spring的bean.xml文件p标签使用报错

The prefix "p" for attribute "p:某属性" associated with an element type "bean" is not bound.

某元素属性未捆绑，直接点击添加p的命名空间，或者手动在<beans>里面添加一行约束

xmlns:p="http://www.springframework.org/schema/p"