diff --git a/package.json b/package.json
index 026b43a5..2c2fb1cc 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "jquery-slimscroll": "^1.3.8",
     "jquery-sparkline": "^2.4.0",
     "jvectormap": "1.2.2",
-    "lodash": "^4.17.15",
+    "lodash": "^4.17.21",
     "material-design-icons": "^3.0.1",
     "materialize-css": "^0.100.2",
     "ng2-charts": "^1.5.0",
diff --git a/src/app/elements/iframe/iframe.component.ts b/src/app/elements/iframe/iframe.component.ts
index 4c25cb42..2b899917 100644
--- a/src/app/elements/iframe/iframe.component.ts
+++ b/src/app/elements/iframe/iframe.component.ts
@@ -45,6 +45,9 @@ export class ElementIframeComponent implements OnInit, AfterViewInit, OnDestroy
         case 'CLOSE':
           this.view.connected = false;
           break;
+        case 'CONNECTED':
+          this.view.connected = true;
+          break;
         case 'CLICK':
           document.body.click();
           break;
@@ -86,6 +89,12 @@ export class ElementIframeComponent implements OnInit, AfterViewInit, OnDestroy
   }
 
   reconnect() {
+    // @ts-ignore
+    if (typeof (this.iframeWindow.Reconnect) === 'function') {
+      // @ts-ignore
+      this.iframeWindow.Reconnect();
+      return;
+    }
     const url = this.src;
     this.src = 'about:blank';
     setTimeout(() => {
diff --git a/src/app/elements/nav/nav.component.html b/src/app/elements/nav/nav.component.html
index e35ad0d2..85cb7141 100644
--- a/src/app/elements/nav/nav.component.html
+++ b/src/app/elements/nav/nav.component.html
@@ -1,7 +1,9 @@
 <div class="nav">
   <ul class="nav-main">
     <li style="padding-right: 10px">
-      <a><img src="" id="left-logo" height="26px"/></a>
+      <a style="display: inline-block; padding-top: 1px;">
+        <img src="" id="left-logo" height="26px" (click)="onJumpUi()" />
+      </a>
     </li>
     <li *ngFor="let v of navs" [ngClass]="{'dropdown': v.children}" >
       <a>{{v.name|translate}}</a>
diff --git a/src/app/elements/nav/nav.component.ts b/src/app/elements/nav/nav.component.ts
index d4e5116e..c4ab4330 100644
--- a/src/app/elements/nav/nav.component.ts
+++ b/src/app/elements/nav/nav.component.ts
@@ -175,6 +175,10 @@ export class ElementNavComponent implements OnInit {
       },
     ];
   }
+
+  onJumpUi() {
+    window.open('/ui/', '_blank');
+  }
 }
 
 
diff --git a/src/app/pages/app.component.ts b/src/app/pages/app.component.ts
index 5c4d6f45..0375bd6c 100644
--- a/src/app/pages/app.component.ts
+++ b/src/app/pages/app.component.ts
@@ -1,5 +1,5 @@
-import {Component} from '@angular/core';
-import {I18nService} from '@app/services';
+import {Component, HostListener} from '@angular/core';
+import {I18nService, ViewService} from '@app/services';
 
 @Component({
   selector: 'app-root',
@@ -8,7 +8,18 @@ import {I18nService} from '@app/services';
 })
 
 export class AppComponent {
-  constructor(_i18n: I18nService) {
+  constructor(_i18n: I18nService,
+    public viewSrv: ViewService
+  ) {}
+  @HostListener('window:keydown', ['$event'])
+  onKeyPress($event: KeyboardEvent) {
+    const condition = this.viewSrv.viewList.length > 1 && $event.shiftKey;
+      if (condition && $event.keyCode === 37) {
+        this.viewSrv.switchView('left');
+      }
+      if (condition && $event.keyCode === 39) {
+        this.viewSrv.switchView('right');
+      }
   }
 }
 
diff --git a/src/app/pages/monitor/monitor.component.scss b/src/app/pages/monitor/monitor.component.scss
index e0664f91..a9d3038e 100644
--- a/src/app/pages/monitor/monitor.component.scss
+++ b/src/app/pages/monitor/monitor.component.scss
@@ -22,6 +22,10 @@
   display: inline-block;
 }
 
+.nav li > p {
+  margin-bottom: -8px;
+}
+
 li p {
   color: #f0f0f1;
   font-family: Roboto,sans-serif;
@@ -30,6 +34,7 @@ li p {
   text-decoration: none;
   padding: 2px 15px;
   height: 30px;
+  margin: 0;
 }
 
 iframe {
diff --git a/src/app/services/view.ts b/src/app/services/view.ts
index 1939e48e..f95a13a0 100644
--- a/src/app/services/view.ts
+++ b/src/app/services/view.ts
@@ -40,4 +40,24 @@ export class ViewService {
     const index = this.viewList.indexOf(view);
     this.viewList.splice(index, 1);
   }
+
+  switchView(direction: ('left' | 'right')) {
+    const viewList = this.viewList;
+    const viewListLength = viewList.length;
+    for (let i = 0; i < viewListLength; i++) {
+      const current: View = viewList[i];
+      if (current.id === this.currentView.id) {
+        let nextView: View, nextViewLength: number;
+        const next: number = direction === 'left' ? i - 1 : i + 1;
+        if (direction === 'left') {
+          nextViewLength = next < 0 ? viewListLength - 1 : next;
+        } else {
+          nextViewLength = next >= viewListLength ? 0 : next;
+        }
+        nextView = viewList[nextViewLength];
+        if (nextView) { this.activeView(nextView); }
+        break;
+      }
+    }
+  }
 }
diff --git a/yarn.lock b/yarn.lock
index 7b5a8b3e..e149b893 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1431,6 +1431,13 @@
   resolved "https://registry.npmmirror.com/@yarnpkg/lockfile/-/lockfile-1.1.0.tgz#e77a97fbd345b76d83245edcd17d393b1b41fb31"
   integrity sha512-GpSwvyXOcOOlV70vbnzjj4fW5xW/FdUF6nQEt1ENy7m4ZCczi1+/buVUPAqmGfqznsORNFzUMjctTIp8a9tuCQ==
 
+"@ztree/ztree_v3@^3.5.48":
+  version "3.5.48"
+  resolved "https://registry.npmmirror.com/@ztree/ztree_v3/-/ztree_v3-3.5.48.tgz#ceb020e362f9c97c24a49d46d4b0cb91a57379ba"
+  integrity sha512-4dSA1g26T3j/O3I89+r/Palg+a+xwMGRS1etZoggnCGBPoOrwW8VGA3zitJCK/Yd7eEMX+LfKTRJjEGiWpoN3w==
+  dependencies:
+    jquery ">=1.4.4"
+
 JSONStream@^1.3.4:
   version "1.3.5"
   resolved "https://registry.npmmirror.com/JSONStream/-/JSONStream-1.3.5.tgz#3208c1f08d3a4d99261ab64f92302bc15e111ca0"
@@ -1511,7 +1518,7 @@ ajv@6.12.3:
     json-schema-traverse "^0.4.1"
     uri-js "^4.2.2"
 
-ajv@^6.1.0, ajv@^6.10.2, ajv@^6.12.3, ajv@^6.12.4, ajv@^6.5.0:
+ajv@^6.1.0, ajv@^6.10.2, ajv@^6.12.3, ajv@^6.12.4:
   version "6.12.6"
   resolved "https://registry.npmmirror.com/ajv/-/ajv-6.12.6.tgz#baf5a62e802b07d977034586f8c3baf5adf26df4"
   integrity sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==
@@ -1950,11 +1957,6 @@ bonjour@^3.5.0:
     multicast-dns "^6.0.1"
     multicast-dns-service-types "^1.1.0"
 
-bootstrap@^4.3.1:
-  version "4.6.1"
-  resolved "https://registry.npmmirror.com/bootstrap/-/bootstrap-4.6.1.tgz#bc25380c2c14192374e8dec07cf01b2742d222a2"
-  integrity sha512-0dj+VgI9Ecom+rvvpNZ4MUZJz8dcX7WCX+eTID9+/8HgOkv3dsRzi8BGeZJCQU6flWQVYxwTQnEZFrmJSEO7og==
-
 boxen@^5.0.1:
   version "5.1.2"
   resolved "https://registry.npmmirror.com/boxen/-/boxen-5.1.2.tgz#788cb686fc83c1f486dfa8a40c68fc2b831d2b50"
@@ -4938,7 +4940,7 @@ jest-worker@^26.0.0:
     merge-stream "^2.0.0"
     supports-color "^7.0.0"
 
-jquery@^3.4.1:
+jquery@>=1.4.4, jquery@^3.4.1:
   version "3.6.0"
   resolved "https://registry.npmmirror.com/jquery/-/jquery-3.6.0.tgz#c72a09f15c1bdce142f49dbf1170bdf8adac2470"
   integrity sha512-JVzAR/AjBvVt2BmYhxRCSYysDsPcssdmTFnzyLEts9qNwmjmu4JTAMYubEfwVOSwpQ1I1sKKFcxhZCI2buerfw==
@@ -5751,10 +5753,12 @@ ngx-clipboard@^12.2.1:
     ngx-window-token "^2.0.0"
     tslib "^1.9.0"
 
-ngx-cookie-service@^2.3.0:
-  version "2.4.0"
-  resolved "https://registry.npmmirror.com/ngx-cookie-service/-/ngx-cookie-service-2.4.0.tgz#293de6d393220f8fe5712a4c9f724042404e6971"
-  integrity sha512-uR/6mCQ1t+XY5G1/irqRhoEddx1PPtmz7JHM/2nn5yQmicnj+n48x8C2PMxwaYDHKRh7QPQ9G5scR36Mmdz09A==
+ngx-cookie-service@^12.0.3:
+  version "12.0.3"
+  resolved "https://registry.npmmirror.com/ngx-cookie-service/-/ngx-cookie-service-12.0.3.tgz#eb2fc73b40dcc5ef8282eb78e82986afc299537f"
+  integrity sha512-F5xJBTrrreI2DERGOrO6U+L7s031HxTER+3Z4gDCwxdTl4AXmtWddMxxQVw7KflOLZ4InYEs6FjQsXmKU4HsJg==
+  dependencies:
+    tslib "^2.0.0"
 
 ngx-infinite-scroll@^10.0.1:
   version "10.0.1"
@@ -8158,6 +8162,11 @@ tslib@^1.7.1, tslib@^1.8.0, tslib@^1.8.1, tslib@^1.9.0:
   resolved "https://registry.npmmirror.com/tslib/-/tslib-1.14.1.tgz#cf2d38bdc34a134bcaf1091c41f6619e2f672d00"
   integrity sha512-Xni35NKzjgMrwevysHTCArtLDpPvye8zV/0E4EyYn43P7/7qvQwPh9BGkHewbMulVntbigmcT7rdX3BNo9wRJg==
 
+tslib@^2.0.0, tslib@^2.4.0:
+  version "2.4.0"
+  resolved "https://registry.npmmirror.com/tslib/-/tslib-2.4.0.tgz#7cecaa7f073ce680a05847aa77be941098f36dc3"
+  integrity sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ==
+
 tslint@~5.11.0:
   version "5.11.0"
   resolved "https://registry.npmmirror.com/tslint/-/tslint-5.11.0.tgz#98f30c02eae3cde7006201e4c33cb08b48581eed"