Fatal error: Uncaught Error: Call to undefined function admin_url() in D:\www\wordpress - 安裝環境+外掛測試\02.外掛程式\購物外掛\woocommerce\includes\admin\helper\views\html-section-nav.php:12 Stack trace: #0 {main} thrown in D:\www\wordpress - 安裝環境+外掛測試\02.外掛程式\購物外掛\woocommerce\includes\admin\helper\views\html-section-nav.php on line 12