Uncaught Error: TypeError: Cannot read property 'getLastSelection' of undefined [uploaderName=qin...

[azhegit]

[Enter steps to reproduce:]

1. ...
2. ...

Atom: 1.28.0 x64
Electron: 2.0.3
OS: Mac OS X 10.13.5
Thrown From: markdown-assistant package 0.2.0

Stack Trace

Uncaught Error: TypeError: Cannot read property 'getLastSelection' of undefined [uploaderName=qiniu-uploader]

At /Users/azhe/.atom/packages/markdown-assistant/lib/main.coffee:64

Error: TypeError: Cannot read property 'getLastSelection' of undefined [uploaderName=qiniu-uploader]
    at Object.eventHandler (/packages/markdown-assistant/lib/main.coffee:64:15)
    at /packages/markdown-assistant/lib/main.coffee:29:10)

Commands

     -4:16.6.0 settings-view:open (input.hidden-input)
 16x -3:51.6.0 core:backspace (input.hidden-input)
     -3:31.9.0 core:confirm (input.hidden-input)
     -2:59.7.0 core:paste (input.hidden-input)
  8x -2:51.8.0 core:copy (atom-notification.fatal.icon.icon-bug.native-key-bindings.has-detail.has-close.has-stack)

Non-Core Packages

language-markdown 0.26.0 
markdown-assistant 0.2.0 
markdown-preview-enhanced 0.15.6 
qiniu-uploader 0.0.5 
simplified-chinese-menu 5.3.5