Android 如何保持app不被自动关闭

refer to:
https://nine-faq.9folders.com/articles/37422-stop-your-huawei-smartphone-from-closing-apps-when-you-lock-the-screen 

https://www.shezhan88.com/electr/1229269.html

https://www.baidu.com/s?wd=%E5%8D%8E%E4%B8%BA%E6%89%8B%E6%9C%BA%20%E5%BA%94%E7%94%A8%E8%87%AA%E5%8A%A8%E5%85%B3%E9%97%AD&rsv_spt=1&rsv_iqid=0xf77f585c0057e771&issp=1&f=8&rsv_bp=1&rsv_idx=2&ie=utf-8&tn=baiduhome_pg&rsv_dl=tb&rsv_enter=1&rsv_sug3=37&rsv_sug1=5&rsv_sug7=100&rsv_t=fe79rYS%2F34APwNceFucgO4knTLDGRm14AiWu1Ngsyu%2BIPzXFz0QFKGxapTqxEz6YqtcN&sug=%25E5%258D%258E%25E4%25B8%25BA&rsv_n=1&rsv_sug2=0&rsv_btype=i&prefixsug=%25E5%258D%258E%25E4%25B8%25BA%25E6%2589%258B%25E6%259C%25BA%2520%25E5%25BA%2594%25E7%2594%25A8%25E8%2587%25AA%25E5%258A%25A8%25E5%2585%25B3%25E9%2597%25AD&rsp=8&inputT=10558&rsv_sug4=10558

1. 设置，搜索电池

2. 向下拉动。。。

3. 找到 软件

4. 找到，点击之。

5. 这样设置即可。