学生评分弹出框缺少关闭按钮

app/views/courses/show_member_score.js.erb

@@ -6,8 +6,8 @@ $('#ajax-modal').html('<%= escape_javascript(render :partial => 'courses/show_me
 showModal('ajax-modal', '400px');
 //$('#ajax-modal').css('height','569px');
 $('#ajax-modal').siblings().remove();
-$('#ajax-modal').before("<span style='float: right;cursor:pointer;padding-left: 513px;'>" +
-"<a href='javascript:void(0)' onclick='hidden_homework_score_form();'><img src='/images/bid/close.png' width='26px' height='26px' style='margin-left: -30px;' /></a></span>");
+$('#ajax-modal').before("<span>" +
+"<a href='javascript:void(0)' onclick='hidden_homework_score_form();'><img src='/images/bid/close.png' width='26px' height='26px' style='margin-left: 375px;' /></a></span>");
 //$('#ajax-modal').parent().removeClass();
 $('#ajax-modal').parent().css("top","30%").css("left","40%").css("position","fixed");
 $('#ajax-modal').parent().addClass("new-watcher");