diff --git a/main.py b/main.py
index 4c0c135f61696bcf42c375ca5ab62aa5b105afc8..7f493ecd69eea798cfc4a3cd025ccca4ab1e8584 100644
--- a/main.py
+++ b/main.py
@@ -1 +1,16 @@
-print('欢迎来到 InsCode')
\ No newline at end of file
+def main():
+    a = int(input("请输入a的值:"))
+    b = int(input("请输入b的值:"))
+    if b == 0:
+        print("data error")
+        return -1
+    else:
+        c = a % b
+        while c != 0:
+            a = b
+            b = c
+            c = a % b
+    print(b)
+
+
+main()
\ No newline at end of file
diff --git a/test01.py b/test01.py
new file mode 100644
index 0000000000000000000000000000000000000000..7f493ecd69eea798cfc4a3cd025ccca4ab1e8584
--- /dev/null
+++ b/test01.py
@@ -0,0 +1,16 @@
+def main():
+    a = int(input("请输入a的值:"))
+    b = int(input("请输入b的值:"))
+    if b == 0:
+        print("data error")
+        return -1
+    else:
+        c = a % b
+        while c != 0:
+            a = b
+            b = c
+            c = a % b
+    print(b)
+
+
+main()
\ No newline at end of file