diff --git a/development/issues/open/223.html b/development/issues/open/223.html
new file mode 100644
index 0000000000000000000000000000000000000000..da89121ff431e0271bb60ea3643218477e9e08ab
--- /dev/null
+++ b/development/issues/open/223.html
@@ -0,0 +1,35 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>optimize tree-menu #223</title>
+    <script src="223.mjs" type="module"></script>
+</head>
+<body>
+<h1>optimize tree-menu #223</h1>
+<p></p>
+<ul>
+    <li class="monster-theme-primary-1"><a
+                href="https://gitlab.schukai.com/oss/libraries/javascript/monster/-/issues/223">Issue #223</a></li>
+    <li><a href="/">Back to overview</a></li>
+</ul>
+<main>
+    <monster-form>
+        <monster-field-set>
+            <monster-details data-monster-option-labels-button="click me">
+                Yeah, you opened me!
+            </monster-details>
+            <monster-details data-monster-option-labels-button="click me">
+                Yeah, you opened me!
+            </monster-details>
+            <monster-details data-monster-option-labels-button="click me">
+                Yeah, you opened me!
+            </monster-details>
+        </monster-field-set>
+    </monster-form>
+
+</main>
+
+</body>
+</html>
diff --git a/development/issues/open/223.mjs b/development/issues/open/223.mjs
new file mode 100644
index 0000000000000000000000000000000000000000..2279a818b030c53c8d8d2e4d124ecdcdaa638f40
--- /dev/null
+++ b/development/issues/open/223.mjs
@@ -0,0 +1,21 @@
+/**
+ * @file development/issues/open/191.mjs
+ * @url https://gitlab.schukai.com/oss/libraries/javascript/monster/-/issues/191
+ * @description optimize tree-menu
+ * @issue 223
+ */
+
+import "../../../source/components/style/property.pcss";
+import "../../../source/components/style/color.pcss";
+import "../../../source/components/style/link.pcss";
+import "../../../source/components/style/normalize.pcss";
+import "../../../source/components/style/typography.pcss";
+import "../../../source/components/tree-menu/tree-menu.mjs";
+import "../../../source/components/layout/split-panel.mjs";
+import "../../../source/components/layout/panel.mjs";
+import "../../../source/components/datatable/datasource/dom.mjs";
+import "../../../source/components/datatable/datasource/rest.mjs";
+
+
+
+
diff --git a/development/issues/open/233.mjs b/development/issues/open/233.mjs
index 5f64595aba2e4f1f377b1f709571c0fec18249e7..27cec2d6f2765f4aa849ad8daba79e96e6889a58 100644
--- a/development/issues/open/233.mjs
+++ b/development/issues/open/233.mjs
@@ -2,7 +2,7 @@
  * @file development/issues/open/191.mjs
  * @url https://gitlab.schukai.com/oss/libraries/javascript/monster/-/issues/191
  * @description optimize tree-menu
- * @issue 191
+ * @issue 233
  */
 
 import "../../../source/components/style/property.pcss";