【阅读页】页码指示器优化

PDF Office/PDF Master/Class/PDFWindowController/ViewController/Views/KMPageNumberDisplayView/KMPageNumberDisplayView.swift

@@ -232,7 +232,6 @@ extension KMPageNumberDisplayView {
     func dismiss() {
         self.timer?.invalidate()
         self.timer = nil
-        self.alphaValue = 0
     }
     
     func updateViewDispaly() {