function change_post_object_label() {
    global $wp_post_types;
    $labels = &$wp_post_types['post']->labels;
    $labels->name = '产品'; 
    $labels->singular_name = '产品';
    $labels->add_new = '新产品';
    $labels->add_new_item = '添加一个新产品';
    $labels->edit_item = '编辑产品';
    $labels->new_item = '产品';
    $labels->view_item = '查看产品';
    $labels->search_items = '搜索产品';
    $labels->not_found = '产品列表显示为空';
    $labels->not_found_in_trash = '产品回收站显示为空';
}
add_action( 'init', 'change_post_object_label' );