* fix #93.
* fix #93.

tingjianlau/EasyPR,micooz/EasyPR,liuruoze/EasyPR,feiyungu/EasyPR,liuruoze/EasyPR,tingjianlau/EasyPR,micooz/EasyPR,feiyungu/EasyPR,liuruoze/EasyPR,micooz/EasyPR,tingjianlau/EasyPR,feiyungu/EasyPR,tingjianlau/EasyPR,liuruoze/EasyPR,feiyungu/EasyPR,micooz/EasyPR