diff --git a/src/app/pages/home/home-page.component.ts b/src/app/pages/home/home-page.component.ts
index 39d24f4..dbd64f0 100644
--- a/src/app/pages/home/home-page.component.ts
+++ b/src/app/pages/home/home-page.component.ts
@@ -86,29 +86,29 @@ export class HomePageComponent implements OnInit, OnDestroy {
   }
 
   startDiscovery() {
-    this.zone = {
-      network: '192.168.1.0/24',
-      iface: 'enp3s0',
-      metaIPType: toMetaIPType(MetaIPTypeEnum.V4),
-      address: '192.168.1.101',
-      mac: '44:8a:5b:f1:f1:f3',
-    };
+    // this.zone = {
+    //   network: '192.168.1.0/24',
+    //   iface: 'enp3s0',
+    //   metaIPType: toMetaIPType(MetaIPTypeEnum.V4),
+    //   address: '192.168.1.101',
+    //   mac: '44:8a:5b:f1:f1:f3',
+    // };
 
-    this.discoverHost = {
-      metaIPType: toMetaIPType(MetaIPTypeEnum.V4),
-      firstScanRange: '192.168.1.1',
-      lastScanRange: '192.168.1.254',
-      discoveryConfig: {
-      },
-      discoverPort: {
-        firstScanRange: 1,
-        lastScanRange: 65535,
-        includeTCP: true,
-        includeUDP: true,
-        discoverService: {
-        }
-      }
-    };
+    // this.discoverHost = {
+    //   metaIPType: toMetaIPType(MetaIPTypeEnum.V4),
+    //   firstScanRange: '192.168.1.1',
+    //   lastScanRange: '192.168.1.254',
+    //   discoveryConfig: {
+    //   },
+    //   discoverPort: {
+    //     firstScanRange: 1,
+    //     lastScanRange: 65535,
+    //     includeTCP: true,
+    //     includeUDP: true,
+    //     discoverService: {
+    //     }
+    //   }
+    // };
 
     console.log('########################################################');
     console.log(this.zone);
diff --git a/src/app/pages/pages.component.ts b/src/app/pages/pages.component.ts
index b26cf58..141ea16 100644
--- a/src/app/pages/pages.component.ts
+++ b/src/app/pages/pages.component.ts
@@ -52,7 +52,7 @@ export class PagesComponent implements AfterViewInit, OnDestroy, OnInit {
 
   menuHoverActive: boolean;
 
-  started: boolean = false;
+  started = false;
 
   @ViewChild('layoutContainer') layourContainerViewChild: ElementRef;
 
diff --git a/src/commons/component/scanner-setting-dropdown.component.ts b/src/commons/component/scanner-setting-dropdown.component.ts
index fa3d95e..81c377a 100644
--- a/src/commons/component/scanner-setting-dropdown.component.ts
+++ b/src/commons/component/scanner-setting-dropdown.component.ts
@@ -4,8 +4,7 @@ import { DiscoverHost, Zone } from '@overflow/model/discovery';
 import { toMetaIPType, MetaIPTypeEnum, MetaPortTypeEnum } from '@overflow/model/meta';
 import { DiscoveryConfigService } from '../service/discovery-config.service';
 
-
-const IPCIDR = require("ip-cidr");
+const IPCIDR = require('ip-cidr');
 
 @Component({
   selector: 'app-scanner-setting-dropdown',
@@ -57,9 +56,9 @@ export class ScannerSettingDropdownComponent implements OnInit {
 
     this.firstIP = cidr.start();
     this.lastIP = cidr.end();
-    this.includePortType = [MetaPortTypeEnum.TCP, MetaPortTypeEnum.UDP]
-    this.firstPort = '1'
-    this.lastPort = '65535'
+    this.includePortType = [MetaPortTypeEnum.TCP, MetaPortTypeEnum.UDP];
+    this.firstPort = '1';
+    this.lastPort = '65535';
     this.ipErrMsg = '';
     this.portErrMsg = '';
 
@@ -74,8 +73,8 @@ export class ScannerSettingDropdownComponent implements OnInit {
           this.ipErrMsg = 'Invalid IP format.';
           return;
         }
-        let from = idx === 0 ? value : this.firstIP;
-        let to = idx === 1 ? value : this.lastIP;
+        const from = idx === 0 ? value : this.firstIP;
+        const to = idx === 1 ? value : this.lastIP;
         if (this.ipToNum(from) > this.ipToNum(to)) {
           this.ipErrMsg = 'Invalid IP range.';
           return;
@@ -101,15 +100,15 @@ export class ScannerSettingDropdownComponent implements OnInit {
   }
 
   ipToNum(ip: string): number {
-    return ip.split('.').reduce(function (ipInt, octet) { return (ipInt << 8) + parseInt(octet, 10) }, 0) >>> 0;
+    return ip.split('.').reduce(function (ipInt, octet) { return (ipInt << 8) + parseInt(octet, 10); }, 0) >>> 0;
   }
 
   validatePort(value: string, idx: number) {
     this.portErrMsg = '';
-    let fromStr = idx === 0 ? value : this.firstPort;
-    let toStr = idx === 1 ? value : this.lastPort;
-    let from = Number(fromStr);
-    let to = Number(toStr)
+    const fromStr = idx === 0 ? value : this.firstPort;
+    const toStr = idx === 1 ? value : this.lastPort;
+    const from = Number(fromStr);
+    const to = Number(toStr);
     if (from === NaN || to === NaN) {
       this.portErrMsg = 'Invalid Port Type.';
       return;
@@ -156,14 +155,14 @@ export class ScannerSettingDropdownComponent implements OnInit {
   }
 
   saveLastCondition() {
-    var c: Condition = {
+    const c: Condition = {
       ipType: this.ipType,
       firstIP: this.firstIP,
       lastIP: this.lastIP,
       includePortType: this.includePortType,
       firstPort: this.firstPort,
       lastPort: this.lastPort,
-    }
+    };
     this.lastCondition = c;
   }
 
@@ -191,13 +190,14 @@ export class ScannerSettingDropdownComponent implements OnInit {
       metaIPType: toMetaIPType(this.ipType),
       firstScanRange: this.firstIP,
       lastScanRange: this.lastIP,
+      discoveryConfig: {},
       discoverPort: {
         firstScanRange: Number(this.firstPort),
         lastScanRange: Number(this.lastPort),
         includeTCP: this.includePortType.indexOf(MetaPortTypeEnum.TCP) !== -1 ? true : false,
         includeUDP: this.includePortType.indexOf(MetaPortTypeEnum.UDP) !== -1 ? true : false,
       }
-    }
+    };
     this.ready.emit(discoverHost);
   }