diff --git a/display/buffer/v1_0/hdi_impl/display_buffer_hdi_impl.h b/display/buffer/v1_0/hdi_impl/display_buffer_hdi_impl.h
index a7db5c20e921175ef6862009fe8d28e5409d42c2..e79364a0de1a13fc66bc8d79aa211642d90125d4 100644
--- a/display/buffer/v1_0/hdi_impl/display_buffer_hdi_impl.h
+++ b/display/buffer/v1_0/hdi_impl/display_buffer_hdi_impl.h
@@ -90,6 +90,7 @@ public:
     {
         if (recipient_ != nullptr) {
             sptr<IRemoteObject> remoteObj = OHOS::HDI::hdi_objcast<IAllocator>(allocator_);
+            CHECK_NULLPOINTER_RETURN_VALUE(remoteObj, HDF_FAILURE);
             remoteObj->RemoveDeathRecipient(recipient_);
             recipient_ = nullptr;
         }
@@ -98,6 +99,7 @@ public:
     bool AddDeathRecipient(const sptr<IRemoteObject::DeathRecipient>& recipient) override
     {
         sptr<IRemoteObject> remoteObj = OHOS::HDI::hdi_objcast<IAllocator>(allocator_);
+        CHECK_NULLPOINTER_RETURN_VALUE(remoteObj, HDF_FAILURE);
         if (recipient_ != nullptr) {
             HDF_LOGE("%{public}s: the existing recipient is removed, and add the new. %{public}d",
                 __func__, __LINE__);
@@ -117,6 +119,7 @@ public:
     {
         if (recipient_ != nullptr) {
             sptr<IRemoteObject> remoteObj = OHOS::HDI::hdi_objcast<IAllocator>(allocator_);
+            CHECK_NULLPOINTER_RETURN_VALUE(remoteObj, HDF_FAILURE);
             remoteObj->RemoveDeathRecipient(recipient_);
             recipient_ = nullptr;
         }