การแก้ไขรูป รูปในฐานข้อมูลเปลี่ยนแต่รูปตรงที่แสดงไม่แสดง ต้องใส่ code อะไรเพิ่มค่ะ หรือว่าผิดตรงไหน

<? 
		include ("connectDB.php");
		if ($activityid>0){
$path="Img/Activity/";
if(trim($_FILES["activityphoto"]["tmp_name"]) != ""){
@unlink ($path."$_POST[oldfile]");
$images = $_FILES["activityphoto"]["name"];
$tmp = $_FILES["activityphoto"]["tmp_name"];
$new_images = $_FILES["activityphoto"]["name"];
move_uploaded_file($tmp,$path."/".$new_images);
}else{
$images = $_POST["oldfile"];
$new_images = $images;
}	
		mysql_query ("SET NAMES utf8") or die (mysql_errno());
		$sql = "UPDATE `database`.`activity` 
		SET 	`ActivityPhoto` = '$new_images',
				`ActivityDate` = '$activitydate',
				`ActivityName` = '$activityname',
				`Description` = '$description'
		WHERE `activity`.`ActivityID` ='$activityid' ;";
			mysql_query($sql);
			}
		mysql_query ("SET NAMES utf8") or die (mysql_errno());
		$sql = "SELECT * FROM `activity` ORDER BY activityid DESC";
		$result = mysql_query($sql);
		echo"<table width='95%' border='1' style='border-collapse: collapse' bordercolor='#A59A1B'  bgcolor='#D3BC38' ><tr align='center'>
			<td><b>ลำดับ</b></td>
			<td><b>ภาพกิจกรรม</b></td>
			<td><b>วันที่</b></td>
			<td><b>ชื่อกิจกรรม</b></td>
			<td><b>รายละเอียด</b></td>
			<td><b>แก้ไข</b>
			</tr>";
		while($row=mysql_fetch_array($result)){
			$activityid = $row["ActivityID"];
			$activitydate = $row["ActivityDate"];
			$activityname = $row["ActivityName"];
			$description = $row["Description"];
			$activityphoto = $row["ActivityPhoto"];
			echo "<tr bgcolor=#D3BC38 align=center><form id=form1 name=form1 method=post action=Activity3.php enctype=multipart/form-data>";
			echo "<td>$activityid<input type=hidden name=activityid value=$activityid></td>";
			echo "<td><img width=100 height=100 border=1 src=$activityphoto><input size=10 type=file name=activityphoto id=activityphoto><input type=hidden name=oldfile value=$row[ActivityPhoto]></td>";
			echo "<td><input name=activitydate type=text value=$activitydate></td>";
			echo "<td><input name=activityname type=text value=$activityname></td>";
			echo "<td><textarea name=description style=width:200px;height:15px;>$description</textarea></td>";
			echo "<td><input type=submit name=Edit id=Edit  value=Edit onclick=return confirm('คุณแน่ใจว่าต้องการแก้ไขข้อมูลนี้หรือไม่ ? ') />";
			echo "</td></form></tr>";
		}
		echo "</table>";
	?>

<?php
	if(!empty($activitydate) and !empty($activityname) and !empty($description) and !empty($activityphoto))
	include("connectDB.php");
	$photo=$HTTP_POST_FILES['activityphoto']['name'];
	$str=substr($photo,-3,3);
	if(is_uploaded_file($_FILES['activityphoto']['tmp_name']))
	{
		copy($HTTP_POST_FILES['activityphoto']['tmp_name'],"./Img/Activity/$photo");
		$Url="Img/Activity/$photo";
		$Filename=$HTTP_POST_FILES['activityphoto']['name'];
		$size=$HTTP_POST_FILES['activityphoto']['size']/1024/1024;
		$size1=number_format($size,3);
	};
	mysql_query ("SET NAMES utf8") or die (mysql_errno());
	$sql = "INSERT INTO activity (ActivityDate,ActivityName,Description,ActivityPhoto)
VALUES('$activitydate','$activityname','$description','$Url')";
	mysql_query ($sql) or die("กรุณากรอกข้อมูลให้ครบถ้วน");
	echo "<script> alert('การบันทึกเสร็จสมบูรณ์'); window.location = 'Activity2.php'; </script>";
exit;
?>