diff --git a/src/app/pages/app.component.ts b/src/app/pages/app.component.ts
index 0375bd6c..5c4d6f45 100644
--- a/src/app/pages/app.component.ts
+++ b/src/app/pages/app.component.ts
@@ -1,5 +1,5 @@
-import {Component, HostListener} from '@angular/core';
-import {I18nService, ViewService} from '@app/services';
+import {Component} from '@angular/core';
+import {I18nService} from '@app/services';
 
 @Component({
   selector: 'app-root',
@@ -8,18 +8,7 @@ import {I18nService, ViewService} from '@app/services';
 })
 
 export class AppComponent {
-  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');
-      }
+  constructor(_i18n: I18nService) {
   }
 }
 
diff --git a/src/app/services/view.ts b/src/app/services/view.ts
index f95a13a0..1939e48e 100644
--- a/src/app/services/view.ts
+++ b/src/app/services/view.ts
@@ -40,24 +40,4 @@ 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/src/app/utils/crypto.ts b/src/app/utils/crypto.ts
index 2e3e8210..faab611a 100644
--- a/src/app/utils/crypto.ts
+++ b/src/app/utils/crypto.ts
@@ -60,7 +60,11 @@ export function encryptPassword(password) {
   }
   const aesKey = (Math.random() + 1).toString(36).substring(2);
   // public key 是 base64 存储的
-  const rsaPublicKeyText = getCookie('jms_public_key')
+  let rsaPublicKeyText = getCookie('jms_public_key');
+  if (!rsaPublicKeyText) {
+    return password;
+  }
+  rsaPublicKeyText = rsaPublicKeyText
     .replace('"', '')
     .replace('"', '');
   const rsaPublicKey = atob(rsaPublicKeyText);