优化

app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt

@@ -320,6 +320,7 @@ class ReadBookActivity : BaseReadBookActivity(),
         upSystemUiVisibility()
         registerReceiver(timeBatteryReceiver, timeBatteryReceiver.filter)
         binding.readView.upTime()
+        screenOffTimerStart()
     }
 
     override fun onPause() {