此次升级会改动数据库，建议大家选择自动升级。
170版本改动比较多，一些之前的严重问题已经得到修复。如CASE 太多刷新左侧树状栏比较慢。
分级没有限制等。
下载地址请访问testlink.org 官方网站 http://testlink.org/
如果大家升级中有任何问题，欢迎到此导论：）
Please download the final 1.7.0 release:
https://sourceforge.net/project/showfiles.php?group_id=90976&package_id=216115&release_id=539575
This is final and stable version. There is several minor fixes against RC3 (see changes log).
Download, install and enjoy!
New 1.7 functionality overview
# Test Case history/ versioning
# Unlimited structure of Test Specification
# Support for other databases (SQL standard, generalized DB interdace)
# Improved user management (editable)
# Attachments
# Revision of Standard terminology
# Enhanced reports
# XML import/export
# Custom fields for Test Cases
附：1.70一些文档
https://files.cnblogs.com/testlink/installation_manual.pdf
https://files.cnblogs.com/testlink/user_manual.pdf
https://files.cnblogs.com/testlink/tl-bts-howto.pdf
https://files.cnblogs.com/testlink/MySQL-RefManual-A.2.3.pdf
