diff --git a/.gitignore b/.gitignore
index c7e5016..090a0c8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,6 +11,7 @@ compile_commands.json
 CTestTestfile.cmake
 _deps
 CMakeUserPresets.json
+out
 
 # ---> JetBrains
 # Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider
@@ -709,7 +710,8 @@ dkms.conf
 .LSOverride
 
 # Icon must end with two \r
-Icon

+Icon
+
 
 # Thumbnails
 ._*
diff --git a/BDPng.cpp b/BDPng.cpp
new file mode 100644
index 0000000..90f6de1
--- /dev/null
+++ b/BDPng.cpp
@@ -0,0 +1,5 @@
+#include <iostream>
+
+void say_hello(){
+    std::cout << "Hello, from BDPng!\n";
+}
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..f36edb9
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,8 @@
+cmake_minimum_required(VERSION 3.10.0)
+project(BDPng VERSION 0.1.0 LANGUAGES C CXX)
+
+add_library(BDPng BDPng.cpp)
+
+include(CTest)
+enable_testing()
+
diff --git a/CMakePresets.json b/CMakePresets.json
new file mode 100644
index 0000000..8e31bb1
--- /dev/null
+++ b/CMakePresets.json
@@ -0,0 +1,17 @@
+{
+    "version": 8,
+    "configurePresets": [
+        {
+            "name": "Clang",
+            "displayName": "使用工具链文件配置预设",
+            "description": "设置 Ninja 生成器、版本和安装目录",
+            "generator": "Ninja",
+            "binaryDir": "${sourceDir}/out/build/${presetName}",
+            "cacheVariables": {
+                "CMAKE_BUILD_TYPE": "Debug",
+                "CMAKE_TOOLCHAIN_FILE": "",
+                "CMAKE_INSTALL_PREFIX": "${sourceDir}/out/install/${presetName}"
+            }
+        }
+    ]
+}
\ No newline at end of file