歴</Link>
                         <Link to={`/wiki/${ wikiId || location.pathname.split ('/')[2] }/edit`} className={subClass}>編輯</Link>
                       </>}
diff --git a/frontend/src/pages/WikiHistoryPage.tsx b/frontend/src/pages/WikiHistoryPage.tsx
index 7bb5a9f..4a826f9 100644
--- a/frontend/src/pages/WikiHistoryPage.tsx
+++ b/frontend/src/pages/WikiHistoryPage.tsx
@@ -33,9 +33,12 @@ export default () => {
           <tbody>
             {changes.map (change => (
                 <tr key={change.sha}>
-                  <td>差分</td>
+                  <td>{change.change_type === 'update' && (
+                      <Link>
+                        差分
+                      </Link>)}</td>
                   <td className="p-2">
-                    <Link to={`/wiki/${ encodeURIComponent (change.wiki_page.title) }`}
+                    <Link to={`/wiki/${ encodeURIComponent (change.wiki_page.title) }?version=${ change.sha }`}
                           className="text-blue-400 hover:underline">
                       {change.wiki_page.title}
                     </Link>
@@ -44,9 +47,12 @@ export default () => {
                     {(() => {
                       switch (change.change_type)
                       {
-                      case 'create':  return '新規'
-                      case 'update':  return '更新'
-                      case 'delete':  return '削除'
+                      case 'create':
+                        return '新規'
+                      case 'update':
+                        return '更新'
+                      case 'delete':
+                        return '削除'
                       }
                     }) ()}
                   </td>