【fix】【转档】页码范围从自定义切换到其他页码，提示页码范围异常

PDF Office/PDF Master/Class/PDFTools/Convert/NewController/KMConvertWindowController.swift

@@ -1082,6 +1082,12 @@ let kConvertFileSavePath = (kTempSavePath?.stringByAppendingPathComponent("conve
             self.prePDFView.go(to: targetPage)
         } else if (object as AnyObject).isEqual(self.pageRangeBox) == true {
 //            guard self.handInputButton.state == .on else { return }
+            let idx = self.pageRangeBox.indexOfSelectedItem
+            if idx >= 0 && idx <= 3 { // 0 1 2 3
+                return
+            } else {
+//            if self.pageRangeBox.indexOfSelectedItem != 4 { // 页面范围切换中
+            }
             if self.fileAttri_ == nil {
                 self.fileAttri_ = KMFileAttribute()
                 self.fileAttri_?.filePath = self.pdfDocument?.documentURL.path ?? ""