update README.md

RuoYi

2022-01-04 18d79f2621c05036e072b156246799757332ad69

 src/main/java/com/ruoyi/project/system/service/impl/SysPostServiceImpl.java

@@ -67,7 +67,7 @@
     * @return 选中岗位ID列表

     */

    @Override

    public List<Integer> selectPostListByUserId(Long userId)

    public List<Long> selectPostListByUserId(Long userId)

    {

        return postMapper.selectPostListByUserId(userId);

    }