🎨 更新目录生成以适配 Lute 引擎

src/main/java/org/b3log/solo/plugin/ToCPlugin.java

@@ -77,7 +77,7 @@ public class ToCPlugin extends NotInteractivePlugin {
  * @author <a href="http://88250.b3log.org">Liang Ding</a>
  * @author <a href="http://www.annpeter.cn">Ann Peter</a>
  * @author <a href="http://vanessa.b3log.org">Vanessa</a>
- * @version 2.0.0.1, Jan 24, 2020
+ * @version 2.0.0.2, Mar 4, 2020
  * @since 0.6.7
  */
 class ToCEventHandler extends AbstractEventListener<JSONObject> {
@@ -101,7 +101,12 @@ class ToCEventHandler extends AbstractEventListener<JSONObject> {
             final Element element = hs.get(i);
             final String tagName = element.tagName().toLowerCase();
             final String text = element.text();
-            final String id = "toc_" + tagName + "_" + i;
+            String id = element.attr("id");
+            if (StringUtils.isBlank(id)) {
+                id = "toc_" + tagName + "_" + i;
+            } else if (StringUtils.startsWith(id, "#")) {
+                id = StringUtils.substringAfter(id, "#");
+            }
             element.attr("id", id);
             final JSONObject li = new JSONObject().
                     put("className", "toc__" + tagName).