diff --git a/BDPng.cpp b/BDPng.cpp
deleted file mode 100644
index 90f6de1..0000000
--- a/BDPng.cpp
+++ /dev/null
@@ -1,5 +0,0 @@
-#include <iostream>
-
-void say_hello(){
-    std::cout << "Hello, from BDPng!\n";
-}
diff --git a/CMakeLists.txt b/CMakeLists.txt
index f36edb9..fa1733f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,28 @@
 cmake_minimum_required(VERSION 3.10.0)
 project(BDPng VERSION 0.1.0 LANGUAGES C CXX)
 
-add_library(BDPng BDPng.cpp)
+set(CMAKE_CXX_STANDARD 20)
+set(CMAKE_CXX_STANDARD_REQUIRED True)
+
+# 定义源文件
+set(${PROJECT_NAME}_SOURCES
+        src/BDPng.cpp)
+
+# 生成静态库
+add_library(${PROJECT_NAME}_static STATIC ${${PROJECT_NAME}_SOURCES})
+target_include_directories(${PROJECT_NAME}_static PUBLIC include)
+set_target_properties(${PROJECT_NAME}_static PROPERTIES
+        OUTPUT_NAME ${PROJECT_NAME}
+        PREFIX lib)
+
+add_compile_definitions(PSS_DLL_MODE)
+
+# 生成动态库
+add_library(${PROJECT_NAME}_shared SHARED ${${PROJECT_NAME}_SOURCES})
+target_include_directories(${PROJECT_NAME}_shared PUBLIC include)
+set_target_properties(${PROJECT_NAME}_shared PROPERTIES
+        OUTPUT_NAME ${PROJECT_NAME}
+        PREFIX lib)
 
 include(CTest)
 enable_testing()
diff --git a/src/bdpng.cpp b/src/bdpng.cpp
new file mode 100644
index 0000000..473a0f4