如上代码发现发生意外，已经试过很多方法，比如修改注册路径、重装等，仍然无法解决。新手，求大神指点！ 不知道是代码写的问题，还是系统接口调用问题，怀疑自己，跪谢大神。

[Hyanide]

import os
import xlwings as xw

files_path = r'C:/Users/Peter Pro/Desktop/zh'

app = xw.App(visible=True, add_book=False)
app.display_alerts = False
app.screen_updating = False

A=['D14','E14','F14','G14','H14','I14','J14','K14','L14','M14']
B=['D15','E15','F15','G15','H15','I15','J15','K15','L15','M15']
C=['D13','E13','F13','G13','H13','I13','J13','K13','L13','M13']
D=['C15','D15','E15','F15','G15','H15','I15','J15','K15','L15']

for files_path_0, dirs, files in os.walk(files_path):
for file in files:
wb = app.books.open(files_path+'/'+file)
sht = wb.sheets['测算表']
for i in range(9):
sht.range(A[i]).formula = '='+C[i]+'/1.01'
sht.range(B[i]).formula = '=IF('+A[i]+'<=100000,'+A[i]+'*1.01,IF('+A[i]+'>100000,'+A[i]+'))+'+D[i]
wb.save()
wb.close()
app.quit()
app.kill()

[Hyanide]

补充一下错误反馈：
Traceback (most recent call last):
File "<input>", line 1, in <module>
File "C:\Program Files\JetBrains\PyCharm 2020.1.1\plugins\python\helpers\pydev\_pydev_bundle\pydev_umd.py", line 197, in runfile
pydev_imports.execfile(filename, global_vars, local_vars) # execute the script
File "C:\Program Files\JetBrains\PyCharm 2020.1.1\plugins\python\helpers\pydev\_pydev_imps\_pydev_execfile.py", line 18, in execfile
exec(compile(contents+"\n", file, 'exec'), glob, loc)
File "C:/Users/hyani/Documents/Masterpiece/demo/zh.py", line 21, in <module>
sht.range(A[i]).formula = '='+C[i]+'/1.01'
File "C:\Users\hyani\AppData\Local\Programs\Python\Python38\venv\lib\site-packages\xlwings\main.py", line 842, in range
return Range(impl=self.impl.range(cell1, cell2))
File "C:\Users\hyani\AppData\Local\Programs\Python\Python38\venv\lib\site-packages\xlwings\_xlwindows.py", line 610, in range
xl1 = self.xl.Range(arg1)
File "C:\Users\hyani\AppData\Local\Programs\Python\Python38\venv\lib\site-packages\xlwings\_xlwindows.py", line 66, in __call__
v = self.__method(*args, **kwargs)
File "<COMObject <unknown>>", line 2, in Range
pywintypes.com_error: (-2147023170, '远程过程调用失败。', None, None)

[Latin]

https://stackoverflow.com/questions/36064723/pywintypes-com-error-2147352567-exception-occurred-0-none-none-none

[Hyanide]

@Latin 大神，按照链接中帖子，添加了下方语句，还是失败

添加了帖子中的方法：
import win32api
win32api.FormatMessage(-2147352565)
'Invalid index.\r\n'

[Hyanide]

@Latin 而且也用了 os.path.abspath(rel_path)，这个路径