缺少文件 4.所选类别和开发环境不对 5.乱写说明或说明不够认真 6.压缩文件有密码 7.源码重复或已经存在 -Lack of documentation 4. Selected the type and development environment is not 5. Write without basis or that not enough serious note 6. Compressed file has a password 7. Source duplica