diff --git a/electron-projects/ucap-webmessenger-electron/src/index.ts b/electron-projects/ucap-webmessenger-electron/src/index.ts
index 2734a605..758ab763 100644
--- a/electron-projects/ucap-webmessenger-electron/src/index.ts
+++ b/electron-projects/ucap-webmessenger-electron/src/index.ts
@@ -14,6 +14,8 @@ import fse from 'fs-extra';
 import semver from 'semver';
 import os from 'os';
 import ChildProcess from 'child_process';
+import * as url from 'url';
+import * as tmp from 'tmp';
 
 import AutoLaunch from 'auto-launch';
 
@@ -31,7 +33,8 @@ import {
   MessengerChannel,
   MessageChannel,
   AppChannel,
-  ClipboardChannel
+  ClipboardChannel,
+  ExternalChannel
 } from '@ucap-webmessenger/native-electron';
 import { ElectronNotificationService } from '@ucap-webmessenger/electron-notification';
 import { ElectronUpdateWindowService } from '@ucap-webmessenger/electron-update-window';
@@ -92,6 +95,8 @@ let preventQuit = false;
 let notificationService: ElectronNotificationService | null;
 let updateWindowService: ElectronUpdateWindowService | null;
 
+tmp.setGracefulCleanup();
+
 function handleUncaughtException(error: Error) {
   preventQuit = true;
 
@@ -773,6 +778,40 @@ ipcMain.on(AppChannel.Exit, (event: IpcMainEvent, ...args: any[]) => {
   appExit();
 });
 
+ipcMain.on(ExternalChannel.OpenUrl, (event: IpcMainEvent, ...args: any[]) => {
+  const targetUrl = args[0];
+  const options = JSON.stringify(args[1] || {});
+
+  tmp.file({ postfix: '.html' }, (err, name, fd, cb) => {
+    fse.writeFileSync(
+      name,
+      `
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>DS Talk Link</title>
+    <meta charset="UTF-8" />
+    <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
+    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
+    <script type="text/javascript">
+      function onClick() {
+        const url = '${targetUrl}';
+        const options = ${options} || {};
+
+        window.open(url, !!options.name ? options.name : 'dstalklink', options.features, options.replace);
+        window.close();
+      }
+    </script>
+  </head>
+  <body><button onclick="onClick()">링크열기<button></body>
+</html>
+    `
+    );
+
+    shell.openExternal(name);
+  });
+});
+
 autoUpdater.on('checking-for-update', () => {
   log.info('Checking for update...');
 });
diff --git a/package-lock.json b/package-lock.json
index ef621c0c..d1bd62ae 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "ucap-webmessenger",
-  "version": "0.0.17",
+  "version": "0.0.19",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -3494,6 +3494,12 @@
       "integrity": "sha512-78AdXtlhpCHT0K3EytMpn4JNxaf5tbqbLcbIRoQIHzpTIyjpxLQKRoxU55ujBXAtg3Nl2h/XWvfDa9dsMOd0pQ==",
       "dev": true
     },
+    "@types/tmp": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/@types/tmp/-/tmp-0.1.0.tgz",
+      "integrity": "sha512-6IwZ9HzWbCq6XoQWhxLpDjuADodH/MKXRUIDFudvgjcVdjFknvmR+DNsoUeer4XPrEnrZs04Jj+kfV9pFsrhmA==",
+      "dev": true
+    },
     "@types/tween.js": {
       "version": "17.2.0",
       "resolved": "https://registry.npmjs.org/@types/tween.js/-/tween.js-17.2.0.tgz",
@@ -7615,6 +7621,17 @@
         "chardet": "^0.7.0",
         "iconv-lite": "^0.4.24",
         "tmp": "^0.0.33"
+      },
+      "dependencies": {
+        "tmp": {
+          "version": "0.0.33",
+          "resolved": "https://registry.npmjs.org/tmp/-/tmp-0.0.33.tgz",
+          "integrity": "sha512-jRCJlojKnZ3addtTOjdIqoRuPEKBvNXcGYqzO6zWZX8KfKEpnGY5jfggJQ3EjKuu8D4bJRr0y+cYJFmYbImXGw==",
+          "dev": true,
+          "requires": {
+            "os-tmpdir": "~1.0.2"
+          }
+        }
       }
     },
     "extglob": {
@@ -10449,6 +10466,15 @@
           "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
           "dev": true
         },
+        "tmp": {
+          "version": "0.0.33",
+          "resolved": "https://registry.npmjs.org/tmp/-/tmp-0.0.33.tgz",
+          "integrity": "sha512-jRCJlojKnZ3addtTOjdIqoRuPEKBvNXcGYqzO6zWZX8KfKEpnGY5jfggJQ3EjKuu8D4bJRr0y+cYJFmYbImXGw==",
+          "dev": true,
+          "requires": {
+            "os-tmpdir": "~1.0.2"
+          }
+        },
         "to-regex-range": {
           "version": "2.1.1",
           "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-2.1.1.tgz",
@@ -15119,12 +15145,23 @@
       }
     },
     "tmp": {
-      "version": "0.0.33",
-      "resolved": "https://registry.npmjs.org/tmp/-/tmp-0.0.33.tgz",
-      "integrity": "sha512-jRCJlojKnZ3addtTOjdIqoRuPEKBvNXcGYqzO6zWZX8KfKEpnGY5jfggJQ3EjKuu8D4bJRr0y+cYJFmYbImXGw==",
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/tmp/-/tmp-0.1.0.tgz",
+      "integrity": "sha512-J7Z2K08jbGcdA1kkQpJSqLF6T0tdQqpR2pnSUXsIchbPdTI9v3e85cLW0d6WDhwuAleOV71j2xWs8qMPfK7nKw==",
       "dev": true,
       "requires": {
-        "os-tmpdir": "~1.0.2"
+        "rimraf": "^2.6.3"
+      },
+      "dependencies": {
+        "rimraf": {
+          "version": "2.7.1",
+          "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.7.1.tgz",
+          "integrity": "sha512-uWjbaKIK3T1OSVptzX7Nl6PvQ3qAGtKEtVRjRuazjfL3Bx5eI409VZSqgND+4UNnmzLVdPj9FqFJNPqBZFve4w==",
+          "dev": true,
+          "requires": {
+            "glob": "^7.1.3"
+          }
+        }
       }
     },
     "to-array": {
@@ -15694,6 +15731,15 @@
             "yallist": "^2.1.2"
           }
         },
+        "tmp": {
+          "version": "0.0.33",
+          "resolved": "https://registry.npmjs.org/tmp/-/tmp-0.0.33.tgz",
+          "integrity": "sha512-jRCJlojKnZ3addtTOjdIqoRuPEKBvNXcGYqzO6zWZX8KfKEpnGY5jfggJQ3EjKuu8D4bJRr0y+cYJFmYbImXGw==",
+          "dev": true,
+          "requires": {
+            "os-tmpdir": "~1.0.2"
+          }
+        },
         "yallist": {
           "version": "2.1.2",
           "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
diff --git a/package.json b/package.json
index 1ae32ab1..a1abc236 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ucap-webmessenger",
-  "version": "0.0.19",
+  "version": "0.0.20",
   "author": {
     "name": "LG CNS",
     "email": "lgucap@lgcns.com"
@@ -95,6 +95,7 @@
     "@types/moment-timezone": "^0.5.12",
     "@types/node": "^10.17.13",
     "@types/semver": "^6.2.0",
+    "@types/tmp": "^0.1.0",
     "@types/uglifyjs-webpack-plugin": "^1.1.0",
     "@types/webpack": "^4.41.2",
     "@types/webpack-merge": "^4.1.5",
@@ -142,6 +143,7 @@
     "protractor": "~5.4.0",
     "queueing-subject": "^0.3.4",
     "rimraf": "^3.0.0",
+    "tmp": "^0.1.0",
     "ts-node": "~7.0.0",
     "tsickle": "^0.37.1",
     "tslib": "^1.10.0",
diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/notice/notice-detail.dialog.component.html b/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/notice/notice-detail.dialog.component.html
index 73ea8e4e..8fd03370 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/notice/notice-detail.dialog.component.html
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/notice/notice-detail.dialog.component.html
@@ -20,7 +20,10 @@
       {{ data.notice.regDate }}
     </div>
     <perfect-scrollbar>
-      <p [innerHTML]="data.notice.content | linky" class="contnets"></p>
+      <p
+        [innerHTML]="data.notice.content | linefeedtohtml | linky"
+        class="contnets"
+      ></p>
     </perfect-scrollbar>
   </mat-card-content>
   <mat-card-actions class="button-farm flex-row">
diff --git a/projects/ucap-webmessenger-app/src/app/layouts/native/components/top-bar.component.ts b/projects/ucap-webmessenger-app/src/app/layouts/native/components/top-bar.component.ts
index ad591d6b..259f7340 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/native/components/top-bar.component.ts
+++ b/projects/ucap-webmessenger-app/src/app/layouts/native/components/top-bar.component.ts
@@ -411,7 +411,10 @@ export class TopBarComponent implements OnInit, OnDestroy {
       .replace(/(\(%USER_ID%\))/g, loginId)
       .replace(/(\(%USER_PASS%\))/g, loginPw);
 
-    this.nativeService.openDefaultBrowser(url);
+    this.nativeService.openDefaultBrowser(url, {
+      features:
+        'menubar=no,location=no,resizable=yes,scrollbars=yes,status=no,width=400,height=400'
+    });
   }
 
   onClosedProfileMenu() {
diff --git a/projects/ucap-webmessenger-native-browser/src/lib/services/browser-native.service.ts b/projects/ucap-webmessenger-native-browser/src/lib/services/browser-native.service.ts
index 0bf8371d..cb833db0 100644
--- a/projects/ucap-webmessenger-native-browser/src/lib/services/browser-native.service.ts
+++ b/projects/ucap-webmessenger-native-browser/src/lib/services/browser-native.service.ts
@@ -277,7 +277,10 @@ export class BrowserNativeService extends NativeService {
     return new TranslateLoaderService(this, prefix, suffix);
   }
 
-  openDefaultBrowser(url: string): void {
+  openDefaultBrowser(
+    url: string,
+    options?: { name?: string; features?: string; replace?: boolean }
+  ): void {
     open(url);
   }
 
diff --git a/projects/ucap-webmessenger-native-electron/src/lib/services/electron-native.service.ts b/projects/ucap-webmessenger-native-electron/src/lib/services/electron-native.service.ts
index 90aa84fc..1895b446 100644
--- a/projects/ucap-webmessenger-native-electron/src/lib/services/electron-native.service.ts
+++ b/projects/ucap-webmessenger-native-electron/src/lib/services/electron-native.service.ts
@@ -24,7 +24,8 @@ import {
   MessageChannel,
   ProcessChannel,
   AppChannel,
-  ClipboardChannel
+  ClipboardChannel,
+  ExternalChannel
 } from '../types/channel.type';
 import { Injectable } from '@angular/core';
 import { TranslateLoaderService } from '../translate/electron-loader';
@@ -467,8 +468,12 @@ export class ElectronNativeService implements NativeService {
     return new TranslateLoaderService(this, prefix, suffix);
   }
 
-  openDefaultBrowser(url: string): void {
-    this.shell.openExternal(url);
+  openDefaultBrowser(
+    url: string,
+    options?: { name?: string; features?: string; replace?: boolean }
+  ): void {
+    // shell.openExternal(url);
+    this.ipcRenderer.send(ExternalChannel.OpenUrl, url, options);
   }
 
   readFromClipboard(): Promise<{
diff --git a/projects/ucap-webmessenger-native-electron/src/lib/types/channel.type.ts b/projects/ucap-webmessenger-native-electron/src/lib/types/channel.type.ts
index 1348c92a..a944bf11 100644
--- a/projects/ucap-webmessenger-native-electron/src/lib/types/channel.type.ts
+++ b/projects/ucap-webmessenger-native-electron/src/lib/types/channel.type.ts
@@ -62,3 +62,7 @@ export enum ClipboardChannel {
 export enum AppChannel {
   Exit = 'UCAP::app::exit'
 }
+
+export enum ExternalChannel {
+  OpenUrl = 'UCAP::external::openUrl'
+}
diff --git a/projects/ucap-webmessenger-native/src/lib/services/native.service.ts b/projects/ucap-webmessenger-native/src/lib/services/native.service.ts
index 80ec8fde..03f97d15 100644
--- a/projects/ucap-webmessenger-native/src/lib/services/native.service.ts
+++ b/projects/ucap-webmessenger-native/src/lib/services/native.service.ts
@@ -87,7 +87,10 @@ export abstract class NativeService {
     suffix?: string
   ): TranslateLoader;
 
-  abstract openDefaultBrowser(url: string): void;
+  abstract openDefaultBrowser(
+    url: string,
+    options?: { name?: string; features?: string; replace?: boolean }
+  ): void;
 
   abstract readFromClipboard(): Promise<{
     text?: string;
