i need to show the image displayed in database but it shows default image
<?php
$link = new PDO("mysql:host=localhost;dbname=campusdrive", "root", "");
$link->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
$Sql = "SELECT Image FROM student_form WHERE Sessionid = :Sessionid";
$stmt = $link->prepare($Sql);
$stmt->bindParam(":Sessionid", $sessionid, PDO::PARAM_STR);
$sessionid = session_id();
$stmt->execute();
$count = $stmt->fetchAll();
if($users = $stmt->fetchColumn()){
echo '<img src="data:image; base64,'.base64_encode($count['Image']).'" style="margin-top: 100px;width: 100px; height: 100px; border-radius: 50px;">';
} else {
echo '<i class="fa fa-user-circle" style="font-size: 50px;"></i>';
}
?>