diff --git a/app/app/data.py b/app/app/data.py
index ad80098..350ca06 100644
--- a/app/app/data.py
+++ b/app/app/data.py
@@ -2408,6 +2408,7 @@ def course_summary_index_for_records(root: Path) -> dict[tuple[str, str, str, st
 
 def query_course_summaries(
     root: Path,
+    classnotes_path: Path | None = None,
     q: str = "",
     student: str = "",
     teacher: str = "",
@@ -2438,6 +2439,18 @@ def query_course_summaries(
     ]
     for item in matched:
         item["matched_fields"] = course_summary_matched_fields(item, keyword)
+        item["matched_record"] = False
+    if classnotes_path is not None and classnotes_path.exists():
+        record_keys = {
+            course_summary_record_key(record.student, record.teacher, record.subject, record.date.replace(".", "-"), record.time)
+            for record in read_classnotes(classnotes_path)
+        }
+        for item in matched:
+            try:
+                key = course_summary_duplicate_key(item)
+            except ValueError:
+                key = ("", "", "", "", "")
+            item["matched_record"] = bool(key and all(key) and key in record_keys)
     matched.sort(
         key=lambda item: (
             str(item.get("date_iso") or "0000-00-00"),
diff --git a/app/app/routers/admin.py b/app/app/routers/admin.py
index e800110..da0c45c 100644
--- a/app/app/routers/admin.py
+++ b/app/app/routers/admin.py
@@ -114,6 +114,7 @@ def admin_course_summaries(
     try:
         return query_course_summaries(
             COURSE_SUMMARIES_ROOT,
+            CLASSNOTES_PATH,
             q=q,
             student=student,
             teacher=teacher,
diff --git a/app/app/static/admin.js b/app/app/static/admin.js
index 038e557..731e86c 100644
--- a/app/app/static/admin.js
+++ b/app/app/static/admin.js
@@ -785,24 +785,24 @@ function summarySearchParams() {
 }
 
 function renderSummaryActions(item) {
+  const editButton = `<button class="secondary-button summary-body-edit" type="button" data-summary-id="${escapeHtml(item.id)}">修改课程小结</button>`;
+  const deleteButton = `<button class="secondary-button summary-delete" type="button" data-summary-id="${escapeHtml(item.id)}">删除课程小结</button>`;
   if (item.time_range) {
-    return `<span class="summary-action-note">时间已完整</span>`;
+    return `<div class="summary-time-actions"><span class="summary-action-note">时间已完整</span>${editButton}${deleteButton}</div>`;
   }
   const inputId = `summary-time-${item.id}`;
   return `<div class="summary-time-actions">
     <input id="${escapeHtml(inputId)}" class="summary-time-input" data-summary-time-input="${escapeHtml(item.id)}" autocomplete="off" placeholder="08:00-10:00" />
     <button class="secondary-button summary-time-save" type="button" data-summary-id="${escapeHtml(item.id)}">补齐时间</button>
-    <button class="secondary-button summary-delete" type="button" data-summary-id="${escapeHtml(item.id)}">删除课程小结</button>
+    ${editButton}
+    ${deleteButton}
   </div>`;
 }
 
 function renderSummaryBodyEditor(item) {
   const body = item.body || item.body_preview || "";
   if (String(item.id) !== editingSummarySearchId) {
-    return `<div class="summary-body summary-search-full">${escapeHtml(body || "暂无正文")}</div>
-      <div class="summary-edit-actions">
-        <button class="secondary-button summary-body-edit" type="button" data-summary-id="${escapeHtml(item.id)}">修改课程小结</button>
-      </div>`;
+    return `<div class="summary-body summary-search-full">${escapeHtml(body || "暂无正文")}</div>`;
   }
   return `<div class="summary-body-edit-panel">
     <textarea class="summary-body-editor" data-summary-body-editor="${escapeHtml(item.id)}" rows="10">${escapeHtml(body)}</textarea>
@@ -822,7 +822,8 @@ function renderSummarySearchRows(items) {
   return items
     .map((item) => {
       const expanded = String(item.id) === expandedSummarySearchId;
-      const mainRow = `<tr class="summary-search-result-row" data-summary-id="${escapeHtml(item.id)}" tabindex="0" role="button" aria-expanded="${expanded ? "true" : "false"}">
+      const unmatchedClass = item.matched_record ? "" : " unmatched-summary";
+      const mainRow = `<tr class="summary-search-result-row${unmatchedClass}" data-summary-id="${escapeHtml(item.id)}" tabindex="0" role="button" aria-expanded="${expanded ? "true" : "false"}">
         <td>${escapeHtml(item.date_iso || "未识别")}</td>
         <td>${escapeHtml(item.time_range || "缺少时间")}</td>
         <td>${escapeHtml(item.student || "")}<br><small>${escapeHtml(item.group || "")}</small></td>
@@ -831,7 +832,7 @@ function renderSummarySearchRows(items) {
       const detailRow = expanded
         ? `<tr class="summary-search-detail-row" data-summary-detail="${escapeHtml(item.id)}">
             <td colspan="4">
-              <div class="summary-search-detail-panel">
+              <div class="summary-search-detail-panel${unmatchedClass}">
                 <div class="summary-search-detail-head">
                   <div>
                     <div class="record-summary-title">${escapeHtml(item.title || "课程小结正文")}</div>
diff --git a/app/app/static/styles.css b/app/app/static/styles.css
index 50123f1..a58595a 100644
--- a/app/app/static/styles.css
+++ b/app/app/static/styles.css
@@ -726,16 +726,46 @@ textarea:focus {
   background: #f8fafc;
 }
 
+.summary-search-result-row.unmatched-summary td:first-child {
+  position: relative;
+  padding-left: 18px;
+}
+
+.summary-search-result-row.unmatched-summary td:first-child::before {
+  content: "";
+  position: absolute;
+  top: 0;
+  left: 0;
+  bottom: 0;
+  width: 4px;
+  background: #f59e0b;
+}
+
 .summary-search-detail-row td {
   padding: 0;
   background: #fbfcfd;
 }
 
 .summary-search-detail-panel {
+  position: relative;
   padding: 14px 16px 16px;
   border-top: 1px solid var(--line);
 }
 
+.summary-search-detail-panel.unmatched-summary {
+  padding-left: 22px;
+}
+
+.summary-search-detail-panel.unmatched-summary::before {
+  content: "";
+  position: absolute;
+  top: 0;
+  left: 0;
+  bottom: 0;
+  width: 4px;
+  background: #f59e0b;
+}
+
 .summary-search-detail-head {
   display: flex;
   align-items: flex-start;
@@ -770,7 +800,7 @@ textarea:focus {
 .summary-search-actions {
   display: flex;
   align-items: center;
-  justify-content: flex-end;
+  justify-content: flex-start;
   flex-wrap: wrap;
   gap: 10px;
   margin-top: 14px;
@@ -779,7 +809,7 @@ textarea:focus {
 }
 
 .summary-search-actions .summary-time-actions {
-  justify-content: flex-end;
+  justify-content: flex-start;
 }
 
 .summary-action-note {
@@ -1717,7 +1747,7 @@ td {
 
   .summary-search-actions,
   .summary-search-actions .summary-time-actions {
-    justify-content: stretch;
+    justify-content: flex-start;
   }
 
   .summary-search-actions .secondary-button,