diff --git a/README.md b/README.md
deleted file mode 100644
index 02cbfde..0000000
--- a/README.md
+++ /dev/null
@@ -1,2 +0,0 @@
-# double_program
-
diff --git a/doc/readme.md b/doc/readme.md
new file mode 100644
index 0000000..64999d9
--- /dev/null
+++ b/doc/readme.md
@@ -0,0 +1,7 @@
+# double_program
+
+### 发送验证码邮件功能模块
+
+使用126邮箱发送
+
+
diff --git a/src/aaa.py b/src/aaa.py
new file mode 100644
index 0000000..e2bf784
--- /dev/null
+++ b/src/aaa.py
@@ -0,0 +1,58 @@
+import smtplib
+import random
+import re
+from email.mime.text import MIMEText
+
+def is_valid_email(email):
+    # 简单邮箱格式校验
+    return re.match(r"[^@]+@[^@]+\.[^@]+", email)
+
+def send_verification_code(email, code):
+    smtp_server = 'smtp.126.com'
+    smtp_port = 25
+    sender_email = 'hape233@126.com'
+    sender_password = 'ZKcbV37TdRwgnsZC'
+
+    msg = MIMEText(f'您的验证码是：{code}')
+    msg['Subject'] = '登录验证码'
+    msg['From'] = sender_email
+    msg['To'] = email
+
+    try:
+        server = smtplib.SMTP(smtp_server, smtp_port, timeout=30)
+        server.starttls()
+        server.login(sender_email, sender_password)
+        server.sendmail(sender_email, [email], msg.as_string())
+        print("邮件发送成功")
+        return True
+    except Exception as e:
+        print(f"邮件发送失败：{e}")
+        return False
+    finally:
+        try:
+            server.quit()  
+        except:
+            server.close()  
+
+def main():
+    email = input("请输入您的邮箱：")
+    if not is_valid_email(email):
+        print("邮箱格式不正确！")
+        return
+
+    code = str(random.randint(100000, 999999))
+    try:
+        send_verification_code(email, code)
+        print("验证码已发送，请查收邮箱。")
+    except Exception as e:
+        print("验证码发送失败：", e)
+        return
+
+    user_code = input("请输入收到的验证码：")
+    if user_code == code:
+        print("登录成功！")
+    else:
+        print("验证码错误，登录失败。")
+
+if __name__ == "__main__":
+    main()
\ No newline at end of file