diff --git a/chat/preview/event-bus.ts b/chat/preview/event-bus.ts
index e3bb42e..e214d90 100644
--- a/chat/preview/event-bus.ts
+++ b/chat/preview/event-bus.ts
@@ -1,9 +1,12 @@
 // import Vue from 'vue';
 import _ from 'lodash';
+// import log from 'electron-log'; //tslint:disable-line:match-default-export-name
+
 import { Character } from '../../site/character_page/interfaces';
 import { Message } from '../common';
 import { Conversation } from '../interfaces';
 import ChannelConversation = Conversation.ChannelConversation;
+
 import { NoteCheckerCount } from '../../site/note-checker';
 
 /**
@@ -75,7 +78,11 @@ class EventBusManager {
 
 
     $emit(eventName: string, eventData: EventBusEvent): void {
+        // const d = Date.now();
+
         _.each(this.eventCallbacks[eventName] || [], (cb) => (cb(eventData)));
+
+        // log.silly('event.bus.emit', { eventName, eventData, time: (Date.now() - d) / 1000 });
     }
 
 
diff --git a/learn/cache-manager.ts b/learn/cache-manager.ts
index 0811dfb..ced4e5e 100644
--- a/learn/cache-manager.ts
+++ b/learn/cache-manager.ts
@@ -33,6 +33,9 @@ export interface ProfileCacheQueueEntry {
 
 
 export class CacheManager {
+    // @ts-ignore
+    private _isVue = true;
+
     static readonly PROFILE_QUERY_DELAY = 400; //1 * 1000;
 
     adCache: AdCache = new AdCache();
diff --git a/learn/dictionary/WordDefinition.vue b/learn/dictionary/WordDefinition.vue
index 46c2615..b9d3686 100644
--- a/learn/dictionary/WordDefinition.vue
+++ b/learn/dictionary/WordDefinition.vue
@@ -41,7 +41,7 @@ export default class WordDefinition extends Vue {
   readonly expression?: string;
 
   @Hook('mounted')
-  mounted(): void {
+  async mounted(): Promise<void> {
     const webview = this.getWebview();
 
     const eventProcessor = async (event: EventBusEvent): Promise<void> => {
@@ -52,6 +52,8 @@ export default class WordDefinition extends Vue {
 
     webview.addEventListener('update-target-url', eventProcessor);
     webview.addEventListener('dom-ready', eventProcessor);
+
+    // await remote.webContents.fromId(webview.getWebContentsId()).session.clearStorageData({storages: ['cookies', 'indexdb']});
   }
 
 
diff --git a/learn/store/worker.ts b/learn/store/worker.ts
index 5510dd6..37d5af3 100644
--- a/learn/store/worker.ts
+++ b/learn/store/worker.ts
@@ -6,6 +6,9 @@ import { WorkerClient } from './worker/client';
 
 
 export class WorkerStore implements PermanentIndexedStore {
+    // @ts-ignore
+    private _isVue = true;
+
     protected readonly workerClient: WorkerClient;
 
     constructor(jsEndpointFile: string) {
diff --git a/learn/store/worker/client.ts b/learn/store/worker/client.ts
index 2099881..dd92e56 100644
--- a/learn/store/worker/client.ts
+++ b/learn/store/worker/client.ts
@@ -8,9 +8,14 @@ export interface WaiterDef {
   id: string;
   resolve(result?: any): void;
   reject(result?: any): void;
+  initiated: number;
+  request: IndexedRequest;
 }
 
 export class WorkerClient {
+  // @ts-ignore
+  private _isVue = true;
+
   private readonly worker: Worker;
 
   private idCounter = 0;
@@ -30,8 +35,8 @@ export class WorkerClient {
   }
 
 
-  private when(id: string, resolve: (result?: any) => void, reject: (reason?: any) => void): void {
-    this.waiters.push({ id, resolve, reject });
+  private when(id: string, resolve: (result?: any) => void, reject: (reason?: any) => void, request: IndexedRequest): void {
+    this.waiters.push({ id, resolve, reject, request, initiated: Date.now() });
   }
 
 
@@ -39,7 +44,7 @@ export class WorkerClient {
     return (e: Event) => {
       const res = (e as any).data as IndexedResponse;
 
-      log.silly('store.worker.client.msg', { res });
+      // log.silly('store.worker.client.msg', { res });
 
       if (!res) {
         log.error('store.worker.client.msg.invalid', { res });
@@ -54,8 +59,10 @@ export class WorkerClient {
       }
 
       if (res.state === 'ok') {
+        // log.silly('store.worker.client.msg.ok', { t: (Date.now() - waiter.initiated) / 1000, req: waiter.request });
         waiter.resolve(res.result);
       } else {
+        log.error('store.worker.client.msg.err', { t: (Date.now() - waiter.initiated) / 1000, msg: res.msg, req: waiter.request });
         waiter.reject(new Error(res.msg));
       }
 
@@ -66,6 +73,8 @@ export class WorkerClient {
 
   private clearWaiter(id: string): void {
     this.waiters = _.filter(this.waiters, (w) => (w.id !== id));
+
+    // log.silly('store.worker.waiter.clear', this.waiters.length);
   }
 
 
@@ -84,7 +93,8 @@ export class WorkerClient {
           this.when(
             id,
             resolve,
-            reject
+            reject,
+            request
           );
 
           this.worker.postMessage(request);