diff --git a/frameworks/core/components_ng/base/observer_handler.cpp b/frameworks/core/components_ng/base/observer_handler.cpp
index e486782353fd1a8b0d1f83e5d75ca2b146e06f1c..c5aa67db0ae8f986fabaaf5ad834833d72cd98a9 100644
--- a/frameworks/core/components_ng/base/observer_handler.cpp
+++ b/frameworks/core/components_ng/base/observer_handler.cpp
@@ -173,7 +173,6 @@ void UIObserverHandler::NotifyRouterPageStateChangeForAni(const RefPtr<PageInfo>
 
 void UIObserverHandler::NotifyDensityChange(double density)
 {
-    CHECK_NULL_VOID(densityHandleFunc_);
     auto container = Container::Current();
     if (!container) {
         LOGW("notify density event failed, current UI instance invalid");
@@ -184,7 +183,12 @@ void UIObserverHandler::NotifyDensityChange(double density)
         AceApplicationInfo::GetInstance().GetProcessName(),
         container->GetModuleName()
     };
-    densityHandleFunc_(info, density);
+    if (densityHandleFunc_) {
+        densityHandleFunc_(info, density);
+    }
+    if (densityHandleFuncForAni_) {
+        densityHandleFuncForAni_(info, density);
+    }
 }
 
 void UIObserverHandler::NotifyWillClick(
diff --git a/frameworks/core/components_ng/base/observer_handler.h b/frameworks/core/components_ng/base/observer_handler.h
index 14c8cb1da836d2d348741ba50172469a47fa782f..ea9d6da620e66d78755a759ed83d533ed95955ee 100644
--- a/frameworks/core/components_ng/base/observer_handler.h
+++ b/frameworks/core/components_ng/base/observer_handler.h
@@ -228,8 +228,7 @@ public:
     using DensityHandleFunc = void (*)(AbilityContextInfo&, double);
     using DensityHandleFuncForAni = std::function<void(AbilityContextInfo&, double)>;
     void SetHandleDensityChangeFunc(DensityHandleFunc func);
-        void SetHandleDensityChangeFuncForAni(DensityHandleFuncForAni func);
-
+    void SetHandleDensityChangeFuncForAni(DensityHandleFuncForAni func);
     void SetLayoutDoneHandleFunc(DrawCommandSendHandleFunc func);
     void HandleLayoutDoneCallBack();
     void SetDrawCommandSendHandleFunc(LayoutDoneHandleFunc func);