> For the complete documentation index, see [llms.txt](https://kawsing.gitbook.io/opensystem/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://kawsing.gitbook.io/opensystem/andoid-shou-ji/untitled/xi-tong-sheng-ji.md).

# 系統升級

**omv-release-upgrade**

![](/files/-Lp_g0DBqEmT-tqfIsQS)

![](/files/-Lp_fWh-AlL4JSuTjHnF)

![](/files/-LpaTk0qLqo7P7-oQOiQ)

```
Error #0: OMV\Exception: Failed to read file '/var/cache/openmediavault/cache.omv\controlpanel\login_js.json' (size=0). in /usr/share/php/openmediavault/json/file.inc:207 Stack trace: #0 /usr/share/php/openmediavault/json/file.inc(223): OMV\Json\File->getContents() #1 /usr/share/php/openmediavault/controlpanel/controlpanelabstract.inc(173): OMV\Json\File->read() #2 /var/www/ope
```

已安裝omv-extras ，請運行omv-aptclean 。還要清除瀏覽器緩存

```
omv-aptclean 
```

![](/files/-LpaU0jyTtufz-ULUZsX)