Update README.md

README.md

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 - [货宝宝项目管理-项目负责人篇](http://lab.hbbyun.com/businessdoc/hbbdoc/wikis/%E8%B4%A7%E5%AE%9D%E5%AE%9D%E9%A1%B9%E7%9B%AE%E7%AE%A1%E7%90%86-%E9%A1%B9%E7%9B%AE%E8%B4%9F%E8%B4%A3%E4%BA%BA%E7%AF%87)
 
 ### 开发团队新人资料
-- [开发团队新人资料](http://lab.hbbyun.com/businessdoc/hbbdoc/wikis/%E5%BC%80%E5%8F%91%E5%9B%A2%E9%98%9F%E6%96%B0%E4%BA%BA%E8%B5%84%E6%96%99)
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+- [开发团队新人资料](http://lab.hbbyun.com/businessdoc/hbbdoc/wikis/%E5%BC%80%E5%8F%91%E5%9B%A2%E9%98%9F%E6%96%B0%E4%BA%BA%E8%B5%84%E6%96%99)
+
+### 打印说明书
+- [如何正常预览打印单据](http://lab.hbbyun.com/businessdoc/hbbdoc/wikis/%E5%A6%82%E4%BD%95%E6%AD%A3%E5%B8%B8%E9%A2%84%E8%A7%88%E6%89%93%E5%8D%B0%E5%8D%95%E6%8D%AE)
+- [旧用户如何正常打印](http://lab.hbbyun.com/businessdoc/hbbdoc/wikis/%E6%97%A7%E7%94%A8%E6%88%B7%E5%A6%82%E4%BD%95%E6%AD%A3%E5%B8%B8%E6%89%93%E5%8D%B0)
+- [如何添加打印机](http://lab.hbbyun.com/businessdoc/hbbdoc/wikis/%E5%A6%82%E4%BD%95%E6%B7%BB%E5%8A%A0%E6%89%93%E5%8D%B0%E6%9C%BA)
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