fix doc

Author: itbdw

README.md

@@ -70,7 +70,7 @@ http://www.cz88.net/fox/ipdat.shtml
 
 ## Thanks
 
-+ 1, qqary.dat database provider http://www.cz88.net/fox/ipdat.shtml
++ 1, qqwry.dat database provider http://www.cz88.net/fox/ipdat.shtml
 + 2, class original provider 马秉尧