diff --git a/landing/app/mira/wiki/[pageName]/page.tsx b/landing/app/mira/wiki/[pageName]/page.tsx
index b5e8e7a..6df40fa 100644
--- a/landing/app/mira/wiki/[pageName]/page.tsx
+++ b/landing/app/mira/wiki/[pageName]/page.tsx
@@ -141,8 +141,12 @@ export default function WikiPagePage({
     return Array.from(groups.entries()).map(([facet, paragraphs]) => ({ facet, paragraphs }));
   }, [paragraphs, triplets]);
 
-  const entity = block?.content?.trim() || decodedName.replace(/^wiki-/, '');
   const isWikiPage = block?.type === 'wiki-page';
+  // 標題：wiki-page 用 content（entity 名稱），其他（index-entry/schema/log/...）用 page_name 剝 prefix
+  // 修 bug：原本一律用 block.content，但 index-entry 的 content 是整篇 markdown，會把整個 content render 成 h1
+  const entity = isWikiPage
+    ? (block?.content?.trim() || decodedName.replace(/^wiki-/, ''))
+    : decodedName.replace(/^(wiki|index)-/, '');
 
   function toggleCollapse(key: string) {
     setCollapsed((c) => ({ ...c, [key]: !c[key] }));
diff --git a/landing/app/mira/wiki/page.tsx b/landing/app/mira/wiki/page.tsx
index 7b96d7e..3e9d586 100644
--- a/landing/app/mira/wiki/page.tsx
+++ b/landing/app/mira/wiki/page.tsx
@@ -6,7 +6,7 @@
 // 階段 7-A 已建：mira-wiki-schema、mira-wiki-index(+4 children)、mira-wiki-log(+1 child)
 // 此頁列出這些 infra block 與既有 wiki-page，方便 leo 在瀏覽器確認 schema 寫得對不對
 
-import { useEffect, useState } from 'react';
+import { useEffect, useMemo, useState } from 'react';
 import Link from 'next/link';
 import '../mira.css';
 
@@ -124,6 +124,27 @@ export default function WikiIndexPage() {
     };
   }, []);
 
+  // Dedupe wiki-pages by entity（content）— 累積式設計每個 raw 各建一個 wiki-page，
+  // 同 entity 多版只在 listing 顯示最新一張卡 + 版本數提示
+  const dedupedWikiPages = useMemo(() => {
+    const groups = new Map<string, { entity: string; latest: Block; versionCount: number }>();
+    for (const p of otherWikiPages) {
+      const entity = (p.content || '').trim() || p.page_name || '?';
+      const existing = groups.get(entity);
+      if (!existing) {
+        groups.set(entity, { entity, latest: p, versionCount: 1 });
+      } else {
+        existing.versionCount++;
+        if ((p.created_at ?? 0) > (existing.latest.created_at ?? 0)) {
+          existing.latest = p;
+        }
+      }
+    }
+    return Array.from(groups.values()).sort(
+      (a, b) => (b.latest.created_at ?? 0) - (a.latest.created_at ?? 0),
+    );
+  }, [otherWikiPages]);
+
   return (
     <main className="mira-app">
       <div className="mira-content">
@@ -220,18 +241,18 @@ export default function WikiIndexPage() {
               )}
             </Section>
 
-            <Section title={`📖 Wiki Pages（${otherWikiPages.length}）`}>
-              {otherWikiPages.length > 0 ? (
+            <Section title={`📖 Wiki Pages（${dedupedWikiPages.length}，原 ${otherWikiPages.length} 筆累積版本）`}>
+              {dedupedWikiPages.length > 0 ? (
                 <div style={{ display: 'grid', gap: 8 }}>
-                  {otherWikiPages.map((p) => (
+                  {dedupedWikiPages.map((g) => (
                     <WikiCardLink
-                      key={p.id}
-                      page_name={p.page_name}
-                      title={(p.content || '').trim() || p.page_name}
+                      key={g.latest.id}
+                      page_name={g.latest.page_name}
+                      title={g.entity}
                       excerpt={
-                        p.created_at
-                          ? `建立 ${new Date(p.created_at * 1000).toLocaleString('zh-TW')}`
-                          : p.page_name
+                        g.versionCount > 1
+                          ? `${g.versionCount} 版累積 ・ 最新 ${new Date((g.latest.created_at ?? 0) * 1000).toLocaleString('zh-TW')}`
+                          : `建立 ${new Date((g.latest.created_at ?? 0) * 1000).toLocaleString('zh-TW')}`
                       }
                     />
                   ))}