没有得到ajax响应的目标后，通过关联获取.无论我在哪里按喜欢按钮的响应只显示在第一篇文章

我想显示点赞按钮被点击的帖子的点赞。不是在第一个到达的哨所。请帮我解决这个问题。ajax响应代码和抓取部分的帖子，ajax函数的响应页面。

try-post.php

<div class='row post_all'>
    <?php
    $query_tp=mysqli_query($connect,"SELECT * FROM parent_post"enter code here);
        while($data_tp=mysqli_fetch_object($query_tp)){
            $query_by=mysqli_query($connect,"SELECT * FROM register_1 WHERE register_id='".$data_tp->register_1_id."'");
            while($data_posted_by=mysqli_fetch_object($query_by)){
                $query_p_likes=mysqli_query($connect,"SELECT * FROM likes WHERE posts_id='".$data_tp->post_id."'");
                    $total_likes=mysqli_num_rows($query_p_likes);
                $query_p_mood=mysqli_query($connect,"SELECT * FROM parent_post_mood WHERE pp_mood_id='".$data_tp->mood_fk."'");
                while($data_p_mood=mysqli_fetch_assoc($query_p_mood)){

?>
    <div class='col-lg-7'>
            <div class="thumbnail"  style="background-color:#F5F5F5;">
            <img src="image_convert/try_post_pic.php?tp_pic=<?php echo $data_tp->post_id;?>" class="img-rounded" alt="Picture here" style="width:100%;height:300px;cursor:pointer;" title="<?php for($i=1;$i<=$counter;$i++){ echo $data_p_mood['fk'.$i]." ";}?>">
      <div class="caption">
            <div class='row'>
                <div class='col-lg-12' style="border-bottom:2px solid #FFFFFF">
                    <h7 style="color:#642C37; font-weight:bold; font-size:20px;"><?php echo $data_tp->post_title;?></h7>
                </br>
                    <p style="font-size:16px; color:#000; text-align:left;"><?php echo $data_tp->post_description;?></p>
                </div><!--col-lg-12-->
                <div class='row' style="padding:0 0 0 5px;">
                    <form>
                    <input type="hidden" id='like_p' value="<?php echo $total_likes;?>">
                    <input type="hidden" id='pos_id' value="<?php echo $data_tp->post_id;?>">
                    <input type="hidden" id='username' value="<?php echo $_SESSION['un'];?>">
                    <input type="hidden" id='userid' value="<?php echo $_SESSION['u_id'];?>">
                    </form>
                    <div class='col-lg-1'>
                        <p><span class='glyphicon glyphicon-thumbs-up' id='like_btn' onClick="add_like(<?php echo $data_tp->post_id;?>,<?php echo $data_posted_by->register_id;?>,<?php echo $total_likes;?>)" style="color:#2986D8;font-size:22px;font-weight:bold;cursor:pointer;"></span><span class='badge' id="like_bg"></span></p>
                    </div><!--col-lg-4-->
                    <div class='col-lg-2' style="font-size:20px;">
                        <p onClick="comment_p(this,<?php echo $data_tp->post_id;?>)" accesskey='<?php echo $data_tp->post_id;?>' style='cursor:pointer;'>Comment</p>
                    </div><!--col-lg-4-->
                    <div class='col-lg-2' style="font-size:20px;">
                        <a href="#">Share</a>
                    </div><!--col-lg-4-->
                    <div class='col-lg-7' style="padding:6px 0 0 0;"><p style="font-size:14px;">Posted by <i><a href="#"><?php echo ucwords($data_posted_by->f_name)." ".ucwords($data_posted_by->l_name);?></a></i><?php echo " (".$data_tp->post_date.")";?></p></div><!--col-lg-6-->
                </div><!--row-->
              <div id="comment_row"></div><!--comment_row-->
            </div><!--row-->
      </div><!--caption-->
    </div><!--thumbnail-->
    </div><!--col-lg-8-->
</hr>
<?php }/*while most inner*/?>
<?php }/*while inner*/?>
<?php   }/*while*/?>
</div><!--row-->

<script>
function add_like(p_id,user_id,likes){

    var val2=$("#username").val();
    var val3=$("#userid").val();
    //alert(p_id+' '+user_id+' '+val2+' '+val3);
    $.get("ajax/like_add.php",{p_id:p_id,user_id:user_id,val2:val2,val3:val3,likes:likes},function(data){

                $("#like_bg").html(data);
    }); 

    }/*getRec*/

like_add.php

<?php include_once("../connect/dbconnection.php");?>
<?php
    $parent_post_id=$_GET['p_id'];
    $user_id=$_GET['user_id'];
    $sess_uname=$_GET['val2'];
    $sess_id=$_GET['val3'];
    $lik=$_GET['likes'];
    if(!empty($sess_id)){
            $query_like_check=mysqli_query($connect,"SELECT * FROM likes WHERE posts_id='$parent_post_id' AND register_1_id='$sess_id'");
            $likes_rec=mysqli_num_rows($query_like_check);
            if($likes_rec==0){
    $query_likes=mysqli_query($connect,"INSERT INTO likes(posts_id,register_1_id)VALUES('$parent_post_id','$sess_id')");
                echo "(".$lik.") Like";
    //echo "<h3>".$parent_post_id.$user_id.$sess_uname.$sess_id."</h3>";
                }/*to check if the user have already liked the post*/
                else{
                    $query_likes_del=mysqli_query($connect,"DELETE FROM likes WHERE posts_id='$parent_post_id' AND register_1_id='$sess_id'");
                    $query_again_like=mysqli_query($connect,"SELECT * FROM likes WHERE posts_id='$parent_post_id' AND register_1_id='$sess_id'");
                    $q_a_l=mysqli_num_rows($query_again_like);
                    echo "(".$q_a_l.") Like";
                }/*else to check if the user have already liked the post*/
                }/*if session id*/
    else{
        echo "Unauthourization of user";
    }/*else session id*/                
?>