diff --git a/src/app/app.component.html b/src/app/app.component.html
index d0e51a3..45b8085 100644
--- a/src/app/app.component.html
+++ b/src/app/app.component.html
@@ -35,27 +35,27 @@
 
 <p-dialog header="Export as JPEG" [(visible)]="displayExportJPEG" [modal]="true" [responsive]="true" [width]="350"
   [minWidth]="200" [minY]="70" [closable]="false">
-  <app-menu-export-jpeg #exportJPEG></app-menu-export-jpeg>
+  <app-menu-export-jpeg #exportJPEG (close)="onMenuClosed()"></app-menu-export-jpeg>
   <p-footer>
-    <button type="button" pButton icon="pi pi-check" (click)="exportJPEG.export();" label="Yes"></button>
+    <button type="button" pButton icon="pi pi-check" (click)="exportJPEG.export()" label="Yes"></button>
     <button type="button" pButton icon="pi pi-close" (click)="onMenuClosed()" label="No" class="ui-button-secondary"></button>
   </p-footer>
 </p-dialog>
 
 <p-dialog header="Export as PNG" [(visible)]="displayExportPNG" [modal]="true" [responsive]="true" [width]="350"
   [minWidth]="200" [minY]="70" [closable]="false">
-  <app-menu-export-png #exportPNG></app-menu-export-png>
+  <app-menu-export-png #exportPNG (close)="onMenuClosed()"></app-menu-export-png>
   <p-footer>
-    <button type="button" pButton icon="pi pi-check" (click)="exportPNG.export();" label="Yes"></button>
+    <button type="button" pButton icon="pi pi-check" (click)="exportPNG.export()" label="Yes"></button>
     <button type="button" pButton icon="pi pi-close" (click)="onMenuClosed()" label="No" class="ui-button-secondary"></button>
   </p-footer>
 </p-dialog>
 
 <p-dialog header="Export as SVG" [(visible)]="displayExportSVG" [modal]="true" [responsive]="true" [width]="350"
   [minWidth]="200" [minY]="70" [closable]="false">
-  <app-menu-export-svg #exportSVG></app-menu-export-svg>
+  <app-menu-export-svg #exportSVG (close)="onMenuClosed()"></app-menu-export-svg>
   <p-footer>
-    <button type="button" pButton icon="pi pi-check" (click)="exportSVG.export();" label="Yes"></button>
+    <button type="button" pButton icon="pi pi-check" (click)="exportSVG.export()" label="Yes"></button>
     <button type="button" pButton icon="pi pi-close" (click)="onMenuClosed()" label="No" class="ui-button-secondary"></button>
   </p-footer>
 </p-dialog>
diff --git a/src/app/component/infra/detail/host.component.ts b/src/app/component/infra/detail/host.component.ts
index 1abe82e..f59a1c9 100644
--- a/src/app/component/infra/detail/host.component.ts
+++ b/src/app/component/infra/detail/host.component.ts
@@ -91,7 +91,7 @@ export class HostComponent implements OnChanges {
         map((pingResult: PingResult) => {
           if (pingResult) {
             this.pingResult = pingResult;
-            this.pingResultRaw = pingResult.raw.join('\r\n');
+            this.pingResultRaw = pingResult.raw.join('\n');
           }
           this.pingWaiting = false;
         }),
diff --git a/src/app/component/menu/export-jpeg.component.ts b/src/app/component/menu/export-jpeg.component.ts
index 19d633d..9b42c21 100644
--- a/src/app/component/menu/export-jpeg.component.ts
+++ b/src/app/component/menu/export-jpeg.component.ts
@@ -1,4 +1,4 @@
-import { Component, OnInit, AfterContentInit, OnDestroy, } from '@angular/core';
+import { Component, OnInit, AfterContentInit, OnDestroy, Output, EventEmitter, } from '@angular/core';
 import { Store, select } from '@ngrx/store';
 import { take } from 'rxjs/operators';
 
@@ -15,6 +15,7 @@ const { saveSvgAsPng, svgAsDataUri } = require('save-svg-as-png');
 })
 export class ExportJPEGComponent implements OnInit, AfterContentInit, OnDestroy {
   msgs: Message[] = [];
+  @Output() close = new EventEmitter();
 
   constructor(
     private store: Store<any>,
@@ -29,7 +30,7 @@ export class ExportJPEGComponent implements OnInit, AfterContentInit, OnDestroy
   }
 
   ngOnDestroy(): void {
-
+    this.msgs = [];
   }
 
   export() {
@@ -54,6 +55,7 @@ export class ExportJPEGComponent implements OnInit, AfterContentInit, OnDestroy
         //   console.log(`uri: ${uri}`);
         // });
         saveSvgAsPng(infraDisplayElementRef.nativeElement, 'diagram.jpeg', { backgroundColor: '#ffffff', encoderType: 'image/jpeg' });
+        this.close.emit();
       }),
     ).subscribe();
   }
diff --git a/src/app/component/menu/export-png.component.ts b/src/app/component/menu/export-png.component.ts
index 81cb3cc..3e5d615 100644
--- a/src/app/component/menu/export-png.component.ts
+++ b/src/app/component/menu/export-png.component.ts
@@ -1,4 +1,4 @@
-import { Component, OnInit, AfterContentInit, OnDestroy, } from '@angular/core';
+import { Component, OnInit, AfterContentInit, OnDestroy, Output, EventEmitter, } from '@angular/core';
 import { Store, select } from '@ngrx/store';
 import { take } from 'rxjs/operators';
 
@@ -15,6 +15,7 @@ const { saveSvgAsPng, svgAsDataUri } = require('save-svg-as-png');
 })
 export class ExportPNGComponent implements OnInit, AfterContentInit, OnDestroy {
   msgs: Message[] = [];
+  @Output() close = new EventEmitter();
 
   constructor(
     private store: Store<any>,
@@ -54,6 +55,7 @@ export class ExportPNGComponent implements OnInit, AfterContentInit, OnDestroy {
         //   console.log(`uri: ${uri}`);
         // });
         saveSvgAsPng(infraDisplayElementRef.nativeElement, 'diagram.png', { backgroundColor: '#ffffff' });
+        this.close.emit();
       }),
     ).subscribe();
   }
diff --git a/src/app/component/menu/export-svg.component.ts b/src/app/component/menu/export-svg.component.ts
index 90a6888..2912232 100644
--- a/src/app/component/menu/export-svg.component.ts
+++ b/src/app/component/menu/export-svg.component.ts
@@ -1,4 +1,4 @@
-import { Component, OnInit, AfterContentInit, OnDestroy, } from '@angular/core';
+import { Component, OnInit, AfterContentInit, OnDestroy, Output, EventEmitter, } from '@angular/core';
 import { Store, select } from '@ngrx/store';
 import { take } from 'rxjs/operators';
 
@@ -15,6 +15,7 @@ const { saveSvgAsPng, svgAsDataUri, download } = require('save-svg-as-png');
 })
 export class ExportSVGComponent implements OnInit, AfterContentInit, OnDestroy {
   msgs: Message[] = [];
+  @Output() close = new EventEmitter();
 
   constructor(
     private store: Store<any>,
@@ -53,6 +54,9 @@ export class ExportSVGComponent implements OnInit, AfterContentInit, OnDestroy {
         svgAsDataUri(infraDisplayElementRef.nativeElement, { backgroundColor: '#ffffff' }, function (uri) {
           download('diagram.svg', uri);
         });
+
+        this.close.emit();
+
       }),
     ).subscribe();
   }