diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..aeaa683
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,5 @@
+################################################################################
+# 此 .gitignore 文件已由 Microsoft(R) Visual Studio 自动创建。
+################################################################################
+
+/build
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..2cbbc9b
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,18 @@
+cmake_minimum_required(VERSION 3.16)
+
+project(certificate)
+
+FILE(GLOB SRC src/*.cpp)
+FILE(GLOB HEAD include/*.h)
+FILE(GLOB API include/api/*.h)
+
+add_executable(${PROJECT_NAME} ${SRC} ${HEAD} ${API} README.md)
+
+target_include_directories(${PROJECT_NAME} PUBLIC include)
+
+if (MSVC)
+	target_compile_options(${PROJECT_NAME} PRIVATE /WX /utf-8)
+endif()
+
+source_group("API" FILES  ${API})
+source_group("DOC" FILES  README.md)
diff --git a/README.md b/README.md
index 93f7065..46d405a 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,9 @@
 # certificate
-软件证书验证
+帮助软件注册和证书验证
+
+1. 命名空间的定义
+- os
+与操作系统相关的操作统一在os下
+
+2. 接口的定义
+3. 对象说明
\ No newline at end of file
diff --git a/include/api/cerdef.h b/include/api/cerdef.h
new file mode 100644
index 0000000..7b9637e
--- /dev/null
+++ b/include/api/cerdef.h
@@ -0,0 +1 @@
+#pragma once
\ No newline at end of file
diff --git a/include/api/certificate.h b/include/api/certificate.h
new file mode 100644
index 0000000..5f9833e
--- /dev/null
+++ b/include/api/certificate.h
@@ -0,0 +1,21 @@
+#pragma once
+
+#include <stdint.h>
+
+namespace util {
+
+	class Ceroptions;
+	
+	class ICertificate {
+	public:
+
+		// ��ȡ��Ӳ����صı�ʶ
+		virtual void GetMachineCode(char* code, uint16_t len) = 0;
+
+		// ����֤��
+		virtual void CreateCertificate(Ceroptions* op) = 0;
+
+		// ��֤֤��
+		virtual bool Verification(const char* lic) = 0;
+	};
+}
\ No newline at end of file
diff --git a/src/certificate.cpp b/src/certificate.cpp
new file mode 100644
index 0000000..3997abd
--- /dev/null
+++ b/src/certificate.cpp
@@ -0,0 +1,6 @@
+#include <iostream>
+
+int main()
+{
+	return 0;
+}
\ No newline at end of file