Bug: Tencent Cloud Storage upload file suffix and path issues

[chengzhitaotao]

What happened?

1. Upload file without suffix
   
2. The path of the uploaded file is inconsistent with the path returned by openim
   The path returned by openim: http://file.xmgcq.cn/object/72677995/msg_picture_70f016f189e0b76bfaf2941bcc7d4581.jpg

What did you expect to happen?

...

How can we reproduce it (as minimally and precisely as possible)?

...

Anything else we need to know?

No response

version

```console $ {name} version # paste output here ```

server: 3.5 uniapp:The latest version

Cloud provider

cos

OS version

```console # On Linux: $ cat /etc/os-release # paste output here $ uname -a # paste output here # On Windows: C:\> wmic os get Caption, Version, BuildNumber, OSArchitecture # paste output here ```

Install tools

[cubxxw]

@withchao @FGadvancer

[kubbot]

This issue is stale because it has been open 60 days with no activity. Remove stale label or comment or this will be closed in 7 days.

[kubbot]

This issue is stale because it has been open 60 days with no activity. Remove stale label or comment or this will be closed in 7 days.