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                                            UESTC_Van

![2019-04-27 09:50:07屏幕截图](https://user-images.githubusercontent.com/34098704/56843390-a7d9cb00-68d2-11e9-8b7c-f0c247ea9778.png)

![2019-04-27 09:56:55屏幕截图](https://user-images.githubusercontent.com/34098704/56843404-cf309800-68d2-11e9-84e6-c40865b03316.png)