leader + i : can not open the outline of cpp file ,just can open the outline of like yaml and python files

[meison92]

Problems summary

leader + i : can not open the outline of cpp file ,just can open the outline of yaml file

Environment Information

• OS: Ubuntu 1804

• thinkvim :echo g:thinkvim_version output: 2.6.5

• neovim :version output: 0.4.4

• :checkhealth or :CheckHealth result(neovim only):

health#coc#check

• OK: Environment check passed

• OK: Javascript bundle build/index.js found

• OK: Service started

health#nvim#check

Configuration

• OK: no issues found

Performance

• OK: Build type: Release

Remote Plugins

• OK: Up to date

terminal

• INFO: key_backspace (kbs) terminfo entry: key_backspace=\177
• INFO: key_dc (kdch1) terminfo entry: key_dc=\E[3~
• INFO: $SSH_TTY='/dev/pts/8'

health#provider#check

Clipboard (optional)

• WARNING: No clipboard tool found. Clipboard registers ("+ and "*) will not work.
  • ADVICE:
    • :help clipboard

Python 2 provider (optional)

• INFO: pyenv: Path: /home/meison/.pyenv/libexec/pyenv
• INFO: pyenv: Root: /home/meison/.pyenv
• INFO: g:python_host_prog is not set. Searching for python2 in the environment.
• WARNING: pyenv is not set up optimally.
  • ADVICE:
    • Create a virtualenv specifically for Neovim using pyenv, and set g:python_host_prog. This will avoid the need to install the pynvim module in each version/virtualenv.
• INFO: Executable: /usr/bin/python2
• INFO: Python version: 2.7.17
• INFO: pynvim version: 0.2.6 (outdated; from /usr/lib/python2.7/dist-packages/neovim)
• WARNING: Latest pynvim is NOT installed: 0.4.3

Python 3 provider (optional)

• INFO: pyenv: Path: /home/meison/.pyenv/libexec/pyenv
• INFO: pyenv: Root: /home/meison/.pyenv
• INFO: Using: g:python3_host_prog = "/home/meison/.pyenv/versions/neovim/bin/python"
• INFO: Executable: /home/meison/.pyenv/versions/neovim/bin/python
• INFO: Python version: 3.6.9
• INFO: pynvim version: 0.4.3
• OK: Latest pynvim is installed.

Ruby provider (optional)

• INFO: Ruby: ruby 2.5.1p57 (2018-03-29 revision 63029) [x86_64-linux-gnu]
• WARNING: neovim-ruby-host not found.
  • ADVICE:
    • Run gem install neovim to ensure the neovim RubyGem is installed.
    • Run gem environment to ensure the gem bin directory is in $PATH.
    • If you are using rvm/rbenv/chruby, try "rehashing".
    • See :help g:ruby_host_prog for non-standard gem installations.

Node.js provider (optional)

• INFO: Node.js: v14.16.1
• INFO: Neovim node.js host: /usr/local/lib/node_modules/neovim/bin/cli.js
• OK: Latest "neovim" npm/yarn package is installed: 4.10.0

How to reproduce the problem from neovim startup (Required!)

1. foo
2. bar
3. baz

Screenshot (if possible)