diff --git a/ohos_Mqtt/src/main/cpp/mqtt_napi/CMakeLists.txt b/ohos_Mqtt/src/main/cpp/mqtt_napi/CMakeLists.txt
index 076f245342f6f1cd2df1ee2563192f5b289bf7b3..10a94524b06fb0faa7b6b8023069e52ad54172b0 100644
--- a/ohos_Mqtt/src/main/cpp/mqtt_napi/CMakeLists.txt
+++ b/ohos_Mqtt/src/main/cpp/mqtt_napi/CMakeLists.txt
@@ -1,28 +1,6 @@
-#
-# Tencent is pleased to support the open source community by making
-# MMKV available.
-#
-# Copyright (C) 2019 THL A29 Limited, a Tencent company.
-# All rights reserved.
-#
-# Licensed under the BSD 3-Clause License (the "License"); you may not use
-# this file except in compliance with the License. You may obtain a copy of
-# the License at
-#
-#       https://opensource.org/licenses/BSD-3-Clause
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
 # Sets the minimum version of CMake required to build the native library.
-
 cmake_minimum_required(VERSION 3.4.1)
 
-
 set(can_use_assembler TRUE)
 enable_language(ASM)
 IF("${OHOS_ARCH}" STREQUAL "arm64-v8a")
@@ -30,16 +8,8 @@ IF("${OHOS_ARCH}" STREQUAL "arm64-v8a")
  SET(CMAKE_ASM_FLAGS "${CFLAGS} ${ASM_OPTIONS} -march=armv8+crypto -D__OHOS__")
 ENDIF()
 
-
-
 project(mqtt_napi)
 
-# Creates and names a library, sets it as either STATIC
-# or SHARED, and provides the relative paths to its source code.
-# You can define multiple libraries, and CMake builds them for you.
-# Gradle automatically packages shared libraries with your APK.
-
-
 add_library(mqtt_napi
             STATIC
              base_context.cpp