diff --git a/src/app/core/discovery/discovery-session.ts b/src/app/core/discovery/discovery-session.ts
index f88fb76..ca81ed0 100644
--- a/src/app/core/discovery/discovery-session.ts
+++ b/src/app/core/discovery/discovery-session.ts
@@ -1,6 +1,6 @@
 import { Store, select } from '@ngrx/store';
 
-import { Host, Port, DiscoveryModeType, Service } from '@overflow/model/discovery';
+import { Host, Port, DiscoveryModeType, Service, Zone } from '@overflow/model/discovery';
 import { RPCSubscriber } from '@overflow/commons/ui/decorator/RPCSubscriber';
 import { RPCError } from '@overflow/rpc-js';
 
@@ -44,11 +44,35 @@ export class DiscoverySession {
         if (null !== discoverySession) {
           return null;
         }
+
+        let _zone: Zone = null;
+        let _host: Host = null;
+        let _port: Port = null;
+
+        if (null !== zone) {
+          _zone = {
+            ...zone,
+            hostList: null,
+          };
+        }
+        if (null !== host) {
+          _host = {
+            ...host,
+            portList: null,
+          };
+        }
+        if (null !== port) {
+          _port = {
+            ...port,
+            serviceList: null,
+          };
+        }
+
         const discoverRequestInfo = {
           requesterID: memberID,
-          zone,
-          host,
-          port,
+          zone: _zone,
+          host: _host,
+          port: _port,
           discoverHost,
           discoverPort,
           discoverService,
diff --git a/src/app/pages/home/home-page.component.html b/src/app/pages/home/home-page.component.html
index 6ebc9ae..def5a0d 100644
--- a/src/app/pages/home/home-page.component.html
+++ b/src/app/pages/home/home-page.component.html
@@ -3,7 +3,10 @@
     <div class="start-button" (click)="requestDiscover()">
       <svg version="1.1" viewBox="0 0 200 210">
         <path d="M8.3,193.5c0.1,2.4,0.8,4.9,2.1,7.1c4.5,7.7,14.3,10.4,22.1,5.9l152.1-87.8c2-1.3,3.8-3.1,5.1-5.4
-        c4.5-7.7,1.8-17.6-5.9-22.1L31.6,3.4c-2.2-1.1-4.6-1.7-7.2-1.7c-8.9,0-16.2,7.2-16.2,16.2V193.5z" />
+        c4.5-7.7,1.8-17.6-5.9-22.1L31.6,3.4c-2.2-1.1-4.6-1.7-7.2-1.7c-8.9,0-16.2,7.2-16.2,16.2V193.5z">
+        </path>
+        <animateTransform attributeName="transform" type="scale" values="1 1; 1.1 1.1; 1 1" dur="3s" repeatCount="indefinite" />
+        <animate attributeName="fill" values="gray;white;gray" dur="3s" repeatCount="indefinite" />
       </svg>
     </div>
     <div class="home-description">
@@ -20,4 +23,4 @@
   </div>
 </of-p-div>
 
-<p-confirmDialog></p-confirmDialog>
\ No newline at end of file
+<p-confirmDialog></p-confirmDialog>