diff --git a/src/Core/ScriptsPart1b.php b/src/Core/ScriptsPart1b.php
index 2a9470ac..626504a1 100644
--- a/src/Core/ScriptsPart1b.php
+++ b/src/Core/ScriptsPart1b.php
@@ -13,9 +13,7 @@ trait ScriptsPart1b {
         $base_uri = get_template_directory_uri();
         $version  = AKSRT_VERSION;
 
-		// 本地运行时栈（与参考主题一致）：jQuery 1.9.1 → Bootstrap → loader → main。
-		wp_deregister_script('jquery');
-		wp_register_script('jquery', $base_uri . '/assets/js/runtime/libs/jquery.min.js', [], '1.9.1', false);
+		// Keep WordPress's managed jQuery so core and plugin UI scripts share one compatible API.
 		wp_enqueue_script('jquery');
 		$public_filename = file_exists(get_template_directory() . '/assets/css/build/public.min.css')
 			? 'public.min.css'
diff --git a/tests/navigation/legacy-navigation-contract.test.cjs b/tests/navigation/legacy-navigation-contract.test.cjs
index b373b34a..87fa527d 100644
--- a/tests/navigation/legacy-navigation-contract.test.cjs
+++ b/tests/navigation/legacy-navigation-contract.test.cjs
@@ -37,16 +37,16 @@ const header = join([
   'inc/helpers/aksrt-header-userbox.php',
 ]);
 
-test('the public dependency graph is the single local runtime stack', () => {
-  assert.match(scripts, /wp_deregister_script\('jquery'\)/);
-  assert.match(scripts, /jquery\.min\.js'[\s\S]*?'1\.9\.1'/);
+test('the public dependency graph uses WordPress jQuery with the local runtime stack', () => {
+  assert.match(scripts, /wp_enqueue_script\('jquery'\)/);
+  assert.doesNotMatch(scripts, /wp_deregister_script\('jquery'\)/);
+  assert.doesNotMatch(scripts, /jquery\.min\.js'[\s\S]*?'1\.9\.1'/);
   assert.match(scripts, /bootstrap\.min\.css'[\s\S]*?'3\.4\.1'/);
   assert.match(scripts, /fontawesome5'[\s\S]*?all\.min\.css'[\s\S]*?'5\.15\.4'/);
   assert.match(scripts, /main\.min\.css/);
   assert.match(scripts, /loader\.js'[\s\S]*?\['jquery', 'bootstrap'\]/);
   assert.match(read('assets/js/runtime/loader.js'), /tbquire\(\['main'\]\)/);
   for (const file of [
-    'assets/js/runtime/libs/jquery.min.js',
     'assets/js/runtime/libs/bootstrap.min.js',
     'assets/css/bootstrap.min.css',
     'assets/fontawesome5/css/all.min.css',
diff --git a/tests/widget-system/front-submit-editor-contract.test.cjs b/tests/widget-system/front-submit-editor-contract.test.cjs
index 61738424..4ef6932f 100644
--- a/tests/widget-system/front-submit-editor-contract.test.cjs
+++ b/tests/widget-system/front-submit-editor-contract.test.cjs
@@ -40,10 +40,12 @@ test('published post content reaches the front submit editor unchanged', () => {
   assert.match(editor, /wp_editor\(\(string\) \$ctx\['current_content'\], 'post_content', \$editor_settings\);/);
 });
 
-test('front submit uses the registered local jQuery runtime', () => {
+test('front submit uses the WordPress-managed jQuery runtime', () => {
   const source = read('src/Core/ScriptsPart1b.php');
 
-  assert.match(source, /wp_register_script\('jquery', \$base_uri \. '\/assets\/js\/runtime\/libs\/jquery\.min\.js', \[\], '1\.9\.1', false\)/);
+  assert.match(source, /wp_enqueue_script\('jquery'\)/);
+  assert.doesNotMatch(source, /wp_deregister_script\('jquery'\)/);
+  assert.doesNotMatch(source, /wp_register_script\('jquery'/);
   assert.doesNotMatch(source, /jquery-migrate/);
 
   const page = read('templates/pages/page-submit.php');