سلام مجدد از این تابع هم استفاده کردم و کدهای زیر رو زدم اما متاستفانه مشکل حل نشد ممنون میشم راهنمای بفرمایید

کدها :

<?php
/*
Plugin Name: wordpress config table
Plugin URI: https://narmafzar5.com/
Description: wordpress plugin to manage config and table
Version: 1.0.0
Author: erfan
Author URI: https://erfantayebi.ir
License: GPLv2 or later
Text Domain: wordpress-config-table
Domain Path: /languages/
*/
function pi_install_defult_configs()
{
    $current_configs = get_option('pi_configs');
    if (!$current_configs){
        $defult_configs = [
            'amount' => 500000,
            'role' => 'administrator'
        ];
        update_option('pi_configs' , $defult_configs);
    }
}
function pi_install_db()
{
    global $wpdb ;
    $customer_table_name = $wpdb -> prefix . 'customers' ;
    $collate = $wpdb -> get_charset_collate();
    $customer_table_sql = "
    CREATE TABLE IF NOT EXISTS `{$customer_table_name}` (
        `ID` int(11) NOT NULL,
        `user_id` int(11) NOT NULL,
        `wallet` int(11) NOT NULL,
        `total_orders` int(11) NOT NULL
      ) {$collate};
    ";
    require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
    dbDelta($customer_table_sql);
}
function pi_uninstall()
{
    global $wpdb ;
    $customer_table_name = $wpdb -> prefix . 'customers' ;
    //$wpdb->query("DROP TABLE IF EXISTS {$customer_table_name}");
    $customer_delete_table_sql = "DROP TABLE IF EXISTS `{$customer_table_name}`" ;
    delete_option('pi_configs');
    require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
    dbDelta($customer_delete_table_sql);
}
function pi_activate()
{
    pi_install_defult_configs();
    pi_install_db();
    register_uninstall_hook(__FILE__ , 'pi_uninstall');
}
register_activation_hook(__FILE__ , 'pi_activate');