【编辑工具】合并导出文件名调整

PDF Office/PDF Master/Class/PDFTools/Merge/MergeNew/KMMergeWindowController.swift

@@ -215,7 +215,7 @@ extension KMMergeWindowController {
         }
         
         
-        let fileName = (files.first?.filePath.lastPathComponent)! + "_Merged"
+        let fileName = (files.first?.filePath.deletingPathExtension.lastPathComponent ?? "") + "_Merged"
         DispatchQueue.main.async {
             self.oldPDFDocument.outlineRoot = PDFOutline.init()
             if allPage {