# 系統升級

**omv-release-upgrade**

![](https://529150212-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-Lh81JtaIQ84bwQqz_Wh%2F-Lp_g-XZi-9hy4KRM1is%2F-Lp_g0DBqEmT-tqfIsQS%2Fimage.png?alt=media\&token=08be32b3-fc62-48a6-b009-29e8759e47b9)

![](https://529150212-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-Lh81JtaIQ84bwQqz_Wh%2F-Lp_fVBZLYiahseFwx17%2F-Lp_fWh-AlL4JSuTjHnF%2Fimage.png?alt=media\&token=6b0d0b10-4f16-4c98-9cde-859fd8832483)

![](https://529150212-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-Lh81JtaIQ84bwQqz_Wh%2F-LpaThsBVfu7gzHy02bn%2F-LpaTk0qLqo7P7-oQOiQ%2Fimage.png?alt=media\&token=61625bdd-7733-43ab-94fb-895004636ad8)

```
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 
```

![](https://529150212-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-Lh81JtaIQ84bwQqz_Wh%2F-LpaU-Hr77hTaMFsUPOx%2F-LpaU0jyTtufz-ULUZsX%2Fimage.png?alt=media\&token=b4f079c3-36b1-4584-a530-15c03cf9d17f)