diff --git a/adapter/ohos/capability/udmf/udmf_impl.cpp b/adapter/ohos/capability/udmf/udmf_impl.cpp
index 6e9fd749447..ccbb2813d9d 100644
--- a/adapter/ohos/capability/udmf/udmf_impl.cpp
+++ b/adapter/ohos/capability/udmf/udmf_impl.cpp
@@ -76,7 +76,9 @@ napi_value UdmfClientImpl::TransformUdmfUnifiedData(RefPtr<UnifiedData>& Unified
     CHECK_NULL_RETURN(engine, nullptr);
     NativeEngine* nativeEngine = engine->GetNativeEngine();
     napi_env env = reinterpret_cast<napi_env>(nativeEngine);
-    auto unifiedData = AceType::DynamicCast<UnifiedDataImpl>(UnifiedData)->GetUnifiedData();
+    auto unifiedDataImpl = AceType::DynamicCast<UnifiedDataImpl>(UnifiedData);
+    CHECK_NULL_RETURN(unifiedDataImpl, nullptr);
+    auto unifiedData = unifiedDataImpl->GetUnifiedData();
     CHECK_NULL_RETURN(unifiedData, nullptr);
     napi_value dataVal = nullptr;
     UDMF::UnifiedDataNapi::NewInstance(env, unifiedData, dataVal);
diff --git a/adapter/ohos/entrance/mmi_event_convertor.cpp b/adapter/ohos/entrance/mmi_event_convertor.cpp
index e2ea49a9d3f..323c58dc712 100644
--- a/adapter/ohos/entrance/mmi_event_convertor.cpp
+++ b/adapter/ohos/entrance/mmi_event_convertor.cpp
@@ -151,6 +151,7 @@ void UpdateMouseEventForPen(const MMI::PointerEvent::PointerItem& pointerItem, M
 
 TouchEvent ConvertTouchEvent(const std::shared_ptr<MMI::PointerEvent>& pointerEvent)
 {
+    CHECK_NULL_RETURN(pointerEvent, TouchEvent());
     int32_t pointerID = pointerEvent->GetPointerId();
     MMI::PointerEvent::PointerItem item;
     bool ret = pointerEvent->GetPointerItem(pointerID, item);
diff --git a/frameworks/bridge/common/dom/dom_grid_row.cpp b/frameworks/bridge/common/dom/dom_grid_row.cpp
index c2dc16ccd2d..1e7df15d722 100644
--- a/frameworks/bridge/common/dom/dom_grid_row.cpp
+++ b/frameworks/bridge/common/dom/dom_grid_row.cpp
@@ -27,6 +27,7 @@ void DomGridRow::SetParentGridInfo(const RefPtr<GridContainerInfo>& parent)
 {
     if (columnType_ != GridColumnType::NONE) {
         auto info = GridSystemManager::GetInstance().GetInfoByType(columnType_);
+        CHECK_NULL_VOID(info);
         gridContainerInfo_ = info->GetParent();
         boxComponent_->SetGridLayoutInfo(gridContainerInfo_);
     } else {
diff --git a/frameworks/core/components_ng/event/focus_hub.cpp b/frameworks/core/components_ng/event/focus_hub.cpp
index 14299a2c725..6605135d415 100644
--- a/frameworks/core/components_ng/event/focus_hub.cpp
+++ b/frameworks/core/components_ng/event/focus_hub.cpp
@@ -37,6 +37,8 @@ float GetMoveOffset(const RefPtr<FrameNode>& parentFrameNode, const RefPtr<Frame
     float contentStartOffset, float contentEndOffset)
 {
     constexpr float notMove = 0.0f;
+    CHECK_NULL_RETURN(parentFrameNode, notMove);
+    CHECK_NULL_RETURN(curFrameNode, notMove);
     auto parentGeometryNode = parentFrameNode->GetGeometryNode();
     CHECK_NULL_RETURN(parentGeometryNode, notMove);
     auto parentFrameSize = parentGeometryNode->GetFrameSize();
diff --git a/frameworks/core/components_ng/pattern/app_bar/atomic_service_pattern.cpp b/frameworks/core/components_ng/pattern/app_bar/atomic_service_pattern.cpp
index 8170b6b07fd..9ee965a288c 100644
--- a/frameworks/core/components_ng/pattern/app_bar/atomic_service_pattern.cpp
+++ b/frameworks/core/components_ng/pattern/app_bar/atomic_service_pattern.cpp
@@ -357,7 +357,9 @@ void AtomicServicePattern::UpdateIconLayout(RefPtr<AppBarTheme>& theme, RefPtr<F
         margin.left = CalcLength(theme->GetIconInsideMargin());
         margin.right = CalcLength(theme->GetIconOutsideMargin());
     }
-    icon->GetLayoutProperty<ImageLayoutProperty>()->UpdateMargin(margin);
+    auto layoutProperty = icon->GetLayoutProperty<ImageLayoutProperty>();
+    CHECK_NULL_VOID(layoutProperty);
+    layoutProperty->UpdateMargin(margin);
 
     icon->MarkModifyDone();
     icon->MarkDirtyNode();
diff --git a/frameworks/core/components_ng/pattern/stage/page_pattern.cpp b/frameworks/core/components_ng/pattern/stage/page_pattern.cpp
index 0cc53046f54..f7ed4eb9866 100644
--- a/frameworks/core/components_ng/pattern/stage/page_pattern.cpp
+++ b/frameworks/core/components_ng/pattern/stage/page_pattern.cpp
@@ -468,7 +468,9 @@ bool PagePattern::AvoidKeyboard() const
 {
     auto pipeline = PipelineContext::GetCurrentContext();
     CHECK_NULL_RETURN(pipeline, false);
-    return pipeline->GetSafeAreaManager()->KeyboardSafeAreaEnabled();
+    auto safeAreaManager = pipeline->GetSafeAreaManager();
+    CHECK_NULL_RETURN(safeAreaManager, false);
+    return safeAreaManager->KeyboardSafeAreaEnabled();
 }
 
 bool PagePattern::RemoveOverlay()