fix uk issue

src/main/java/com/edgec/browserbackend/browser/task/BrowserTask.java

@@ -122,7 +122,11 @@ public class BrowserTask {
                                 Map<String, String> header = buildPostHeader();
                                 HashMap<String, Object> map = new HashMap<>();
                                 map.put("name", ipResource.getUsername());
-                                map.put("region", ipResource.getRegion());
+                                if("uk".equals(ipResource.getRegion())) {
+                                    map.put("region", "london");
+                                } else {
+                                    map.put("region", ipResource.getRegion());
+                                }
                                 map.put("period", String.valueOf(ipResource.getPeriod()));
                                 map.put("provider", ipResource.getVendor());
                                 map.put("unit", ipResource.getUnit());