diff --git a/login/dangky.php b/login/dangky.php
new file mode 100644
index 0000000..c2f66af
--- /dev/null
+++ b/login/dangky.php
@@ -0,0 +1,34 @@
+<?php
+    include "../config.php";
+    function checkUser( $username ){
+        global $conn;
+        $sql = "select email from nguoidung where email = '$username'";
+        $result = mysqli_query( $conn, $sql );
+        if( mysqli_num_rows( $result ) > 0 ){
+//            echo "true";
+            return true;
+        }
+//        echo "false";
+        return false;
+    }
+    if( isset( $_POST['username'] ) and isset( $_POST['password'] ) ){
+        $check = checkUser( $_POST['username'] );
+        $username = $_POST['username'];
+        $password = $_POST['password'];
+        if( $check == true ){
+            header("location:index.php");
+        } else{
+            if( $password != "" ){
+                $password = md5( $password );
+                $sql = "insert into nguoidung set email = '$username', pass = '$password'";
+                mysqli_query( $conn, $sql );
+                header("location:../signup/");
+            } else {
+                header("location:index.php");
+            }
+
+        }
+    } else {
+        header("location:index.php");
+    }
+?>
\ No newline at end of file
diff --git a/login/index.php b/login/index.php
index e9b3f90..80fd031 100644
--- a/login/index.php
+++ b/login/index.php
@@ -56,7 +56,7 @@
                     <a href="#"><i class="halflings-icon cog"></i></a>
                 </div>
                 <h2>Login to your account</h2>
-                <form class="form-horizontal" action="index.html" method="post">
+                <form class="form-horizontal" action="dangky.php" method="post">
                     <fieldset>
 
                         <div class="input-prepend" title="Username">
@@ -74,7 +74,7 @@
                         <label class="remember" for="remember"><input type="checkbox" id="remember" />Remember me</label>
 
                         <div class="button-login">
-                            <button type="submit" class="btn btn-primary">Login</button>
+                            <button type="submit" class="btn btn-primary">Đăng ký</button>
                         </div>
                         <div class="clearfix"></div>
                 </form>
diff --git a/signup/dangnhap.php b/signup/dangnhap.php
new file mode 100644
index 0000000..ebaa0e7
--- /dev/null
+++ b/signup/dangnhap.php
@@ -0,0 +1,28 @@
+<?php
+    include "../config.php";
+    // lay password voi username nhap vao
+    function getPassword( $username ){
+        global $conn;
+        $sql = "select pass from nguoidung where email = '$username'";
+        $result = mysqli_query( $conn, $sql );
+        if( mysqli_num_rows( $result ) > 0 ){
+            $row = mysqli_fetch_array( $result, MYSQL_ASSOC );
+            $pass = $row['pass'];
+            return $pass;
+        } else return false;
+    }
+    if( isset( $_POST['username'] ) and isset( $_POST['password'] ) ){
+        $pass = getPassword( $_POST['username'] );
+        if( $pass == false ){
+            header("location:index.php");
+        } else{
+            echo $pass;
+            if( md5( $_POST['password'] ) == $pass ){
+                header("location:../index.php");
+            } else {
+                header("location:index.php");
+            }
+        }
+    }
+
+?>
\ No newline at end of file
diff --git a/signup/index.php b/signup/index.php
index e9b3f90..de10c62 100644
--- a/signup/index.php
+++ b/signup/index.php
@@ -46,6 +46,9 @@
 </head>
 
 <body>
+<?php
+    echo md5("123");
+?>
 <div class="container-fluid-full">
     <div class="row-fluid">
 
@@ -56,7 +59,7 @@
                     <a href="#"><i class="halflings-icon cog"></i></a>
                 </div>
                 <h2>Login to your account</h2>
-                <form class="form-horizontal" action="index.html" method="post">
+                <form class="form-horizontal" action="dangnhap.php" method="post">
                     <fieldset>
 
                         <div class="input-prepend" title="Username">
