fix direct edit link
fix direct edit link

--HG--
branch : java

nattee/cafe-grader-web,cafe-grader-team/cafe-grader-web,nattee/cafe-grader-web,nattee/cafe-grader-web,jittat/cafe-grader-web,cafe-grader-team/cafe-grader-web,cafe-grader-team/cafe-grader-web,nattee/cafe-grader-web,cafe-grader-team/cafe-grader-web,jittat/cafe-grader-web