diff --git a/CMake构建/v1/CMakeLists.txt b/CMake构建/v1/CMakeLists.txt
new file mode 100644
index 0000000..1223d3d
--- /dev/null
+++ b/CMake构建/v1/CMakeLists.txt
@@ -0,0 +1,3 @@
+cmake_minimum_required(VERSION 3.2)
+project(test)
+add_executable(app add.cpp div.cpp mult.cpp main.cpp sub.cpp)
\ No newline at end of file
diff --git a/CMake构建/v1/add.cpp b/CMake构建/v1/add.cpp
new file mode 100644
index 0000000..b414f7c
--- /dev/null
+++ b/CMake构建/v1/add.cpp
@@ -0,0 +1,9 @@
+#include <stdio.h>
+#include "head.h"
+
+const char* libVersion = "Library Version 1.0";
+
+int add(int a, int b)
+{
+    return a+b;
+}
\ No newline at end of file
diff --git a/CMake构建/v1/div.cpp b/CMake构建/v1/div.cpp
new file mode 100644
index 0000000..b1adf90
--- /dev/null
+++ b/CMake构建/v1/div.cpp
@@ -0,0 +1,7 @@
+#include <stdio.h>
+#include "head.h"
+
+double divide(int a, int b)
+{
+    return (double)a/b;
+}
\ No newline at end of file
diff --git a/CMake构建/v1/head.h b/CMake构建/v1/head.h
new file mode 100644
index 0000000..246461f
--- /dev/null
+++ b/CMake构建/v1/head.h
@@ -0,0 +1,11 @@
+#ifndef _HEAD_H
+#define _HEAD_H
+
+int add(int a, int b);
+
+int subtract(int a, int b);
+
+double divide(int a, int b);
+
+int multiply(int a, int b);
+#endif
\ No newline at end of file
diff --git a/CMake构建/v1/main.cpp b/CMake构建/v1/main.cpp
new file mode 100644
index 0000000..30862eb
--- /dev/null
+++ b/CMake构建/v1/main.cpp
@@ -0,0 +1,14 @@
+#include <stdio.h>
+#include "head.h"
+
+int main()
+{
+    int a = 20;
+    int b = 12;
+    printf("a = %d, b = %d\n", a, b);
+    printf("a + b = %d\n", add(a, b));
+    printf("a - b = %d\n", subtract(a, b));
+    printf("a * b = %d\n", multiply(a, b));
+    printf("a / b = %f\n", divide(a, b));
+    return 0;
+}
\ No newline at end of file
diff --git a/CMake构建/v1/mult.cpp b/CMake构建/v1/mult.cpp
new file mode 100644
index 0000000..257e056
--- /dev/null
+++ b/CMake构建/v1/mult.cpp
@@ -0,0 +1,7 @@
+#include <stdio.h>
+#include "head.h"
+
+int multiply(int a, int b)
+{
+    return a*b;
+}
\ No newline at end of file
diff --git a/CMake构建/v1/sub.cpp b/CMake构建/v1/sub.cpp
new file mode 100644
index 0000000..3199359
--- /dev/null
+++ b/CMake构建/v1/sub.cpp
@@ -0,0 +1,7 @@
+#include <stdio.h>
+#include "head.h"
+
+int subtract(int a, int b)
+{
+    return a-b;
+}
\ No newline at end of file