[Bug]: 每次点击更新时，都会显示environment.bat不可用，怎么回事呢

### Checklist

- [ ] The issue exists after disabling all extensions
- [ ] The issue exists on a clean installation of webui
- [ ] The issue is caused by an extension, but I believe it is caused by a bug in the webui
- [ ] The issue exists in the current version of the webui
- [ ] The issue has not been reported before recently
- [ ] The issue has been reported before but has not been fixed yet

### What happened?

每次点击update时，都会显示environment.bat不可用，怎么回事呢

### Steps to reproduce the problem

每次点击更新时，都会显示environment.bat不可用，怎么回事呢

### What should have happened?

每次点击更新时，都会显示environment.bat不可用，怎么回事呢

### What browsers do you use to access the UI ?

_No response_

### Sysinfo

每次点击更新时，都会显示environment.bat不可用，怎么回事呢

### Console logs

```Shell
每次点击更新时，都会显示environment.bat不可用，怎么回事呢
```

### Additional information

_No response_

Start by reproducing the problem through the web UI's Update action and inspect the console output containing the environment.bat message. Trace where the update process checks for environment.bat; done means the reported failure is reproducible, its cause is identified, and the update behavior is corrected or clearly documented.

Written by the indexing model from the issue text.