jihulab logo替换后，邮件中的logo显示异常（上下挤压）

Summary

jihulab logo替换后，邮件中的logo显示异常（上下挤压）

Steps to reproduce

  1. 查看邮件中的logo（如注册邮箱、邮箱替换邮箱等）

Example Project

What is the current bug behavior?

logo图标显示异常

What is the expected correct behavior?

正常显示logo图标

Relevant logs and/or screenshots

image

Output of checks

Results of GitLab environment info

Expand for output related to GitLab environment info 

(For installations with omnibus-gitlab package run and paste the output of:
`sudo gitlab-rake gitlab:env:info`)

(For installations from source run and paste the output of:
`sudo -u git -H bundle exec rake gitlab:env:info RAILS_ENV=production`)

Results of GitLab application Check

Expand for output related to the GitLab application check 
(For installations with omnibus-gitlab package run and paste the output of:
sudo gitlab-rake gitlab:check SANITIZE=true)


(For installations from source run and paste the output of:
sudo -u git -H bundle exec rake gitlab:check RAILS_ENV=production SANITIZE=true)


(we will only investigate if the tests are passing)

Possible fixes