update doc

Author: itbdw

README.md

@@ -68,12 +68,14 @@ http://www.cz88.net/fox/ipdat.shtml
 
 
 
-##Thanks
+## Thanks
+
 + 1, qqary.dat database provider http://www.cz88.net/fox/ipdat.shtml
 + 2, class original provider 马秉尧
 
 
 ## update log
+
 ```
  IP 地理位置查询类