In the new preview version, Mace can be stacked, as a weapon it should not be stackable,Mace's enchantment is also abnormal, and the enchantment will take a step back when stacked
anticipate:
Mace should have a maximum stack of 1, and only one enchanted item should appear after enchantment
Linked issues
duplicates 1
Attachments
Comments 2

Thank you for your report!
We're tracking this issue in MCPE-185896, so this ticket is being resolved and linked as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
If you haven't already, you might like to make use of the search feature to see if the issue has already been mentioned.
Quick Links:
📓 Bug Tracker Guidelines – 💬 Community Support – 📧 Mojang Support (Technical Issues) – 📧 Microsoft Support (Account Issues)
📓 Project Summary – ✍️ Feedback and Suggestions – 📖 Game Wiki