在本地电脑测试更换新WordPress主题，尝试自定义主题时，出现以下致命错误 ▼

WordPress自定义主题出现致命错误怎么办？

如果在打开WordPress自定义主题和背景菜单时，会遇到类似以下的致命错误：

Fatal error: Uncaught exception 'Exception' with message 'Supplied nav_menu_item value missing property: description' in D:\xampp\htdocs\wp\ceshimuban\wp-includes\customize\class-wp-customize-nav-menu-item-setting.php:183 Stack trace: #0 D:\xampp\htdocs\wp\ceshimuban\wp-includes\class-wp-customize-nav-menus.php(820): WP_Customize_Nav_Menu_Item_Setting->__construct(Object(WP_Customize_Manager), 'nav_menu_item[1...', Array) #1 [internal function]: WP_Customize_Nav_Menus->customize_register(Object(WP_Customize_Manager)) #2 D:\xampp\htdocs\wp\ceshimuban\wp-includes\class-wp-hook.php(303): call_user_func_array(Array, Array) #3 D:\xampp\htdocs\wp\ceshimuban\wp-includes\class-wp-hook.php(327): WP_Hook->apply_filters('', Array) #4 D:\xampp\htdocs\wp\ceshimuban\wp-includes\plugin.php(470): WP_Hook->do_action(Array) #5 D:\xampp\htdocs\wp\ceshimuban\wp-includes\class-wp-customize-manager.php(933): do_action('customize_regis...', Object(WP_Customize_Manager)) #6 [internal function]: WP_Customize_Manager->wp_loaded('') #7 D:\xampp\htd in D:\xampp\htdocs\wp\ceshimuban\wp-includes\customize\class-wp-customize-nav-menu-item-setting.php on line 183
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如何解决Supplied nav_menu_item value missing property: description’？

我们可以在WordPress主题的function.php文件中，添加以下代码修复它：

/**
* 解决WordPress自定义主题时出现致命错误 By 陈沩亮博客
* https://www.chenweiliang.com/cwl-19302.html
**/
add_filter('wp_get_nav_menu_items', 'my_wp_get_nav_menu_items', 10, 3);
function my_wp_get_nav_menu_items($items, $menu, $args) {
foreach($items as $key => $item)
$items[$key]->description = '';

return $items;
}

陈沩亮经过测试，WordPress主题的function.php文件中，添加以上代码后，是可以解决WordPress Fatal error: Uncaught exception ‘Exception’ with message ‘Supplied nav_menu_item value missing property: description’的问题。