diff --git a/content/browser/renderer_host/input/input_router_impl.cc b/content/browser/renderer_host/input/input_router_impl.cc
index a0df4daa0420f42d0032c58940d80d7674a9b9f0..e6d3ed0471f3ad2fca1eaf765c924df74b81dd6f 100644
--- a/content/browser/renderer_host/input/input_router_impl.cc
+++ b/content/browser/renderer_host/input/input_router_impl.cc
@@ -123,7 +123,7 @@ void InputRouterImpl::SendMouseEvent(
     std::move(event_result_callback)
         .Run(mouse_event, blink::mojom::InputEventResultSource::kBrowser,
              blink::mojom::InputEventResultState::kIgnored);
-#if defined(IS_OHOS)
+#if BUILDFLAG(IS_OHOS)
   LOG(INFO) << "mouse event suppressed!";
 #endif
     return;
@@ -665,7 +665,7 @@ void InputRouterImpl::FilterAndSendWebInputEvent(
   blink::mojom::InputEventResultState filtered_state =
       client_->FilterInputEvent(input_event, latency_info);
   if (WasHandled(filtered_state)) {
-#if defined(IS_OHOS)
+#if BUILDFLAG(IS_OHOS)
     LOG(INFO) << "event was filtered for " << InputEventResultStateToString(filtered_state);
     TRACE_EVENT1("input", "InputEventFiltered",
                  InputEventResultStateToString(filtered_state));
@@ -754,6 +754,20 @@ void InputRouterImpl::KeyboardEventHandled(
   // TODO(jdduke): crbug.com/274029 - Make ack-triggered shutdown async.
 }
 
+#if BUILDFLAG(IS_OHOS)
+static bool FilterLogEvent(WebInputEvent::Type type) {
+  switch (type) {
+    case WebInputEvent::Type::kMouseUp:
+    case WebInputEvent::Type::kMouseDown:
+    case WebInputEvent::Type::kTouchStart:
+    case WebInputEvent::Type::kTouchEnd:
+      return true;
+    default:
+      return false;
+  }
+}
+#endif
+
 void InputRouterImpl::MouseEventHandled(
     const MouseEventWithLatencyInfo& event,
     MouseEventCallback event_result_callback,
@@ -766,9 +780,10 @@ void InputRouterImpl::MouseEventHandled(
   TRACE_EVENT2("input", "InputRouterImpl::MouseEventHandled", "type",
                WebInputEvent::GetName(event.event.GetType()), "ack",
                InputEventResultStateToString(state));
-#if defined(IS_OHOS)
-  LOG(INFO) << "InputRouterImpl::MouseEventHandled type:" << WebInputEvent::GetName(event.event.GetType())
-            << " ack " << InputEventResultStateToString(state);
+#if BUILDFLAG(IS_OHOS)
+  if (FilterLogEvent(event.event.GetType()))
+    LOG(INFO) << "InputRouterImpl::MouseEventHandled type:" << WebInputEvent::GetName(event.event.GetType())
+              << " ack " << InputEventResultStateToString(state);
 #endif
 
   if (source != blink::mojom::InputEventResultSource::kBrowser)
@@ -788,9 +803,10 @@ void InputRouterImpl::TouchEventHandled(
   TRACE_EVENT2("input", "InputRouterImpl::TouchEventHandled", "type",
                WebInputEvent::GetName(touch_event.event.GetType()), "ack",
                InputEventResultStateToString(state));
-#if defined(IS_OHOS)
-  LOG(INFO) << "InputRouterImpl::TouchEventHandled type:" << WebInputEvent::GetName(event.event.GetType())
-            << " ack " << InputEventResultStateToString(state);
+#if BUILDFLAG(IS_OHOS)
+  if (FilterLogEvent(touch_event.event.GetType()))
+    LOG(INFO) << "InputRouterImpl::TouchEventHandled type:" << WebInputEvent::GetName(touch_event.event.GetType())
+              << " ack " << InputEventResultStateToString(state);
 #endif
   if (source != blink::mojom::InputEventResultSource::kBrowser)
     client_->DecrementInFlightEventCount(source);
diff --git a/content/browser/renderer_host/render_widget_host_impl.cc b/content/browser/renderer_host/render_widget_host_impl.cc
index 9425e2a6c63b3898036c8b2bd944d870bbe70a02..c0df144abaeb7cba760d03d8fad2c4c4da3ce637 100644
--- a/content/browser/renderer_host/render_widget_host_impl.cc
+++ b/content/browser/renderer_host/render_widget_host_impl.cc
@@ -1540,7 +1540,7 @@ void RenderWidgetHostImpl::ForwardMouseEventWithLatencyInfo(
   }
 
   if (IsIgnoringInputEvents())
-#if defined(IS_OHOS)
+#if BUILDFLAG(IS_OHOS)
   {
     LOG(INFO) << "ignore input events";
     return;
@@ -3478,7 +3478,7 @@ void RenderWidgetHostImpl::OnTouchEventAck(
 }
 
 bool RenderWidgetHostImpl::IsIgnoringInputEvents() const {
-#if defined(IS_OHOS)
+#if BUILDFLAG(IS_OHOS)
   if (agent_scheduling_group_->GetProcess()->IsBlocked()) {
     LOG(INFO) << "IsIgnoringInputEvents for gpu blocked";
     return true;
@@ -3579,6 +3579,9 @@ void RenderWidgetHostImpl::GotResponseToForceRedraw(int snapshot_id) {
 }
 
 void RenderWidgetHostImpl::DetachDelegate() {
+#if BUILDFLAG(IS_OHOS)
+  LOG(INFO) << "RenderWidgetHostImpl DetachDelegate";
+#endif
   delegate_ = nullptr;
   latency_tracker_.reset_delegate();
 }
diff --git a/content/browser/renderer_host/render_widget_targeter.cc b/content/browser/renderer_host/render_widget_targeter.cc
index e045003a2ecb1c4517a48e6916bebe84b4b87f8b..f671249cb3a86c5aa7a8a6216be5b618ded178e5 100644
--- a/content/browser/renderer_host/render_widget_targeter.cc
+++ b/content/browser/renderer_host/render_widget_targeter.cc
@@ -156,7 +156,7 @@ void RenderWidgetTargeter::FindTargetAndDispatch(
   if (!requests_.empty()) {
     auto& request = requests_.back();
     if (request.MergeEventIfPossible(event))
-#if defined(IS_OHOS)
+#if BUILDFLAG(IS_OHOS)
     {
       LOG(INFO) << "merge input events";
       return;