diff --git a/src/views/AuthApp.jsx b/src/views/AuthApp.jsx
index 08c1d66..d52f144 100644
--- a/src/views/AuthApp.jsx
+++ b/src/views/AuthApp.jsx
@@ -56,21 +56,38 @@ function AuthApp() {
     } else {
       Notification.requestPermission()
     }
+    let _fetchEmailWorker;
     if (loginUser.userId > 0) {
       appendRequestHeader('X-User-Id', loginUser.userId)
       loadPageSpy(loginUser.username)
       connectWebsocket(loginUser.userId)
       fetchInitialData(loginUser)
 
+      _fetchEmailWorker = startEmailInterval(loginUser.userId)
     }
     return () => {
       disconnectWebsocket()
       fetchEmailWorker.postMessage({ command: 'logout' })
+      if (_fetchEmailWorker) {
+        _fetchEmailWorker.terminate();
+      }
     }
   }, [])
 
   useGlobalNotify();
 
+  const startEmailInterval = (userId) => {
+    // const fetchEmailWorker = new Worker(fetchEmailWorkerURL, { type: 'module' });
+    fetchEmailWorker.onerror = function(error) {
+      console.error('There was an error in the worker', error);
+    };
+    fetchEmailWorker.onmessage = function(event) {
+      // console.log('Received message from worker', event.data, event.message);
+    };
+    fetchEmailWorker.postMessage({ command: 'fetchEmail', param: { opi_sn: userId } });
+    return fetchEmailWorker;
+  }
+
   const uploadLog = async () => {
     await readWebsocketLog()
     if (window.$pageSpy) {