1，去等登陆页的-wordpress

打开网站目录wp-login.php找到下列代码并进修改

$login_title = sprintf( __( '%1$s ‹ %2$s — 张先生' ), $title, $login_title );

2，去除后台的-wordpress

打开网站目录找到​wp-admin/admin-header.php找到下列代码并进修改【共2处需要修改】

if ( $admin_title === $title ) {
	/* translators: Admin screen title. %s: Admin screen name. */
	$admin_title = sprintf( __( '%s — 张正小师傅' ), $title );
} else {
	$screen_title = $title;

	if ( 'post' === $current_screen->base && 'add' !== $current_screen->action ) {
		$post_title = get_the_title();
		if ( ! empty( $post_title ) ) {
			$post_type_obj = get_post_type_object( $typenow );
			$screen_title  = sprintf(
				/* translators: Editor admin screen title. 1: "Edit item" text for the post type, 2: Post title. */
				__( '%1$s “%2$s”' ),
				$post_type_obj->labels->edit_item,
				$post_title
			);
		}
	}

	/* translators: Admin screen title. 1: Admin screen name, 2: Network or site name. */
	$admin_title = sprintf( __( '%1$s ‹ %2$s — 张正小师傅' ), $screen_title, $admin_title );
}