diff --git a/src/app/elements/asset-tree/asset-tree.component.scss b/src/app/elements/asset-tree/asset-tree.component.scss
index 28b18ee4..e9e2442f 100644
--- a/src/app/elements/asset-tree/asset-tree.component.scss
+++ b/src/app/elements/asset-tree/asset-tree.component.scss
@@ -184,6 +184,10 @@ tr:hover {
   color: rgb(204, 204, 204);
   width: 20px;
   line-height: 30px;
+  &.fa-square-o {
+    font-weight: bold;
+    padding: 0 0 0 6px;
+  }
 }
 
 .tree-banner-icon:hover {
diff --git a/src/app/elements/connect/connect-dialog/connect-method/connect-method.component.ts b/src/app/elements/connect/connect-dialog/connect-method/connect-method.component.ts
index c32e8c35..88edd681 100644
--- a/src/app/elements/connect/connect-dialog/connect-method/connect-method.component.ts
+++ b/src/app/elements/connect/connect-dialog/connect-method/connect-method.component.ts
@@ -99,7 +99,7 @@ export class ElementConnectMethodComponent implements OnInit {
     if (this.account && !this.account.has_secret) {
       const aliases = ['@USER', '@INPUT'];
       // 同名账号、手动输入可以下载RDP文件
-      if (!aliases.includes(this.account.alias) || (!this.manualAuthInfo.secret || !this.manualAuthInfo.username)) {
+      if (!aliases.includes(this.account.alias) || (!this.manualAuthInfo.username)) {
         return false;
       }
     }
diff --git a/src/app/elements/content/content.component.ts b/src/app/elements/content/content.component.ts
index fa4cc0dd..40dde9b9 100644
--- a/src/app/elements/content/content.component.ts
+++ b/src/app/elements/content/content.component.ts
@@ -93,32 +93,13 @@ export class ElementContentComponent implements OnInit, OnDestroy {
   handleKeyDownTabChange() {
     this.keyboardSubscription = fromEvent(window, 'keydown').subscribe((event: any) => {
       if (event.altKey && (event.key === 'ArrowRight' || event.key === 'ArrowLeft') && this.viewList.length > 1) {
-        window.onblur = () => {
-          setTimeout(() => window.focus(), 100);
-        };
-        let nextViewId: any = 0;
-        let nextActiveView = null;
-        const viewIds = this.viewSrv.viewIds;
-        const currentViewIndex = viewIds.findIndex(i => i === this.viewSrv.currentView.id);
+        let key = '';
         if (event.key === 'ArrowRight') {
-          if (currentViewIndex === viewIds.length - 1 && currentViewIndex !== 0) {
-            nextActiveView = this.viewList.find(i => i.id === viewIds[0]);
-          } else {
-            nextViewId = viewIds[currentViewIndex + 1];
-            nextActiveView = this.viewList.find(i => i.id === nextViewId);
-          }
-        }
-        if (event.key === 'ArrowLeft') {
-          if (currentViewIndex === 0) {
-            nextActiveView = this.viewList.find(i => i.id === viewIds[viewIds.length - 1]);
-          } else {
-            nextViewId = viewIds[currentViewIndex - 1];
-            nextActiveView = this.viewList.find(i => i.id === nextViewId);
-          }
-        }
-        if (nextActiveView) {
-          this.setViewActive(nextActiveView);
+          key = 'alt+right';
+        } else if (event.key === 'ArrowLeft') {
+          key = 'alt+left';
         }
+        this.viewSrv.keyboardSwitchTab(key);
       }
     });
   }
@@ -198,7 +179,6 @@ export class ElementContentComponent implements OnInit, OnDestroy {
       if (list[i].protocol !== 'ssh' || list[i].connected !== true) {
         continue;
       }
-      list[i].termComp.sendCommand({'data': cmd});
       const subViews = list[i].subViews;
       if (subViews.length > 1) {
         for (let j = 0; j < subViews.length; j++) {
@@ -207,6 +187,8 @@ export class ElementContentComponent implements OnInit, OnDestroy {
           }
           subViews[j].termComp.sendCommand({'data': cmd});
         }
+      } else {
+        list[i].termComp.sendCommand({'data': cmd});
       }
     }
 
@@ -239,7 +221,9 @@ export class ElementContentComponent implements OnInit, OnDestroy {
         title: 'Reconnect',
         icon: 'fa-refresh',
         callback: () => {
-          this.viewList[this.rIdx].termComp.reconnect();
+          const viewId = this.viewIds[this.rIdx];
+          const currentView = this.viewList.find(i => i.id === viewId);
+          currentView.termComp.reconnect();
         }
       },
       {
@@ -258,7 +242,9 @@ export class ElementContentComponent implements OnInit, OnDestroy {
         title: 'Close Current Tab',
         icon: 'fa-close',
         callback: () => {
-          this.closeView(this.viewList[this.rIdx]);
+          const viewId = this.viewIds[this.rIdx];
+          const currentView = this.viewList.find(i => i.id === viewId);
+          this.closeView(currentView);
         }
       },
       {
diff --git a/src/app/elements/iframe/iframe.component.ts b/src/app/elements/iframe/iframe.component.ts
index 35d2d5dd..4a1d0e56 100644
--- a/src/app/elements/iframe/iframe.component.ts
+++ b/src/app/elements/iframe/iframe.component.ts
@@ -1,9 +1,8 @@
 import {AfterViewInit, Component, ElementRef, EventEmitter, Input, OnDestroy, OnInit, Output, ViewChild} from '@angular/core';
 import {View} from '@app/model';
-import {ConnectTokenService, HttpService, I18nService, LogService} from '@app/services';
+import {ConnectTokenService, HttpService, I18nService, LogService, ViewService} from '@app/services';
 import {MatDialog} from '@angular/material';
 import {environment} from '@src/environments/environment';
-
 @Component({
   selector: 'elements-iframe',
   templateUrl: './iframe.component.html',
@@ -28,6 +27,7 @@ export class ElementIframeComponent implements OnInit, AfterViewInit, OnDestroy
     private _connectTokenSvc: ConnectTokenService,
     private _http: HttpService,
     private _dialog: MatDialog,
+    public viewSrv: ViewService,
   ) {
   }
 
@@ -63,6 +63,12 @@ export class ElementIframeComponent implements OnInit, AfterViewInit, OnDestroy
         case 'CLICK':
           document.body.click();
           break;
+        case 'KEYEVENT':
+          window.focus();
+          setTimeout(() => {
+            this.viewSrv.keyboardSwitchTab(msg.data);
+          }, 200);
+          break;
       }
     }.bind(this);
   }
diff --git a/src/app/pages/main/main.component.ts b/src/app/pages/main/main.component.ts
index 4b3d1d9c..42e999dc 100644
--- a/src/app/pages/main/main.component.ts
+++ b/src/app/pages/main/main.component.ts
@@ -1,5 +1,5 @@
 import {Component, ElementRef, HostListener, OnInit, ViewChild} from '@angular/core';
-import {DataStore, User} from '@app/globals';
+import {DataStore, DEFAULT_ORG_ID, SYSTEM_ORG_ID, User} from '@app/globals';
 import {IOutputData, SplitComponent} from 'angular-split';
 import {LogService, SettingService, ViewService} from '@app/services';
 import * as _ from 'lodash';
@@ -19,6 +19,7 @@ export class PageMainComponent implements OnInit {
   showIframeHider = false;
   showSubMenu: any = false;
   menus: Array<object>;
+  isDirectNavigation: boolean;
   settingLayoutSize = {
     leftWidth: 20,
     rightWidth: 80
@@ -87,6 +88,9 @@ export class PageMainComponent implements OnInit {
 
   ngOnInit(): void {
     console.log('main init');
+    this._settingSvc.isDirectNavigation$.subscribe((state) => {
+      this.isDirectNavigation = state;
+    });
     this.menus = [
       {
         name: 'assets',
@@ -140,9 +144,10 @@ export class PageMainComponent implements OnInit {
 
   @HostListener('window:beforeunload', ['$event'])
   unloadNotification($event: any) {
-    if (!environment.production) {
+    if (!environment.production || this.isDirectNavigation) {
       return;
     }
+
     const notInIframe = window.self === window.top;
     const notInReplay = location.pathname.indexOf('/luna/replay') === -1;
     const returnValue = !(notInIframe && notInReplay);
diff --git a/src/app/services/app.ts b/src/app/services/app.ts
index 8ba87f31..350da412 100644
--- a/src/app/services/app.ts
+++ b/src/app/services/app.ts
@@ -11,6 +11,7 @@ import * as CryptoJS from 'crypto-js';
 import {getCookie, setCookie} from '@app/utils/common';
 import {OrganizationService} from './organization';
 import {I18nService} from '@app/services/i18n';
+import {config} from 'rxjs';
 
 declare function unescape(s: string): string;
 
@@ -103,6 +104,14 @@ export class AppService {
     }, second * 1000);
   }
 
+  isRenewalExpired(currentTimeStamp, sessionExpireTimestamp, renewalTime: number = 60 * 2) {
+    if (!sessionExpireTimestamp) {
+      return false;
+    }
+    const timeDifferenceInSeconds = currentTimeStamp - parseInt(sessionExpireTimestamp, 10);
+    return timeDifferenceInSeconds > renewalTime;
+  }
+
   checkLogin() {
     this._logger.debug('Check user auth');
     if (!DataStore.Path) {
@@ -122,13 +131,27 @@ export class AppService {
     const token = this.getQueryString('token');
     // Determine whether the user has logged in
     const sessionExpire = getCookie('jms_session_expire');
+    const renewalTime = 120;
     if (!sessionExpire && !token) {
-      setCookie('jms_session_expire', 'close', 120);
+      setCookie('jms_session_expire', 'close', renewalTime);
       gotoLogin();
       return;
     } else if (sessionExpire === 'close') {
-      setInterval(() => {
-        setCookie('jms_session_expire', sessionExpire, 120);
+      const intervalId = setInterval(() => {
+        const currentTimeStamp = Math.floor(new Date().getTime() / 1000);
+        const sessionExpireTimestamp = getCookie('jms_session_expire_timestamp');
+        if (!this.isRenewalExpired(currentTimeStamp, sessionExpireTimestamp, renewalTime)) {
+          setCookie('jms_session_expire', sessionExpire, renewalTime);
+        }
+        if (currentTimeStamp >= parseInt(sessionExpireTimestamp, 10)) {
+          confirm(this._i18n.instant('LoginExpireMsg'));
+          if (!this.newLoginHasOpen) {
+            this._settingSvc.isDirectNavigation$.next(true);
+            window.location.href = document.location.origin + '/core/auth/logout/';
+            this.newLoginHasOpen = true;
+          }
+          clearInterval(intervalId);
+        }
       }, 10 * 1000);
     }
 
diff --git a/src/app/services/setting.ts b/src/app/services/setting.ts
index 461df6de..de89cda0 100644
--- a/src/app/services/setting.ts
+++ b/src/app/services/setting.ts
@@ -15,6 +15,7 @@ export class SettingService {
   public isLoadTreeAsync$ = new BehaviorSubject<boolean>(true);
   public appletConnectMethod$ = new BehaviorSubject<string>('');
   public keyboardLayout$ = new BehaviorSubject<string>('');
+  public isDirectNavigation$ = new BehaviorSubject<boolean>(false);
 
 
   constructor(
diff --git a/src/app/services/view.ts b/src/app/services/view.ts
index 92491efb..fe2e8bac 100644
--- a/src/app/services/view.ts
+++ b/src/app/services/view.ts
@@ -1,7 +1,6 @@
 import {Injectable} from '@angular/core';
 import {View} from '@app/model';
 
-
 @Injectable()
 export class ViewService {
   viewList: Array<View> = [];
@@ -72,4 +71,30 @@ export class ViewService {
         break;
     }
   }
+
+  keyboardSwitchTab(key) {
+    let nextViewId: any = 0;
+    let nextActiveView = null;
+    const viewIds = this.viewIds;
+    const currentViewIndex = viewIds.findIndex(i => i === this.currentView.id);
+    if (key === 'alt+right') {
+      if (currentViewIndex === viewIds.length - 1 && currentViewIndex !== 0) {
+        nextActiveView = this.viewList.find(i => i.id === viewIds[0]);
+      } else {
+        nextViewId = viewIds[currentViewIndex + 1];
+        nextActiveView = this.viewList.find(i => i.id === nextViewId);
+      }
+    }
+    if (key === 'alt+left') {
+      if (currentViewIndex === 0) {
+        nextActiveView = this.viewList.find(i => i.id === viewIds[viewIds.length - 1]);
+      } else {
+        nextViewId = viewIds[currentViewIndex - 1];
+        nextActiveView = this.viewList.find(i => i.id === nextViewId);
+      }
+    }
+    if (nextActiveView) {
+      this.activeView(nextActiveView);
+    }
+  }
 }