OpenCart 3.0, Fixed the Unit Name Length which users are using Chinese, Japanese or Korean in admin side.
Download this file and upload the xxx.ocmod.zip can be found to use in your OpenCart store.
If you need to add this kind of unit (wordings) in admin side, you can take a look at the Youtube video below.

OpenCart 3.0 管理平台設定長度及重量單位字元修正
只要下載壓縮檔後將整個 xxx.ocmod.zip 上載到您的OpenCart商店即可以使用。
簡單容易就可以修改您的OpenCart。
詳情請瀏覽下方 Youtube 影片