diff --git a/assets/js/front-submit.js b/assets/js/front-submit.js
index c76e70c1..2e04b312 100644
--- a/assets/js/front-submit.js
+++ b/assets/js/front-submit.js
@@ -94,7 +94,6 @@
       this.bindLeaveWarning();
       this.bindAi();
       this.bindTagActive();
-      this.bindDropSelect();
       this.loadFeaturedFromDom();
     },
 
@@ -158,18 +157,6 @@
       });
     },
 
-    bindDropSelect: function () {
-      qsa('.term-select-box [data-toggle-class="open"]').forEach(function (button) {
-        button.addEventListener('click', function () {
-          var box = button.closest('.drop-select');
-          if (!box) return;
-          var open = !box.classList.contains('open');
-          box.classList.toggle('open', open);
-          button.setAttribute('aria-expanded', open ? 'true' : 'false');
-        });
-      });
-    },
-
     bindSubmitButtons: function () {
       var self = this;
       qsa('.aksrt-submit-btn', this.form).forEach(function (btn) {
diff --git a/templates/parts/submit/sidebar-terms.php b/templates/parts/submit/sidebar-terms.php
index a25c3ab8..fa903360 100644
--- a/templates/parts/submit/sidebar-terms.php
+++ b/templates/parts/submit/sidebar-terms.php
@@ -27,7 +27,7 @@ require_once get_template_directory() . '/templates/parts/submit/term-checks.php
 	<div class="term-select-box">
 		<?php if (!empty($settings['allow_category'])) : ?>
 		<div class="newpost-cat-drop drop-select dropdown dependency-box">
-			<button type="button" data-toggle-class="open" data-target=".newpost-cat-drop" class="flex ac jsb drop-btn form-control mb6" aria-expanded="false">
+			<button type="button" data-toggle-class="open" data-target=".newpost-cat-drop" class="flex ac jsb drop-btn form-control mb6">
 				<span class="title-theme222"><i class="fa fas fa-folder-open mr6" aria-hidden="true"></i><?php esc_html_e('分类', 'aksrt'); ?></span><i class="ml6 fa fas fa-angle-right em12"></i>
 			</button>
 			<div class="dropdown-menu fluid">
@@ -53,7 +53,7 @@ require_once get_template_directory() . '/templates/parts/submit/term-checks.php
 				$current = (array) ($ctx['current_cf'][$key] ?? []);
 				?>
 			<div class="newpost-custom-filter-<?php echo esc_attr($key); ?> drop-select dropdown dependency-box">
-				<button type="button" data-toggle-class="open" data-target=".newpost-custom-filter-<?php echo esc_attr($key); ?>" class="flex ac jsb drop-btn form-control mb6" aria-expanded="false">
+				<button type="button" data-toggle-class="open" data-target=".newpost-custom-filter-<?php echo esc_attr($key); ?>" class="flex ac jsb drop-btn form-control mb6">
 					<span class="title-theme222"><i class="fa fas fa-filter mr6" aria-hidden="true"></i><?php echo esc_html($name); ?></span><i class="ml6 fa fas fa-angle-right em12"></i>
 				</button>
 				<div class="dropdown-menu fluid"><div class="padding-10 select-drop-box newpost-filter-tags">
diff --git a/tests/widget-system/post-editor-reference-contract.test.cjs b/tests/widget-system/post-editor-reference-contract.test.cjs
index 0d4395be..0e7edce1 100644
--- a/tests/widget-system/post-editor-reference-contract.test.cjs
+++ b/tests/widget-system/post-editor-reference-contract.test.cjs
@@ -36,6 +36,7 @@ test('front submit follows the reference newposts shell and cards', () => {
   const terms = read('templates/parts/submit/sidebar-terms.php');
   const pay = read('templates/parts/submit/sidebar-pay.php');
   const submit = read('templates/parts/submit/sidebar-submit.php');
+  const submitJs = read('assets/js/front-submit.js');
 
   assert.match(page, /content-wrap newposts-wrap/);
   assert.match(page, /class="content-layout"/);
@@ -43,6 +44,10 @@ test('front submit follows the reference newposts shell and cards', () => {
   assert.match(main, /zib-widget full-widget-sm editor-main-box/);
   assert.match(main, /relative newposts-title/);
   assert.match(terms, /newpost-cat-drop drop-select dropdown dependency-box/);
+  assert.match(terms, /data-toggle-class="open" data-target="\.newpost-cat-drop"/);
+  assert.match(terms, /aksrt_submit_render_term_checks\(\$ctx\['categories'\], array_map\('intval', \$ctx\['current_cats'\]\), 'category'\)/);
+  assert.doesNotMatch(terms, /aria-expanded=/);
+  assert.doesNotMatch(submitJs, /bindDropSelect|term-select-box \[data-toggle-class/);
   assert.match(pay, /zib-widget dependency-box mb10-sm newpost-pay-box/);
   assert.match(pay, /pay-dawnload-edit/);
   assert.match(submit, /separator muted-3-color theme-box/);