After Upgrade, Vim Ctrl-W not working.

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• iTerm2 version:Build 3.4.0beta4
• OS version:OS X 10.15.6

Detailed steps to reproduce the problem:

1. install vim with brew and ctags

2. in vimrc mapping the key with nmap h nmap j nmap k nmap l

3. in vim running "vs"

4. Go to definition with Ctrl + ].

After that Ctrl+w signal doesn't rise so keymap in vimrc doesn't work..