diff --git a/assets/webui/index.html b/assets/webui/index.html
index 3a43e08..86fb0c3 100644
--- a/assets/webui/index.html
+++ b/assets/webui/index.html
@@ -493,8 +493,8 @@
 				<label class="form-row"><span>主题</span><textarea id="infoSubject" rows="1"></textarea></label>
 				<label class="form-row"><span>作者</span><textarea id="infoAuthor" rows="1"></textarea></label>
 				<label class="form-row"><span>摘要</span><textarea id="infoAbstract" rows="2"></textarea></label>
-				<details><summary>关键词</summary><div id="infoKeywordRows" class="info-rows"></div><button id="infoKeywordAdd" class="icon-button" type="button" title="添加词条">+</button></details>
-				<details><summary>更多信息</summary>
+				<details><summary><span>关键词</span></summary><div id="infoKeywordRows" class="info-rows"></div><button id="infoKeywordAdd" class="icon-button" type="button" title="添加词条">+</button></details>
+				<details><summary><span>其他属性</span></summary>
 					<label class="form-row"><span>标识</span><input id="infoDocId" type="text"></label>
 					<label class="form-row"><span>用途</span><input id="infoDocUsage" type="text"></label>
 					<label class="form-row"><span>封面路径</span><input id="infoCover" type="text"></label>
@@ -503,7 +503,7 @@
 					<label class="form-row"><span>制作软件</span><input id="infoCreator" type="text"></label>
 					<label class="form-row"><span>软件版本</span><input id="infoCreatorVersion" type="text"></label>
 				</details>
-				<details><summary>自定义</summary><div id="infoCustomRows" class="info-rows"></div><button id="infoCustomAdd" class="icon-button" type="button" title="添加字段">+</button></details>
+				<details><summary><span>扩展字段</span></summary><div id="infoCustomRows" class="info-rows"></div><button id="infoCustomAdd" class="icon-button" type="button" title="添加字段">+</button></details>
 				<div class="form-actions"><div id="infoStatus" class="form-status"></div><button id="infoCancel" class="button" type="button">取消</button><button class="button" type="submit">确定</button></div>
 			</form>
 		</dialog>
diff --git a/assets/webui/ofdgo.css b/assets/webui/ofdgo.css
index d2bd6fc..5e0a54a 100644
--- a/assets/webui/ofdgo.css
+++ b/assets/webui/ofdgo.css
@@ -1530,8 +1530,7 @@ button:not(:disabled):hover {
 .form-row input[type="number"],
 .form-row input[type="file"],
 .form-row select,
-.form-row textarea,
-.info-rows textarea {
+.form-row textarea {
 	width: 100%;
 	min-width: 0;
 	height: var(--control-height);
@@ -1572,15 +1571,31 @@ button:not(:disabled):hover {
 	width: 480px;
 }
 
-#infoPanel .form-row {
+#infoPanel .form-row,
+#infoPanel summary {
 	grid-template-columns: 4em minmax(0, 1fr);
 }
 
-#infoPanel .form-row > span {
+#infoPanel .form-row > span,
+#infoPanel summary > span {
 	text-align-last: justify;
 	white-space: nowrap;
 }
 
+#infoPanel summary {
+	display: grid;
+	align-items: center;
+	gap: 12px;
+}
+
+#infoPanel summary::after {
+	content: "▸";
+}
+
+#infoPanel details[open] > summary::after {
+	content: "▾";
+}
+
 .info-rows {
 	max-height: 240px;
 	overflow-y: auto;