diff --git a/web/static/dev.html b/web/static/dev.html
index 6f4bb44..945ec2f 100644
--- a/web/static/dev.html
+++ b/web/static/dev.html
@@ -506,6 +506,7 @@
   }
   .kb-ingest-err { margin-top: 8px; font-size: 12px; color: #b45309; }
   .kb-pending { padding: 3px 0; font-size: 12px; color: var(--muted); }
+  .kb-src-name { font-weight: 400; font-size: 11px; color: var(--muted); margin-left: 6px; }
   .kb-entry { display: flex; align-items: flex-start; gap: 6px; padding: 6px 0; border-bottom: 1px dashed var(--border); }
   .kb-entry-main { flex: 1; min-width: 0; cursor: pointer; }
   /* 标题/摘要各压一行省略(sk-item 的省略规则只覆盖左栏,这里单列);全文在悬停 title */
diff --git a/web/static/js/kb.js b/web/static/js/kb.js
index 20a171b..1957194 100644
--- a/web/static/js/kb.js
+++ b/web/static/js/kb.js
@@ -135,11 +135,11 @@ function renderDetail(d) {
         const doc = e.doc.replace(/^docs\//, "");
         const src = (e.source || "").replace(/^sources\//, "");
         if (src) _docSources[doc] = src;
-        // 行内只留标题 + 单行摘要(CSS 省略);完整摘要/关键词进 title 悬停提示,不占行高
-        const tip = e.summary + (e.keywords ? "\n关键词: " + e.keywords : "");
+        // 行内只留标题(+原件名小字)+ 单行摘要(CSS 省略);完整摘要/关键词进 title 悬停提示,不占行高
+        const tip = e.summary + (e.keywords ? "\n关键词: " + e.keywords : "") + (src ? "\n原件: " + src : "");
         return `<div class="kb-entry">
         <div class="kb-entry-main" data-doc="${escapeHtml(doc)}" title="${escapeHtml(tip)}">
-          <div class="sk-name">${escapeHtml(e.title)}</div>
+          <div class="sk-name">${escapeHtml(e.title)}${src ? `<span class="kb-src-name">${escapeHtml(src)}</span>` : ""}</div>
           <div class="sk-desc">${escapeHtml(e.summary)}</div>
         </div>
         ${src ? `<button class="small kb-src-view" data-src="${escapeHtml(src)}" title="查看原件">👁</button>
@@ -166,6 +166,7 @@ async function showDoc(filename) {
   detail.innerHTML =
     `<div class="sk-d-head"><button id="kb-back" class="small">← 返回</button>
      <span class="sk-d-name">${escapeHtml(filename)}</span>
+     ${src ? `<span class="kb-src-name">原件: ${escapeHtml(src)}</span>` : ""}
      <span class="spacer"></span>
      ${src ? `<button id="kb-doc-src-view" class="small" data-src="${escapeHtml(src)}">查看原件</button>
      <button id="kb-doc-src-dl" class="small" data-src="${escapeHtml(src)}">下载原件</button>` : ""}