How to custom user url in BuddyPress and WordPress? -

thanks support! need custom user url in page using wordpress , buddypress. example:

from: (current)

http://example.com/user/pum_su411 

to

http://example.com/user/548234 

with 548234 id of user.

i want after completed custom, users have url above automatically.

thanks solutions!

• add code theme functions.php file.

    function _bp_core_get_user_domain($domain, $user_id, $user_nicename = false, $user_login = false) {         if ( empty( $user_id ) ){             return;         }         if( isset($user_nicename) ){             $user_nicename = bp_core_get_username($user_id);         }         $after_domain =  bp_get_members_root_slug() . '/' . $user_id;          $domain = trailingslashit( bp_get_root_domain() . '/' . $after_domain );         $domain = apply_filters( 'bp_core_get_user_domain_pre_cache', $domain, $user_id, $user_nicename, $user_login );         if ( !empty( $domain ) ) {             wp_cache_set( 'bp_user_domain_' . $user_id, $domain, 'bp' );         }         return $domain;     }      add_filter('bp_core_get_user_domain', '_bp_core_get_user_domain', 10, 4);      function _bp_core_get_userid($userid, $username){         if(is_numeric($username)){             $aux = get_userdata( $username );             if( get_userdata( $username ) )                 $userid = $username;         }         return $userid;     }      add_filter('bp_core_get_userid', '_bp_core_get_userid', 10, 2);      function _bp_get_activity_parent_content($content){         global $bp;         $user = get_user_by('slug', $bp->displayed_user->fullname); // 'slug' - user_nicename         return preg_replace('/href=\"(.*?)\"/is', 'href="'.bp_core_get_user_domain($user->id, $bp->displayed_user->fullname).'"', $content);     }      add_filter( 'bp_get_activity_parent_content','_bp_get_activity_parent_content', 10, 1 );      function _bp_get_activity_action_pre_meta($content){         global $bp;         $fullname = $bp->displayed_user->fullname; // 'slug' - user_nicename         $user = get_user_by('slug', $fullname);         if(!is_numeric($user->id) || empty($fullname)){             $args = explode(' ', trim(strip_tags($content)));             $fullname = trim($args[0]);             $user = get_user_by('slug', $fullname);         }         return preg_replace('/href=\"(.*?)\"/is', 'href="'.bp_core_get_user_domain($user->id, $fullname).'"', $content);     }      add_action('bp_get_activity_action_pre_meta', '_bp_get_activity_action_pre_meta');      add_filter('bp_core_get_userid_from_nicename', '_bp_core_get_userid', 10, 2);