display bugs of neovim on mac

neovim in my mac(os: monterey) has a display bugs, it gets two buffers mixed(Often occurs when switching buffer), like this(the part is content of nerdtree):
diplay bugs

some info:

terminal: iterm2
neovim:NVIM v0.6.0 Build type: Release LuaJIT 2.1.0-beta3
some Plugins in neovim:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
 1. 'vim-airline/vim-airline'
 2. 'vim-airline/vim-airline-themes' 
 3. 'scrooloose/nerdcommenter'  
 4. 'luochen1990/rainbow' 
 5. 'preservim/nerdtree'
 6. 'neoclide/coc.nvim', {'branch': 'release'}