问题修复

module/worker.py

@@ -1,6 +1,7 @@
 import os
 import traceback
 
+import pythoncom
 from PySide6.QtCore import QObject, Signal
 from win32com import client
 
@@ -52,11 +53,14 @@ class DTGWorker(QObject):
             if os.path.exists(pdf_file):
                 os.remove(pdf_file)
 
-            word = client.Dispatch("Word.Application")
-            doc = word.Documents.Open(word_file)
-            doc.SaveAs(pdf_file, 17)
-            doc.Close()
-            word.Quit()
+            # https://stackoverflow.com/questions/71292585/python-docx2pdf-attributeerror-open-saveas
+            word = client.Dispatch("Word.Application", pythoncom.CoInitialize())
+            try:
+                doc = word.Documents.Open(word_file)
+                doc.SaveAs(pdf_file, 17)
+                doc.Close()
+            finally:
+                word.Quit()
 
             os.remove(word_file)
             os.startfile(pdf_file)