MDict can‘t load more than 122 files as group
First solution to test:
The developer of App found the solution.
This is temporary Solution. Problem cause of apply system limit open file.
sudo launchctl limit maxfiles 65536 200000

More detail here: Maximum limits (macOS etc.)

Newer versions of macOS do not reference the file due to security
considerations.


The best solution:
ref: https://wilsonmar.github.io/maximum-limits/

Download this two file: https://github.com/wilsonmar/mac-setup/blob/master/configs/limit.maxfiles.plist

https://github.com/wilsonmar/mac-setup/blob/master/configs/limit.maxproc.plist

Copy and Paste this two file in folder /Library/LaunchDaemons/
In terminal write this code:


sudo launchctl load -w /Library/LaunchDaemons/limit.maxfiles.plist
sudo launchctl load -w /Library/LaunchDaemons/limit.maxproc.plist


Enter, will ask for user password.

In terminal, write:

sudo ulimit -n 65536 200000


Restart, i will work like a charm!