Merge branch 'master' of https://github.com/sun-jiao/Osmunda

Author: sun-jiao

README.md

@@ -3,8 +3,16 @@ The README in both Chinese and English is complete.
 
 中文和英文版本的README均是完整的。
 
-#
+# Introduction 简介
 
 An Android library to uncompress Open Street Map data, write into SQLite, for offline geocoding. 
 
 离线地理编码Android库，使用开放街道地图数据。
+
+# OSM data source 开放街道地图数据源
+
+# References & Credits 参考及致谢
+
+Thanks to [spyhunter99/osmreader](https://github.com/spyhunter99/osmreader), I referred to it, rewrote its core algorithms in kotlin, and fixed some bugs.
+
+感谢[spyhunter99/osmreader](https://github.com/spyhunter99/osmreader)，我参考了该项目，用kotlin重写了它的核心算法，并解决了一些bug。