diff --git a/common/include/input_check_param.cpp b/common/include/input_check_param.cpp
index 62cc46b..d0caa35 100644
--- a/common/include/input_check_param.cpp
+++ b/common/include/input_check_param.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
+ * Copyright (c) 2022 Huawei Device Co., Ltd.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
diff --git a/common/include/input_check_param.h b/common/include/input_check_param.h
index 0665537..700a069 100644
--- a/common/include/input_check_param.h
+++ b/common/include/input_check_param.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
+ * Copyright (c) 2022 Huawei Device Co., Ltd.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
diff --git a/common/include/white_list_util.cpp b/common/include/white_list_util.cpp
index 73dfcb8..8a5e6dc 100644
--- a/common/include/white_list_util.cpp
+++ b/common/include/white_list_util.cpp
@@ -44,13 +44,13 @@ namespace {
 
 WhiteListUtil::WhiteListUtil()
 {
-    DHLOGI("Ctor WhiteListUtil, addr: %p", this);
+    DHLOGI("Ctor WhiteListUtil.");
     Init();
 }
 
 WhiteListUtil::~WhiteListUtil()
 {
-    DHLOGI("Dtor WhiteListUtil, addr: %p", this);
+    DHLOGI("Dtor WhiteListUtil.");
 }
 
 WhiteListUtil &WhiteListUtil::GetInstance(void)
diff --git a/services/sink/transport/src/distributed_input_sink_transport.cpp b/services/sink/transport/src/distributed_input_sink_transport.cpp
index e164b77..c85c1d1 100644
--- a/services/sink/transport/src/distributed_input_sink_transport.cpp
+++ b/services/sink/transport/src/distributed_input_sink_transport.cpp
@@ -377,7 +377,7 @@ void DistributedInputSinkTransport::OnSessionClosed(int32_t sessionId)
 void DistributedInputSinkTransport::OnBytesReceived(int32_t sessionId, const void *data, uint32_t dataLen)
 {
     DHLOGI("OnBytesReceived, sessionId: %d, dataLen:%d", sessionId, dataLen);
-    if (sessionId < 0 || data == nullptr || dataLen <= 0) {
+    if (sessionId < 0 || data == nullptr || dataLen <= 0 || dataLen > MSG_MAX_SIZE) {
         DHLOGE("OnBytesReceived param check failed");
         return;
     }
diff --git a/services/source/sourcemanager/src/distributed_input_source_manager.cpp b/services/source/sourcemanager/src/distributed_input_source_manager.cpp
index 55a65e3..be275bc 100644
--- a/services/source/sourcemanager/src/distributed_input_source_manager.cpp
+++ b/services/source/sourcemanager/src/distributed_input_source_manager.cpp
@@ -1652,7 +1652,7 @@ int32_t DistributedInputSourceManager::RegisterDelWhiteListCallback(sptr<IDelWhi
 
 int32_t DistributedInputSourceManager::RegisterInputNodeListener(sptr<InputNodeListener> listener)
 {
-    DHLOGI("RegisterInputNodeListener, addr: %p", &listener);
+    DHLOGI("RegisterInputNodeListener.");
     if (listener == nullptr) {
         DHLOGE("RegisterInputNodeListener callback is null.");
         return ERR_DH_INPUT_SERVER_SOURCE_MANAGER_NODE_LISTENER_CALLBACK_ERR;
@@ -1664,7 +1664,7 @@ int32_t DistributedInputSourceManager::RegisterInputNodeListener(sptr<InputNodeL
 
 int32_t DistributedInputSourceManager::UnregisterInputNodeListener(sptr<InputNodeListener> listener)
 {
-    DHLOGI("UnregisterInputNodeListener, addr: %p", &listener);
+    DHLOGI("UnregisterInputNodeListener.");
     if (listener == nullptr) {
         DHLOGE("UnregisterInputNodeListener callback is null.");
         return ERR_DH_INPUT_SERVER_SOURCE_MANAGER_NODE_LISTENER_CALLBACK_ERR;
diff --git a/services/source/transport/src/distributed_input_source_transport.cpp b/services/source/transport/src/distributed_input_source_transport.cpp
index bc454fc..5893c80 100644
--- a/services/source/transport/src/distributed_input_source_transport.cpp
+++ b/services/source/transport/src/distributed_input_source_transport.cpp
@@ -772,7 +772,7 @@ bool DistributedInputSourceTransport::CheckRecivedData(const std::string& messag
 void DistributedInputSourceTransport::OnBytesReceived(int32_t sessionId, const void *data, uint32_t dataLen)
 {
     DHLOGI("OnBytesReceived, sessionId: %d, dataLen:%d", sessionId, dataLen);
-    if (sessionId < 0 || data == nullptr || dataLen <= 0) {
+    if (sessionId < 0 || data == nullptr || dataLen <= 0 || dataLen > MSG_MAX_SIZE) {
         DHLOGE("OnBytesReceived param check failed");
         return;
     }