我在wordpress中使用ajax，我做的每件事都做得很好，请告诉我为什么我的ajax返回0，即使代码是正确的。页面中是否有其他内容迫使ajax返回0。她的eis是我的js代码

 jQuery(\'#seller-shop\').on(\'focusout\', function() {  
      var self = jQuery(this);  
      jQuery.ajax({
                  type: \'POST\',
                  url: script.axurl,
                  data: {"action": "wk_check_myshop","shop_slug":self.val(),"nonce":script.nonce},
                success: function(resp)
                { 
                  console.log(resp);
                  if ( response == 0){
                         console.log(response);
                    }  
                }
          });

  });

add_action( \'wp_ajax_nopriv_wk_check_myshop\',array($mp_obj,\'wk_check_myshop_value\') );

add_action( \'wp_ajax_wk_check_myshop\',array($mp_obj,\'wk_check_myshop_value\'));

wp_localize_script( \'marketplace\', \'script\', array( \'axurl\' => admin_url( \'admin-ajax.php\' ), \'nonce\' => wp_create_nonce(\'ajaxnonce\'), \'seller_page\' => $page_name , \'site_url\' =>site_url() ));