修复课程、项目上传资源关联资源时，查询出结果超出浏览器边界的问题

app/views/attachments/autocomplete.js.erb

@@ -4,4 +4,5 @@ $('#relation_file').html('<%=render_attachments_for_new_project(@project, nil)%>
 <% elsif @course%>
 $('#relation_file').html('<%=render_attachments_for_new_course(@course, nil)%>');
 <% end%>
+$('#attachments').children().css("width","100%").css("word-break","break-all");