1、首先打开我们手机内的浏览器，在最下端有如图类似三的设置图标。
/iknow-pic.cdn.bcebos.com/377adab44aed2e73b65c754a8a01a18b87d6fa1btarget=_blanktitle=点击查看大图class=ikqb_img_alink>/iknow-pic.cdn.bcebos.com/377adab44aed2e73b65c754a8a01a18b87d6fa1b?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_autoesrc=https://iknow-pic.cdn.bcebos.com/377adab44aed2e73b65c754a8a01a18b87d6fa1b/>
2、点开后，我们可以看到箭头所指的夜间模式。
/iknow-pic.cdn.bcebos.com/a5c27d1ed21b0ef41a416b38d0c451da81cb3e2etarget=_blanktitle=点击查看大图class=ikqb_img_alink>/iknow-pic.cdn.bcebos.com/a5c27d1ed21b0ef41a416b38d0c451da81cb3e2e?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_autoesrc=https://iknow-pic.cdn.bcebos.com/a5c27d1ed21b0ef41a416b38d0c451da81cb3e2e/>
3、如图所示，手机就会开启夜间模式了，我们看到屏幕变黑了。
/iknow-pic.cdn.bcebos.com/30adcbef76094b360e6ee88baecc7cd98c109ddctarget=_blanktitle=点击查看大图class=ikqb_img_alink>/iknow-pic.cdn.bcebos.com/30adcbef76094b360e6ee88baecc7cd98c109ddc?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_autoesrc=https://iknow-pic.cdn.bcebos.com/30adcbef76094b360e6ee88baecc7cd98c109ddc/>
4、当我们需要关闭夜间模式时，我们再次点击下面的类似三的图标。再次关闭叶尖模式即可。
/iknow-pic.cdn.bcebos.com/e7cd7b899e510fb31d7085f1d433c895d1430c6etarget=_blanktitle=点击查看大图class=ikqb_img_alink>/iknow-pic.cdn.bcebos.com/e7cd7b899e510fb31d7085f1d433c895d1430c6e?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_autoesrc=https://iknow-pic.cdn.bcebos.com/e7cd7b899e510fb31d7085f1d433c895d1430c6e/>
5、在开启和关闭夜间模式时，手机系统会有一段的调整时间，无需进行其它的操作。
/iknow-pic.cdn.bcebos.com/aa64034f78f0f7368c07be670755b319eac413detarget=_blanktitle=点击查看大图class=ikqb_img_alink>/iknow-pic.cdn.bcebos.com/aa64034f78f0f7368c07be670755b319eac413de?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_autoesrc=https://iknow-pic.cdn.bcebos.com/aa64034f78f0f7368c07be670755b319eac413de/>
