diff --git a/hwe/j_diplomacy_destroy_letter.php b/hwe/j_diplomacy_destroy_letter.php
new file mode 100644
index 00000000..2f9f4529
--- /dev/null
+++ b/hwe/j_diplomacy_destroy_letter.php
@@ -0,0 +1,134 @@
+<?php
+namespace sammo;
+
+include "lib.php";
+include "func.php";
+//로그인 검사
+$session = Session::requireGameLogin()->setReadOnly();
+$userID = Session::getUserID();
+
+$db = DB::db();
+
+$letterNo = Util::getReq('letterNo', 'int');
+
+increaseRefresh("외교부", 1);
+
+$me = $db->queryFirstRow('SELECT no, name, nation, level, permission, con, turntime, belong, penalty, picture, imgsvr FROM general WHERE owner=%i', $userID);
+
+$con = checkLimit($me['con']);
+if ($con >= 2) {
+    Json::die([
+        'result'=>false,
+        'reason'=>'접속 제한입니다.'
+    ]);
+}
+
+if($letterNo === null){
+    Json::die([
+        'result'=>false,
+        'reason'=>'올바르지 않은 입력입니다.'
+    ]);
+}
+
+
+$permission = checkSecretPermission($me);
+if ($permission < 4) {
+    Json::die([
+        'result'=>false,
+        'reason'=>'권한이 부족합니다. 수뇌부가 아닙니다.'
+    ]);
+}
+
+$letter = $db->queryFirstRow('SELECT * FROM ng_diplomacy WHERE no=%i AND (src_nation_id = %i OR dest_nation_id = %i) AND state = \'activated\'', $letterNo, $me['nation'], $me['nation']);
+if(!$letter){
+    Json::die([
+        'result'=>false,
+        'reason'=>'서신이 없습니다.'
+    ]);
+}
+
+
+$aux = Json::decode($letter['aux']);
+
+
+$stateOpt = $aux['state_opt']??null;
+
+if(($stateOpt == 'try_destroy_src' && $letter['src_nation_id'] == $me['nation'])||
+($stateOpt == 'try_destroy_dest' && $letter['dest_nation_id'] == $me['nation'])){
+    Json::die([
+        'result'=>false,
+        'reason'=>'이미 파기 신청을 했습니다.'
+    ]);
+}
+
+$srcNation = getNationStaticInfo($letter['src_nation_id']);
+$destNation = getNationStaticInfo($letter['dest_nation_id']);
+$me['icon'] = GetImageURL($me['imgsvr'], $me['picture']);
+
+
+if($letter['src_nation_id'] == $me['nation']){
+    $src = new MessageTarget($me['no'], $me['name'], $srcNation['nation'], $srcNation['name'], $srcNation['color'], $me['icon']);
+    $dest = new MessageTarget(0, '', $destNation['nation'], $destNation['name'], $destNation['color']);
+}
+else{
+    $src = new MessageTarget($me['no'], $me['name'], $destNation['nation'], $destNation['name'], $destNation['color'], $me['icon']);
+    $dest = new MessageTarget(0, '', $srcNation['nation'], $srcNation['name'], $srcNation['color']);
+}
+
+
+$now = new \DateTime();
+$unlimited = new \DateTime('9999-12-31');
+
+if(in_array($stateOpt, ['try_destroy_src', 'try_destroy_dest'])){
+    $deleteLetterNo = $letterNo;
+    $db->update('ng_diplomacy', [
+        'state'=>'cancelled',
+        'aux'=>Json::encode($aux)
+    ], 'no=%i', $letterNo);
+    while(true){
+        $deleteLetter = $db->queryFirstRow('SELECT prev_no, aux FROM ng_diplomacy WHERE no = %i AND state = \'replaced\'', $currentLetterNo);
+        if(!$deleteLetter){
+            break;
+        }
+        $deleteAux = Json::decode($deleteLetter['aux']);
+        $deleteLetterNo = $deleteLetter['prev_no'];
+        $deleteAux['reason'] = [
+            'who'=>$me['no'],
+            'action'=>'destroy',
+            'reason'=>'파기'
+        ];
+    }
+    $msgText = "외교 서신 #{$letterNo}를 파기했습니다.";
+    $lastState = 'cancelled';
+}
+else{
+    if ($letter['src_nation_id'] == $me['nation']) {
+        $aux['state_opt'] = 'try_destroy_src';
+    }
+    else{
+        $aux['state_opt'] = 'try_destroy_dest';
+    }
+    $db->update('ng_diplomacy', [
+        'aux'=>Json::encode($aux)
+    ], 'no=%i', $letterNo);
+
+    $msgText = "외교 서신 #{$letterNo}를 파기 요청합니다.";
+    $lastState = 'activated';
+}
+
+$msg = new Message(
+    Message::MSGTYPE_DIPLOMACY,
+    $src,
+    $dest,
+    $msgText,
+    $now,
+    $unlimited,
+    ['invalid' => true]
+);
+$msgID = $msg->send();
+
+Json::die([
+    'result'=>true,
+    'reason'=>'success',
+    'state'=>$lastState
+]);
\ No newline at end of file
diff --git a/hwe/j_diplomacy_get_letter.php b/hwe/j_diplomacy_get_letter.php
index 6486ec9c..e47bc957 100644
--- a/hwe/j_diplomacy_get_letter.php
+++ b/hwe/j_diplomacy_get_letter.php
@@ -59,6 +59,7 @@ foreach(
         'dest'=>$letter['dest'],
         'prev_no'=>$letter['prev_no'],
         'state'=>$letter['state'],
+        'state_opt'=>($letter['aux']['state_opt']??null),
         'brief'=>$letter['text_brief'],
         'detail'=>$letter['text_detail'],
         'date'=>$letter['date']
diff --git a/hwe/js/diplomacy.js b/hwe/js/diplomacy.js
index 9399459a..b9e3ec19 100644
--- a/hwe/js/diplomacy.js
+++ b/hwe/js/diplomacy.js
@@ -65,12 +65,10 @@ function repondLetter(letterNo, isAgree, reason){
         }
     }).then(function(data){
         if(!data){
-            $text.val(text);
             alert()
             return quickReject('응답을 실패했습니다.');
         }
         if(!data.result){
-            $text.val(text);
             return quickReject('응답을 실패했습니다. : '+data.reason);
         }
 
@@ -101,16 +99,86 @@ function rollbackLetter(letterNo){
         }
     }).then(function(data){
         if(!data){
-            $text.val(text);
             alert()
             return quickReject('회수를 실패했습니다.');
         }
         if(!data.result){
-            $text.val(text);
             return quickReject('회수를 실패했습니다. : '+data.reason);
         }
 
-        alert('회수했습니다.');
+        alert('회수 했습니다.');
+
+        location.reload();
+        return false;
+
+    }, errUnknown)
+    .fail(function(reason){
+        alert(reason);
+    });
+
+    return false;
+}
+
+function destoryLetter(letterNo){
+    $.post({
+        url:'j_diplomacy_destory_letter.php',
+        dataType:'json',
+        data:{
+            letterNo:letterNo,
+        }
+    }).then(function(data){
+        if(!data){
+            alert()
+            return quickReject('파기를 실패했습니다.');
+        }
+        if(!data.result){
+            return quickReject('파기를 실패했습니다. : '+data.reason);
+        }
+
+        if(data.state == 'activated'){
+            alert('파기를 요청 했습니다.');
+        }
+        else{
+            alert('파기 되었습니다.');
+        }
+
+        location.reload();
+        return false;
+
+    }, errUnknown)
+    .fail(function(reason){
+        alert(reason);
+    });
+
+    return false;
+}
+
+function destroyLetter(letterNo){
+    var actionName = '회수를 ';
+    var target = 'j_diplomacy_rollback_letter.php';
+    if(!isRollback){
+        actionName = '파기 요청을 '
+        target = 'j_diplomacy_destroy_letter.php';
+    }
+    $.post({
+        url:target,
+        dataType:'json',
+        data:{
+            letterNo:letterNo,
+        }
+    }).then(function(data){
+        if(!data){
+            alert()
+            return quickReject(actionName+'실패했습니다.');
+        }
+        if(!data.result){
+            return quickReject(actionName+'실패했습니다. : '+data.reason);
+        }
+
+        if(isRollback){
+            
+        }
+        alert(actionName+'했습니다.');
 
         location.reload();
         return false;
@@ -170,7 +238,16 @@ function drawLetter(idx, letterObj){
         'cancelled':'거부됨',
         'replaced':'대체됨',
     };
+
+    var stateOptionText = {
+        'try_destroy_src':'송신측의 파기 요청',
+        'try_destroy_dest':'수신측의 파기 요청',
+    }
     $letter.find('.letterStatus').text(stateText[letterObj.state]);
+
+    if(letterObj.state_opt !== null){
+        $letter.find('.letterStatusOpt').text('('+stateOptionText[letterObj.state_opt]+')');
+    }
     if(letterObj.prev_no !== null){
         var $showPrev = $('<a href="#">#{0}</a>'.format(letterObj.prev_no));
         $showPrev.click(function(){
@@ -216,9 +293,26 @@ function drawLetter(idx, letterObj){
             if(!confirm('회수하시겠습니까?')){
                 return false;
             }
-            return rollbackLetter(letterObj.no, false);
+            return rollbackLetter(letterObj.no);
         });
-    }   
+    }
+
+    if(letterObj.state == 'activated'){
+        var $btnDestroy = $letter.find('.btnDestroy');
+        if((letterObj.src.nationID==myNationID && letterObj.state_opt == 'try_destroy_src') || 
+            (letterObj.dest.nationID==myNationID && letterObj.state_opt == 'try_destroy_dest')){
+            $btnDestroy.show().prop('disabled', true);
+        }
+        else{
+            $btnDestroy.show().click(function(){
+                if(!confirm('본 문서를 파기하겠습니까? (상호 동의 필요)')){
+                    return false;
+                }
+                return destroyLetter(letterObj.no);
+            })
+            
+        }
+    }
     
 
     $letter.find('.btnRenew').click(function(){
@@ -320,6 +414,7 @@ function drawLetters(lettersObj){
 
     if(permissionLevel == 4){
         initNewLetterForm(lettersObj);
+        $('.letterActionPlate').show();
     }
 
     $('.letterObj').detach();//첫 버전이니까 일괄 삭제 일괄 로드
diff --git a/hwe/t_diplomacy.php b/hwe/t_diplomacy.php
index 58fa7c31..3091cf4b 100644
--- a/hwe/t_diplomacy.php
+++ b/hwe/t_diplomacy.php
@@ -89,7 +89,7 @@ var permissionLevel = <?=$permission?>; //
         <tbody>
             <tr><th class='bg1'>문서 번호</th><td><span class='letterNo'></span></td></tr>
             <tr><th class='bg1'>이전 문서</th><td><span class='letterPrevNo'></span></td></tr>
-            <tr><th class='bg1'>상태</th><td><span class='letterStatus'></span></td></tr>
+            <tr><th class='bg1'>상태</th><td><span class='letterStatus'></span><span class='letterStatusOpt'></span></td></tr>
             <tr><th class='bg1'>내용(국가 내 공개)</th><td><div class='letterBrief'></div></td></tr>
             <tr><th class='bg1'>내용(외교권자 전용)</th><td><div class='letterDetail'></div></td></tr>
         </tbody>
@@ -105,10 +105,11 @@ var permissionLevel = <?=$permission?>; //
                     <div class="signerName">&nbsp;</div>
                 </div>
             </td></tr>
-            <tr class='letterActionPlate'><th class='bg1'>동작</th><td>
+            <tr class='letterActionPlate' style='display:none;'><th class='bg1'>동작</th><td>
                 <button type='button' class='btnAgree' style='display:none;'>승인</button>
                 <button type='button' class='btnDisagree' style='display:none;'>거부</button>
                 <button type='button' class='btnRollback' style='display:none;'>회수</button>
+                <button type='button' class='btnDestroy' style='display:none;'>파기</button>
                 <button type='button' class='btnRenew'>추가 문서 작성</button>
             </td></tr>
         </tfoot>