fix: update china range (#1)

Author: ipcjs

index.js

@@ -55,7 +55,9 @@
     new Rectangle(109.032300, 55.817500, 119.127000, 50.325700),
     new Rectangle(127.456800, 55.817500, 137.022700, 49.557400),
     new Rectangle(131.266200, 44.892200, 137.022700, 42.569200),
-    new Rectangle(73.124600, 35.398637, 77.948114, 29.529700)
+    new Rectangle(73.124600, 35.398637, 77.948114, 29.529700),
+    new Rectangle(114.505238, 22.138258, 113.845000, 22.428903),
+    new Rectangle(113.97000, 22.507833, 114.450000, 22.428903),
   ];
 
   function isInChina(lon, lat) {