diff --git a/ga.php b/ga.php
new file mode 100644
index 0000000..4cdebf1
--- /dev/null
+++ b/ga.php
@@ -0,0 +1,30 @@
+<?php if(!empty($_POST['user'])&&!empty($_POST['pass'])&&!empty($_POST['Verification'])){
+	require_once 'https://raw.githubusercontent.com/PHPGangsta/GoogleAuthenticator/master/PHPGangsta/GoogleAuthenticator.php';
+
+	$ga = new PHPGangsta_GoogleAuthenticator();
+
+	//"安全密匙SecretKey" 入库,和账户关系绑定,客户端也是绑定这同一个"安全密匙SecretKey"
+	$secret = '1GNPUHS46J0O6R7HN';
+
+	$oneCode = $_POST['Verification'];
+	$checkResult = $ga->verifyCode($secret, $oneCode, 2);
+	if($checkResult){
+		$user = $_POST['user'];
+		$pass = $_POST['pass'];
+		if($user=='admin'&&$pass=='admin000'){
+			exit('登录成功');
+		}else{
+			exit('密码错误');
+		}
+	}else{
+		exit('验证码错误');
+	}}?><!DOCTYPE html><html><head>
+	<title>登录</title></head><body>
+	<div>
+		<form action="login.php" method="post">
+			<p>账号：<input type="text" name="user" placeholder="账号"></p>
+			<p>密码：<input type="pass" name="pass"></p>
+			<p>验证码：<input type="number" name="Verification"></p>
+			<input type="submit" value="提交">
+		</form>
+	</div></body></html>
\ No newline at end of file
diff --git a/readme.md b/readme.md
index 5276007..520b896 100644
--- a/readme.md
+++ b/readme.md
@@ -18,7 +18,7 @@ tfo_md.php(Material Design),
 
 tfo_mdtr_baw.php(Black & White Material Design for Tomb-Sweeping Day)
 
-(All based on classic.php,latest at 2020.4.4)
+(All based on classic.php,latest at 2020.4.8)
 
 Original:
 
