diff --git a/interfaces/kits/napi/file_access_module/file_info/napi_file_info_exporter.cpp b/interfaces/kits/napi/file_access_module/file_info/napi_file_info_exporter.cpp
index 952307c384b59c341a35c4bd9df4dc27eea57aff..35895ac58118cd02c1895c0e17d7f317611dce88 100644
--- a/interfaces/kits/napi/file_access_module/file_info/napi_file_info_exporter.cpp
+++ b/interfaces/kits/napi/file_access_module/file_info/napi_file_info_exporter.cpp
@@ -65,6 +65,11 @@ napi_value NapiFileInfoExporter::Constructor(napi_env env, napi_callback_info in
     }
 
     auto fileInfoEntity = std::make_unique<FileInfoEntity>();
+    if (fileInfoEntity == nullptr) {
+        NError(ERR_NULL_POINTER).ThrowErr(env, "Cannot get entity of fileInfoEntity");
+        return nullptr;
+    }
+
     if (!NClass::SetEntityFor<FileInfoEntity>(env, funcArg.GetThisVar(), std::move(fileInfoEntity))) {
         NError(ERR_NULL_POINTER).ThrowErr(env, "INNER BUG. Failed to wrap entity for obj FileInfoEntity");
         return nullptr;
diff --git a/interfaces/kits/napi/file_access_module/napi_fileaccess_helper.cpp b/interfaces/kits/napi/file_access_module/napi_fileaccess_helper.cpp
index cbba50494aaeefb9311bb718684c1acc1db5f9a4..5055d92428dcff589775d14185a7e455ea330a7a 100644
--- a/interfaces/kits/napi/file_access_module/napi_fileaccess_helper.cpp
+++ b/interfaces/kits/napi/file_access_module/napi_fileaccess_helper.cpp
@@ -176,6 +176,11 @@ napi_value NAPI_GetFileAccessAbilityInfo(napi_env env, napi_callback_info info)
     }
 
     auto result = std::make_shared<std::vector<AAFwk::Want>>();
+    if (result == nullptr) {
+        NapiError(ERR_NULL_POINTER).ThrowErr(env);;
+        return nullptr;
+    }
+
     auto cbExec = [result]() -> NError {
         int ret = FileAccessHelper::GetRegisteredFileAccessExtAbilityInfo(*result);
         return NError(ret);
@@ -304,6 +309,11 @@ napi_value NAPI_OpenFile(napi_env env, napi_callback_info info)
     }
 
     auto result = std::make_shared<int>();
+    if (result == nullptr) {
+        NapiError(ERR_NULL_POINTER).ThrowErr(env);
+        return nullptr;
+    }
+
     string uriString(uri.get());
     auto cbExec = [uriString, flags, result, fileAccessHelper]() -> NError {
         OHOS::Uri uri(uriString);
@@ -353,6 +363,11 @@ napi_value NAPI_CreateFile(napi_env env, napi_callback_info info)
     }
 
     auto result = std::make_shared<string>();
+    if (result == nullptr) {
+        NapiError(ERR_NULL_POINTER).ThrowErr(env);
+        return nullptr;
+    }
+
     string uriString(uri.get());
     string name(displayName.get());
     auto cbExec = [uriString, name, result, fileAccessHelper]() -> NError {
@@ -405,6 +420,11 @@ napi_value NAPI_Mkdir(napi_env env, napi_callback_info info)
     }
 
     auto result = std::make_shared<string>();
+    if (result == nullptr) {
+        NapiError(ERR_NULL_POINTER).ThrowErr(env);
+        return nullptr;
+    }
+
     string uriString(uri.get());
     string name(displayName.get());
     auto cbExec = [uriString, name, result, fileAccessHelper]() -> NError {
@@ -457,6 +477,11 @@ napi_value NAPI_Delete(napi_env env, napi_callback_info info)
     }
 
     auto result = std::make_shared<int>();
+    if (result == nullptr) {
+        NapiError(ERR_NULL_POINTER).ThrowErr(env);
+        return nullptr;
+    }
+
     string uriString(uri.get());
     auto cbExec = [uriString, result, fileAccessHelper]() -> NError {
         OHOS::Uri uri(uriString);
@@ -506,6 +531,11 @@ napi_value NAPI_Move(napi_env env, napi_callback_info info)
     }
 
     auto result = std::make_shared<string>();
+    if (result == nullptr) {
+        NapiError(ERR_NULL_POINTER).ThrowErr(env);
+        return nullptr;
+    }
+
     string sourceFileString(sourceFile.get());
     string targetParentString(targetParent.get());
     auto cbExec = [sourceFileString, targetParentString, result, fileAccessHelper]() -> NError {
@@ -559,6 +589,11 @@ napi_value NAPI_Rename(napi_env env, napi_callback_info info)
     }
 
     auto result = std::make_shared<string>();
+    if (result == nullptr) {
+        NapiError(ERR_NULL_POINTER).ThrowErr(env);
+        return nullptr;
+    }
+
     string uriString(uri.get());
     string name(displayName.get());
     auto cbExec = [uriString, name, result, fileAccessHelper]() -> NError {
diff --git a/interfaces/kits/napi/file_access_module/root_info/napi_root_info_exporter.cpp b/interfaces/kits/napi/file_access_module/root_info/napi_root_info_exporter.cpp
index 23f009b6ddfc62a31d60f50a0a45bbf19e73220b..6cb3b456ea9a2a58955859b570a77d0f3d8186cf 100644
--- a/interfaces/kits/napi/file_access_module/root_info/napi_root_info_exporter.cpp
+++ b/interfaces/kits/napi/file_access_module/root_info/napi_root_info_exporter.cpp
@@ -67,6 +67,11 @@ napi_value NapiRootInfoExporter::Constructor(napi_env env, napi_callback_info in
     }
 
     auto rootInfoEntity = std::make_unique<RootInfoEntity>();
+    if (rootInfoEntity == nullptr) {
+        NError(ERR_NULL_POINTER).ThrowErr(env, "Cannot get entity of RootInfoEntity");
+        return nullptr;
+    }
+
     if (!NClass::SetEntityFor<RootInfoEntity>(env, funcArg.GetThisVar(), std::move(rootInfoEntity))) {
         NError(ERR_NULL_POINTER).ThrowErr(env, "INNER BUG. Failed to wrap entity for obj RootInfoEntity");
         return nullptr;
diff --git a/interfaces/kits/napi/file_access_module/root_info/napi_root_iterator_exporter.cpp b/interfaces/kits/napi/file_access_module/root_info/napi_root_iterator_exporter.cpp
index 91c6d83247f94d4820b142ee6fe1273d9587cda1..3418f03e88fe271a10f19304cc858d1dcf051cf0 100644
--- a/interfaces/kits/napi/file_access_module/root_info/napi_root_iterator_exporter.cpp
+++ b/interfaces/kits/napi/file_access_module/root_info/napi_root_iterator_exporter.cpp
@@ -57,6 +57,10 @@ napi_value NapiRootIteratorExporter::Constructor(napi_env env, napi_callback_inf
     }
 
     auto rootIteratorEntity = std::make_unique<RootIteratorEntity>();
+    if (rootIteratorEntity == nullptr) {
+        NError(ERR_NULL_POINTER).ThrowErr(env, "Cannot get entity of rootIteratorEntity");
+    }
+
     if (!NClass::SetEntityFor<RootIteratorEntity>(env, funcArg.GetThisVar(), std::move(rootIteratorEntity))) {
         NError(ERR_NULL_POINTER).ThrowErr(env, "INNER BUG. Failed to wrap entity for obj FileIteratorEntity");
         return nullptr;