bilibili关灯及快捷操作(把被新版B站藏起来的关灯按钮揪出来，在关闭弹幕按钮左边，还可以用快捷键，默认'A')、非全屏滚轮音量控制、弹幕控制快捷操作等
应该是没加载或者没加载完全，看看弹幕开关按钮旁边有没有关灯按钮
或者按F12看看有没有报错，复制下来回复
正常类似这样
2.X“V2版”加载完毕
-------------------
ver: 2.77.5
fps: 30.019
------h5Player-----
currentTime : 0
duration : 178
playbackRate : 1
volume : 0.4
paused : true
pause() : h5Player.pause()
videoHeight : 480
videoWidth : 853
-------------------
\/ \/
sentry-5.7.1.min.js:2 2.X“V2版”加载完毕
userscript.html?name=bilibili%25E5%2585%25B3%25E7%2581%25AF%25E5%258F%258A%25E5%25BF%25AB%25E6%258D%25B7%25E6%2593%258D%25E4%25BD%259C.user.js&id=9ecbe0b2-6c73-44ec-9eb3-fc3504a151b7:367
Uncaught TypeError: Cannot set properties of undefined (setting 'text')
at lightoff_btn (userscript.html?name=bilibili%25E5%2585%25B3%25E7%2581%25AF%25E5%258F%258A%25E5%25BF%25AB%25E6%258D%25B7%25E6%2593%258D%25E4%25BD%259C.user.js&id=9ecbe0b2-6c73-44ec-9eb3-fc3504a151b7:367:89)
at run (userscript.html?name=bilibili%25E5%2585%25B3%25E7%2581%25AF%25E5%258F%258A%25E5%25BF%25AB%25E6%258D%25B7%25E6%2593%258D%25E4%25BD%259C.user.js&id=9ecbe0b2-6c73-44ec-9eb3-fc3504a151b7:1818:68)
at userscript.html?name=bilibili%25E5%2585%25B3%25E7%2581%25AF%25E5%258F%258A%25E5%25BF%25AB%25E6%258D%25B7%25E6%2593%258D%25E4%25BD%259C.user.js&id=9ecbe0b2-6c73-44ec-9eb3-fc3504a151b7:2609:29
at Array.forEach ()
at MutationObserver.observe.childList (userscript.html?name=bilibili%25E5%2585%25B3%25E7%2581%25AF%25E5%258F%258A%25E5%25BF%25AB%25E6%258D%25B7%25E6%2593%258D%25E4%25BD%259C.user.js&id=9ecbe0b2-6c73-44ec-9eb3-fc3504a151b7:2588:27)
BV1tr4y1b7NU:1 [Intervention]Images loaded lazily and replaced with placeholders. Load events are deferred. See https://go.microsoft.com/fwlink/?linkid=2048113
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Q的快捷键怎么变成点赞了。快捷变了啊