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PDF Office/PDF Master/Class/PDFWindowController/ViewController/KMMainViewController.swift

@@ -1075,7 +1075,7 @@ import Cocoa
     
     func exitDigitalSign() {
         self.digitalSignController?.view.removeFromSuperview()
-        self.digitalSignController = nil
+//        self.digitalSignController = nil
         
         self.toolbarController.findItem(KMDocumentDigitalSignToolbarItemIdentifier)?.isSelected = false
     }