There maybe some thing wrong about popup menu？

Plug 'ncm2/ncm2'
Plug 'ncm2/ncm2-highprio-pop'
Plug 'roxma/nvim-yarp'

Plug 'ncm2/ncm2'
Plug 'roxma/nvim-yarp'

Plug 'ncm2/ncm2-bufword'
Plug 'ncm2/ncm2-tmux'
Plug 'ncm2/ncm2-path'
Plug 'fgrsnau/ncm2-otherbuf', { 'branch': 'ncm2'}
Plug 'ncm2/ncm2-ultisnips'

" languages
Plug 'ncm2/ncm2-tern',  {'do': 'npm install','for':['javascript','javascript.jsx']}
" Plug 'ncm2/ncm2-pyclang',  {'for':['c','cpp']}
Plug 'ncm2/ncm2-cssomni',{'for':'css'}
Plug 'ncm2/ncm2-jedi',{'for':'python'}

let $NVIM_PYTHON_LOG_FILE="/tmp/nvim_log"
let $NVIM_PYTHON_LOG_LEVEL="DEBUG"
let g:python_host_skip_check=1
let g:python_host_prog = '/usr/bin/python2'
let g:python3_host_skip_check=1
let g:python3_host_prog = '/usr/bin/python3'

let g:ncm2#auto_popup=1
set completeopt=noselect,menuone,noinsert
autocmd InsertEnter * call ncm2#enable_for_buffer()
" au TextChangedI * call ncm2#auto_trigger()


function! SmartEnterMap()
  if ncm2_ultisnips#completed_is_snippet()
    return  ncm2_ultisnips#_do_expand_completed()
  else
    return "\<C-y>"
  endif
endfunction
inoremap <expr> <CR> pumvisible() ? "<C-R>=SmartEnterMap()<CR>" : "\<CR>"


function! Multiple_cursors_before()
    call ncm2#lock('vim-multiple-cursors')
endfunction

function! Multiple_cursors_after()
    call ncm2#unlock('vim-multiple-cursors')
endfunction

" common
call ncm2#override_source('ultisnips', {'priority': 10})
" language
let g:ncm2_pyclang#library_path = '/usr/lib/libclang.so'
let g:ncm2_pyclang#args_file_path = ['.clang_complete']
let g:ncm2_pyclang#database_path = [
            \ 'compile_commands.json',
            \ 'build/compile_commands.json'
            \ ]
" lsp
call ncm2#override_source('LanguageClient_python', {'enable': 0})
" call ncm2#override_source('LanguageClient_cpp', {'enable': 0})
call ncm2#override_source('LanguageClient_javascript', {'enable': 0})
call ncm2#override_source('LanguageClient_typescript', {'enable': 0})
call ncm2#override_source('LanguageClient_javascript.jsx', {'enable': 0})

Plug 'autozimu/LanguageClient-neovim', {
  \ 'branch': 'next',
  \ 'do': 'bash install.sh',
  \ 'frozen': 1,
  \ 'on_event': ['CursorHold', 'CursorHoldI', 'InsertEnter']
  \ }




let g:LanguageClient_serverCommands = {
    \ 'python':['pyls'],
    \ 'c': ['ccls', '--log-file=/tmp/cc.log'],
    \ 'cpp': ['ccls', '--log-file=/tmp/cc.log'],
    \ 'javascript': ['javascript-typescript-stdio'],
    \ 'javascript.jsx': ['javascript-typescript-stdio'],
    \ 'typescript': ['javascript-typescript-stdio'],
    \ 'css' : ['css-languageserver','--stdio'],
    \ 'less' : ['css-languageserver','--stdio'],
    \ 'sass' : ['css-languageserver','--stdio'],
    \ }
let g:LanguageClient_autoStart = 1
let g:LanguageClient_loadSettings = 1
let g:LanguageClient_settingsPath = '$HOME/.space-vim/layers/+tools/lspc/settings.json'
set completefunc=LanguageClient#complete
set formatexpr=LanguageClient#textDocument_rangeFormatting_sync()
let g:LanguageClient_completionPreferTextEdit=1
let g:LanguageClient_hasSnippetSupport =0
let g:LanguageClient_loggingLevel = 'INFO'
let g:LanguageClient_loggingFile = stdpath('data') . '/LanguageClient.log'
let g:LanguageClient_serverStderr = stdpath('data') . '/LanguageServer.log'
" disable interact with ale
let g:LanguageClient_diagnosticsEnable=0

nnoremap <silent> K :call LanguageClient#textDocument_hover()<CR>
nnoremap <silent> gd :call LanguageClient#textDocument_definition()<CR>
nnoremap <silent> gvd :call LanguageClient#textDocument_definition({'gotoCmd': 'split'})<CR>
nnoremap <silent> <localleader>cn :call LanguageClient#textDocument_rename()<CR>
nnoremap <silent> <leader><leader>z :pc<CR>
nnoremap <silent> <M-c> :pc<CR>

augroup LanguageClient_config
  autocmd!
  autocmd silent! User LanguageClientStarted setlocal signcolumn=yes
  autocmd silent! User LanguageClientStopped setlocal signcolumn=auto
augroup END

Here’s my vimrc about ncm2 and lsp.

[hackingcat]

Before I updated ncm2 to the latest commit,the popup menu will display ‘if us’ and ‘if keyword’ after typing ‘if’,but now only ‘if us’ was displayed.

@roxma

[hackingcat]

After removing ‘ncm2/ncm2-highprio-pop’,ncm2 works well as expected.Thank you!