Update README.md

README.md

@@ -2,7 +2,7 @@
 - [标准开发流程与完成标准](http://lab.hbbyun.com/businessdoc/hbbdoc/wikis/%E6%A0%87%E5%87%86%E5%BC%80%E5%8F%91%E6%B5%81%E7%A8%8B%E4%B8%8E%E5%AE%8C%E6%88%90%E6%A0%87%E5%87%86)
 
 ### 业务文档
--  [货宝宝基本计算规则](http://lab.hbbyun.com/businessdoc/hbbdoc/wikis/%E5%9F%BA%E6%9C%AC%E8%AE%A1%E7%AE%97%E5%85%AC%E5%BC%8F)
+-  [货宝宝基本计算公式](http://lab.hbbyun.com/businessdoc/hbbdoc/wikis/%E5%9F%BA%E6%9C%AC%E8%AE%A1%E7%AE%97%E5%85%AC%E5%BC%8F)
 -  [货宝宝取价规则](http://lab.hbbyun.com/businessdoc/hbbdoc/wikis/%E8%B4%A7%E5%AE%9D%E5%AE%9D%E5%9F%BA%E6%9C%AC%E5%8F%96%E4%BB%B7%E8%A7%84%E5%88%99)
 -  [货宝宝单据计算规则](http://lab.hbbyun.com/businessdoc/hbbdoc/wikis/%E8%B4%A7%E5%AE%9D%E5%AE%9D%E5%8D%95%E6%8D%AE%E8%AE%A1%E7%AE%97%E8%A7%84%E5%88%99)
 -  [销售单据信息处理规则](http://lab.hbbyun.com/businessdoc/hbbdoc/wikis/%E9%94%80%E5%94%AE%E5%8D%95%E6%8D%AE%E4%BF%A1%E6%81%AF%E5%A4%84%E7%90%86%E8%A7%84%E5%88%99)