修复bug

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

@@ -85,8 +85,10 @@ class ReadMenu @JvmOverloads constructor(
         vwBg.setOnClickListener(null)
         vwNavigationBar.setOnClickListener(null)
         llBrightness.setOnClickListener(null)
+        seekBrightness.post {
             seekBrightness.progress = AppConfig.readBrightness
         }
+    }
 
     fun upBrightnessState() {
         if (brightnessAuto()) {
@@ -152,8 +154,10 @@ class ReadMenu @JvmOverloads constructor(
         seekBrightness.setOnSeekBarChangeListener(object : SeekBarChangeListener {
 
             override fun onProgressChanged(seekBar: SeekBar, progress: Int, fromUser: Boolean) {
+                if (fromUser) {
                     setScreenBrightness(progress)
                 }
+            }
 
             override fun onStopTrackingTouch(seekBar: SeekBar) {
                 AppConfig.readBrightness = seekBar.progress