upload_lang.php:修改上传后错误提示为中文
application/controllers/scence.php:去掉显示错误信息时文字两侧的<p>标签
application/controllers/faulttree.php:将显示错误提示页面时上方英文，修改为中文
application/controllers/event.php:修改错误页面提示信息英文为中文
application/views/templates/event_main.html:工具栏div及img添加class(修改size),频谱仪改为一个表笔
js/event/plumb.js:去掉频谱仪的红表笔
application/views/templates/event_main.html:开箱及放大镜增加场景略缩图
application/views/templates/exam_question.html,application/views/templates/practice_question.html:去掉频谱仪多余表笔，将工具栏style转为class
js/event/event.js:编辑事件时增加略缩图
js/exam/plumb.js,js/practice/plumb.js:去掉频谱仪多余表笔
tools/gif/*:更换gif图片
application/controllers/exam.php:已结束考试不可再参加
application/controllers/exam.php:加注释*2
application/models/scence_model.php
application/views/templates/scence_main.html:场景列表添加场景包括热区数量列，方便查看