diff --git a/net/web/src/context/useConversationContext.hook.js b/net/web/src/context/useConversationContext.hook.js
index 4e21122d..38c2429a 100644
--- a/net/web/src/context/useConversationContext.hook.js
+++ b/net/web/src/context/useConversationContext.hook.js
@@ -27,6 +27,28 @@ export function useConversationContext() {
   const topics = useRef(new Map());
 
   useEffect(() => {
+    if (conversationId.current) {
+      let setChannel;
+      const { cardId, channelId } = conversationId.current;
+      if (cardId) {
+        const setCard = card.state.cards.get(cardId);
+        setChannel = setCard?.channels.get(channelId);
+      }
+      else {
+        setChannel = channel.state.channels.get(channelId);
+      }
+      if (setChannel) {
+        const { topicRevision, detailRevision } = setChannel.data;
+        if (curTopicRevision.current !== topicRevision || curDetailRevision.current !== detailRevision) {
+          curTopicRevision.current = topicRevision;
+          curDetailRevision.current = detailRevision;
+          sync();
+        }
+      }
+      else {
+        console.log('conversation not found');
+      }
+    }
   }, [card.state, channel.state]);
 
   const getTopicDelta = async (cardId, channelId, revision, count, begin, end) => {
@@ -63,22 +85,22 @@ export function useConversationContext() {
     }
   }
 
-  const setChannelCard = async (cardId, channelId, cardId) => {
+  const setChannelCard = async (cardId, channelId, id) => {
     if (cardId) {
       console.log('cannot update channel card');
     }
     else {
-      await channel.actions.setChannelCard(channelId, cardId);
+      await channel.actions.setChannelCard(channelId, id);
       await channel.actions.resync();
     }
   }
 
-  const clearChannelCard = async (cardId, channelId, cardId) => {
+  const clearChannelCard = async (cardId, channelId, id) => {
     if (cardId) {
       console.log('cannot update channel card');
     }
     else {
-      await channel.actions.clearChannelCard(channelId, cardId);
+      await channel.actions.clearChannelCard(channelId, id);
       await channelactions.resync();
     }
   };
@@ -122,7 +144,7 @@ export function useConversationContext() {
     }
   };
 
-  const resync = async () => [
+  const resync = async () => {
     try {
       force.current = true;
       await sync();
@@ -249,13 +271,13 @@ export function useConversationContext() {
       const { cardId, channelId } = conversationId.current;
       await setChannelSubject(cardId, channelId, type, subject);
     },
-    setChannelCard: async (cardId) => {
+    setChannelCard: async (id) => {
       const { cardId, channelId } = conversationId.current;
-      await setChannelCard(cardId, channelId, cardId);
+      await setChannelCard(cardId, channelId, id);
     },
-    clearChannelCard: async (cardId) => {
+    clearChannelCard: async (id) => {
       const { cardId, channelId } = conversationId.current;
-      await clearChannelCard(cardId, channelId, cardId);
+      await clearChannelCard(cardId, channelId, id);
     },
     addTopic: async (type, message, files) => {
       const { cardId, channelId } = conversationId.current;
@@ -271,7 +293,7 @@ export function useConversationContext() {
     },
     getTopicAssetUrl: (topicId, assetId) => {
       const { cardId, channelId } = conversationId.current;
-      return await getTopicAssetUrl(cardId, channelId, topicId, assetId);
+      return getTopicAssetUrl(cardId, channelId, topicId, assetId);
     },
     unsealTopicSubject: (topicId, unsealed) => {
       const topic = topics.current.get(topicId);
diff --git a/net/web/test/Conversation.test.js b/net/web/test/Conversation.test.js
new file mode 100644
index 00000000..4e9a586b
--- /dev/null
+++ b/net/web/test/Conversation.test.js
@@ -0,0 +1,180 @@
+import React, { useState, useEffect, useContext } from 'react';
+import { prettyDOM } from '@testing-library/dom'
+import {render, act, screen, waitFor, fireEvent} from '@testing-library/react'
+import { CardContextProvider, CardContext } from 'context/CardContext';
+import { ChannelContextProvider, ChannelContext } from 'context/ChannelContext';
+import { ConversationContextProvider, ConversationContext } from 'context/ConversationContext';
+import * as fetchUtil from 'api/fetchUtil';
+
+let cardContext = null;
+let channelContext = null;
+let conversationContext = null;
+function ConversationView() {
+  const [renderCount, setRenderCount] = useState(0);
+  const [topics, setTopics] = useState([]);
+
+  const card = useContext(CardContext);
+  const channel = useContext(ChannelContext);
+  const conversation = useContext(ConversationContext);
+
+  cardContext = card;
+  channelContext = channel;
+  conversationContext = conversation;
+
+  useEffect(() => {
+    const rendered = []
+    const entries = Array.from(conversation.state.topics.values());
+    entries.forEach(entry => {
+      rendered.push(
+        <div key={entry.id} data-testid="topic">
+          <span data-testid="name">{ entry.data.cardProfile.name }</span>
+          <span data-testid="status">{ entry.data.cardDetail.status }</span>
+          <span data-testid="token">{ entry.data.cardDetail.token }</span>
+        </div>);
+    });
+    setTopics(rendered);
+    setRenderCount(renderCount + 1);
+  }, [card.state])
+
+  return (
+    <div data-testid="topics" count={renderCount} offsync={card.state.offsync.toString()}>
+      { topics }
+    </div>
+  );
+}
+
+function ConversationTestApp() {
+  return (
+    <CardContextProvider>
+      <ChannelContextProvider>
+        <ConversationContextProvider>
+          <ConversationView />
+        </ConversationContextProvider>
+      </ChannelContextProvider>
+    </CardContextProvider>
+  )
+}
+
+const realFetchWithTimeout = fetchUtil.fetchWithTimeout;
+const realFetchWithCustomTimeout = fetchUtil.fetchWithCustomTimeout;
+
+let statusCards;
+let fetchCards;
+let statusChannels;
+let fetchChannels;
+let statusCardChannels;
+let fetchCardChannels;
+beforeEach(() => {
+
+  statusCards = 200;
+  fetchCards = [];
+  statusChannels = 200;
+  fetchChannels = [];
+  statusCardChannels = 200;
+  fetchCardChannels = [];
+
+  const mockFetch = jest.fn().mockImplementation((url, options) => {
+    const params = url.split('/');
+      console.log(params, options);
+    if (params[2].startsWith('channels?agent')) {
+      return Promise.resolve({
+        url: 'getChannels',
+        status: statusChannels,
+        json: () => Promise.resolve(fetchChannels),
+      });
+    }
+    if (params[2].startsWith('channels?contact')) {
+      return Promise.resolve({
+        url: 'getCardChannels',
+        status: statusCardChannels,
+        json: () => Promise.resolve(fetchCardChannels),
+      });
+    }
+    else if (params[2]?.split('?')[0] === 'cards') {
+      return Promise.resolve({
+        url: 'getCards',
+        status: statusCards,
+        json: () => Promise.resolve(fetchCards),
+      });
+    }
+    else {
+      return Promise.resolve({
+        url: 'endpoint',
+        status: 200,
+        json: () => Promise.resolve([]),
+      });
+    }
+
+  });
+  fetchUtil.fetchWithTimeout = mockFetch;
+  fetchUtil.fetchWithCustomTimeout = mockFetch;
+});
+
+afterEach(() => {
+  fetchUtil.fetchWithTimeout = realFetchWithTimeout;
+  fetchUtil.fetchWithCustomTimeout = realFetchWithCustomTimeout;
+});
+
+test('conversation', async() => {
+
+  render(<ConversationTestApp />);
+
+  await waitFor(async () => {
+    expect(cardContext).not.toBe(null);
+    expect(channelContext).not.toBe(null);
+    expect(conversationContext).not.toBe(null);
+  });
+
+  await act(async () => {
+    cardContext.actions.setToken('abc123');
+    channelContext.actions.setToken('abc123');
+  });
+
+  fetchChannels = [
+    { id: '123', revision: 2, data: {
+        detailRevision: 3,
+        topicRevision: 5,
+        channelSummary: { guid: '11', dataType: 'superbasictopic', data: 'testdata' },
+        channelDetail: { dataType: 'superbasic', data: 'testdata' },
+      }
+    },
+  ];
+
+  fetchCards = [{
+    id: '000a',
+    revision: 1,
+    data: {
+      detailRevision: 2,
+      profileRevision: 3,
+      notifiedProfile: 3,
+      notifiedArticle: 5,
+      notifiedChannel: 6,
+      notifiedView: 7,
+      cardDetail: { status: 'connected', statusUpdate: 136, token: '01ab', },
+      cardProfile: { guid: '01ab23', handle: 'test1', name: 'tester', imageSet: false,
+        seal: 'abc', version: '1.1.1', node: 'test.org' },
+    },
+  }];
+
+  fetchCardChannels = [
+    { id: 'aabb', revision: 2, data: {
+        detailRevision: 3,
+        topicRevision: 5,
+        channelSummary: { guid: '11', dataType: 'superbasictopic', data: 'testcardtopic' },
+        channelDetail: { dataType: 'superbasic', data: 'testcardchannel' },
+      }
+    },
+  ];
+
+  await act(async () => {
+    cardContext.actions.setRevision(1);
+    channelContext.actions.setRevision(1);
+  });
+
+  act(() => {
+    cardContext.actions.clearToken();
+    channelContext.actions.clearToken();
+  });
+
+});
+