diff --git a/src/analytics.ts b/src/analytics.ts
index 073a014..ab7e65d 100644
--- a/src/analytics.ts
+++ b/src/analytics.ts
@@ -5,6 +5,9 @@ import { IN_PRODUCTION_MODE, VERSION } from 'env'
 const PUBLIC_KEY = 'd22ec5c9cc874539a51c78388c12e3b0'
 const PROJECT_ID = '1406497'
 
+const MAX_REPORT_COUNT = 10 // protect for error leaking
+let countReportedError = 0
+
 const errorSet = new Set<string>([
   'inThisSearch is null', // weird bug in Firefox
   'The quota has been exceeded.', // caused by other addons in Firefox
@@ -18,13 +21,19 @@ const sentryOptions: Sentry.BrowserOptions = {
   environment: IN_PRODUCTION_MODE ? 'production' : 'development',
   // Not safe to activate all integrations in non-Chrome environments where Gitako may not run in top context
   // https://docs.sentry.io/platforms/javascript/#sdk-integrations
+  defaultIntegrations: false,
   integrations: integrations => integrations.filter(({ name }) => name !== 'TryCatch'),
   beforeSend(event) {
-    if (event.message) {
-      if (errorSet.has(event.message)) return null
-      errorSet.add(event.message) // prevent reporting duplicated error
+    const message = event.exception?.values?.[0].value || event.message
+    if (message) {
+      if (errorSet.has(message)) return null
+      errorSet.add(message) // prevent reporting duplicated error
     }
-    return event
+    if (countReportedError < MAX_REPORT_COUNT) {
+      ++countReportedError
+      return event
+    }
+    return null
   },
   beforeBreadcrumb(breadcrumb, hint) {
     if (breadcrumb.category === 'ui.click') {