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抱歉呀，我是很新的新手。在setting里面挑选了一些module安装之后，发现怎么标题栏多了个pos backend？我们是做外贸的，不需要用到这个pos backend，但是我又不知道是安装了哪个模块之后多出来的，怎么删除呢？谢谢