diff --git a/switch.go b/switch.go
index 2aa12ec..130c3b5 100644
--- a/switch.go
+++ b/switch.go
@@ -200,7 +200,6 @@ func (swi *Switch) switchActives(w http.ResponseWriter, req *http.Request) {
 	for addr, group := range swi.Worker.ForLoop {
 
 		addrmap := make(map[string]interface{})
-		content[addr] = addrmap
 
 		isappend := int64(0)
 		var hosts []string
@@ -211,6 +210,7 @@ func (swi *Switch) switchActives(w http.ResponseWriter, req *http.Request) {
 			hosts = append(hosts, dhost.Host)
 		}
 		if isappend > 1 {
+			content[addr] = addrmap
 			addrmap["group"] = hosts
 			addrmap["city"] = group.City
 		}