按折线向内翻折就可以了
http://www.zhezhixueyuan.com/forum.php?mod=image&aid=325730&size=300x300&key=a0799dd231decadf&nocache=yes&type=fixnonehttp://www.zhezhixueyuan.com/forum.php?mod=image&aid=325730&size=300x300&key=a0799dd231decadf&nocache=yes&type=fixnonehttp://www.zhezhixueyuan.com/forum.php?mod=image&aid=325731&size=300x300&key=44134fc6e282db97&nocache=yes&type=fixnone
把那块直接塞进去就好了