Mod-rewrite和php在get方法中没有工作

Having problem in mod-rewrite .HTACCESS and php. I have a page name users.php this page display selected user and my normal link is like this users.php?member=John then i changed it to clean url like this users/member/John but my problem is when you visit the page using normal url it will work fine but now i have rewrite it in my .HTACCESS it will take me to user page but not information will display it will be empty

Here is my .HTACCESS

RewriteCond %{THE_REQUEST} ^[A-Z]{3,}\s/+users\.php\?member=([^\s&]+) [NC]
RewriteRule ^ users/member/%1? [R=301,L]
RewriteRule ^users/member/([^/]+)/?$ users.php?member=$1 [L,QSA]

HERE IS MY PHP CODE

<?php

  if(isset($_GET['member'])) { 


include($root . '_inc/dbconn.php');

try{

      $db_conn = new PDO('mysql:host='.DB_HOST.';dbname='.DB_NAME,DB_USERNAME,DB_PASSWORD);
      $db_conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
      $stmtData = $db_conn->prepare("SELECT * FROM users WHERE username=:getmember ");
      $stmtData->bindParam(":getmember", $_GET['member']);
      $stmtData->execute();

    $UserData = $stmtData->fetch(PDO::FETCH_OBJ);
    if ($UserData) {
         $Dusername  = $UserData->username;
         $Dphoto = $UserData->photo;
         $Demail = $UserData->email;

      }
}
catch(PDOException $e)
    {
    echo "Error:" . $e->getMessage();
    }
$db_conn = null;
}

?>
<?php echo $Dusername;?>

The problem is your RewriteCond. You have to negate the condition (note the '!' sign):

RewriteCond %{REQUEST_URI} !^[A-Z]{3,}\s/+users\.php\?member=([^\s&]+) [NC]
RewriteRule ^users/member/%1? [R=301,L]
RewriteRule ^users/member/([^/]+)/?$ users.php?member=$1 [L,QSA]

You can test your Rewrite Rules on online htaccess tester.