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Variants items can not show variants and shopping cart on V12

Hi

I follow the easy install instruction to install V12 erpnext in my VPS succesfully:
sudo apt update
sudo apt -y upgrade
sudo apt -y install python3-minimal
sudo apt -y install git build-essential python3-setuptools python3-dev libffi-dev libssl-dev
wget https://raw.githubusercontent.com/frappe/bench/master/playbooks/install.py
sudo -H python3 install.py --production --site erpnext.buyerclub.cn --user erpnext --mysql-root-password *********** --admin-password *********** --bench-name frappe-bench
bench --site erpnext.buyerclub.cn --force restore database.sql.gz --with-private-files private-files.tar --with-public-files files.tar
bench --site erpnext.buyerclub.cn migrate
But after I migrate the backup of V11 database, the web page of the variants item can not display in right statu: it can not show variants and shopping cart on V12.

You could fins the difference between following two web page:

Here is the web page undere:

ERPNext: v11.1.49 (master)

Frappe Framework: v11.1.44 (master)

https://erp.buyerclub.cn/products/booty-belt-yifkl

Here is the web page undere:

ERPNext: v12.2.2 (version-12)

Frappe Framework: v12.0.20 (version-12)

I like the first one. How can I setting the website page to show the old vision styles?

Could you please help me to find solution?

Thank you very much.

Alex