This commit is contained in:
cxt 2015-09-23 08:57:03 +08:00
commit 7954b5ace8
1 changed files with 1 additions and 1 deletions

View File

@ -45,7 +45,7 @@ class StudentWorkTest < ActiveRecord::Base
private
def get_success_count
self.results.inject(0) do |sum, result|
sum += (result["status"].to_i == 0 ? 1 : 0)
sum += (result["status"] && result["status"].to_i == 0 ? 1 : 0)
end || 0
end