fix bug that it throws exception when some field not exists in context.

Open jasonsun2016 opened this issue 8 years ago • 1 comments

Hi, I found that it throws exception when some field not exists in context and I fixed this, pls agree merge this into master branch.

Mar 28 '18 01:03 jasonsun2016

I think this error should exist since it occurs because the user did not provide the required arguments.

Feb 23 '22 13:02 mr-cheffy