diff --git a/hwe/j_board_article_add.php b/hwe/j_board_article_add.php
index 5d78c074..e212a239 100644
--- a/hwe/j_board_article_add.php
+++ b/hwe/j_board_article_add.php
@@ -68,6 +68,7 @@ $db->insert('board', [
 ]);
 
 Json::die([
-    'result'=>false,
-    'reason'=>'success'
+    'result'=>true,
+    'reason'=>'success',
+    'row_id'=>$db->insertId()
 ]);
\ No newline at end of file
diff --git a/hwe/j_board_comment_add.php b/hwe/j_board_comment_add.php
index f5f8a04d..42d56c20 100644
--- a/hwe/j_board_comment_add.php
+++ b/hwe/j_board_comment_add.php
@@ -76,6 +76,7 @@ $db->insert('comment', [
 ]);
 
 Json::die([
-    'result'=>false,
-    'reason'=>'success'
+    'result'=>true,
+    'reason'=>'success',
+    'row_id'=>$db->insertId()
 ]);
\ No newline at end of file
diff --git a/hwe/j_diplomacy_respond_letter.php b/hwe/j_diplomacy_respond_letter.php
new file mode 100644
index 00000000..b2fd78ba
--- /dev/null
+++ b/hwe/j_diplomacy_respond_letter.php
@@ -0,0 +1,84 @@
+<?php
+namespace sammo;
+
+include "lib.php";
+include "func.php";
+//로그인 검사
+$session = Session::requireGameLogin()->setReadOnly();
+$userID = Session::getUserID();
+
+$db = DB::db();
+
+$letterNo = Util::getReq('letterNo', 'int');
+$isAgree  = Util::getReq('isAgree', 'bool', false);
+$reason = Util::getReq('reason', 'string', '');
+
+
+
+
+increaseRefresh("회의실", 1);
+
+$me = $db->queryFirstRow('SELECT no, nation, level, permission, con, turntime, belong, penalty 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.'
+    ]);
+}
+
+$reason = trim($reason);
+
+$letter = $db->queryFirstRow('SELECT * FROM ng_diplomacy WHERE no=%i AND dest_nation_id = %i AND state = \'proposed\'', $letterNo, $me['nation']);
+if(!$letter){
+    Json::die([
+        'result'=>false,
+        'reason'=>'서신이 없습니다.'
+    ]);
+}
+
+$aux = Json::decode($letter['aux']);
+
+if($isAgree){
+    $aux['dest']['generalName'] = $me['name'];
+    $db->update('ng_diplomacy', [
+        'state'=>'activated',
+        'dest_signer'=>$me['no'],
+        'aux'=>Json::encode($aux)
+    ], 'no=%i', $letterNo);
+    //TODO: 외교 서신에 대한 메시지를 양국에 발송해야함
+}
+else{
+    $aux['reason'] = [
+        'who'=>$me['no'],
+        'action'=>'disagree',
+        'reason'=>$reason
+    ];
+    $db->update('ng_diplomacy', [
+        'state'=>'cancelled',
+        'aux'=>Json::encode($aux)
+    ]);
+    //TODO: 외교 서신에 대한 메시지를 양국에 발송해야함
+}
+
+Json::die([
+    'result'=>true,
+    'reason'=>'success'
+]);
\ No newline at end of file
diff --git a/hwe/j_diplomacy_send_letter.php b/hwe/j_diplomacy_send_letter.php
index 56a4aeb0..70becf13 100644
--- a/hwe/j_diplomacy_send_letter.php
+++ b/hwe/j_diplomacy_send_letter.php
@@ -52,7 +52,7 @@ if(!$textBrief){
 
 
 $permission = checkSecretPermission($me);
-if ($permission < 2) {
+if ($permission < 4) {
     Json::die([
         'result'=>false,
         'reason'=>'권한이 부족합니다. 수뇌부가 아닙니다.'
@@ -89,7 +89,8 @@ if($prevNo !== null){
         $prevAux = Json::decode($prevLetter['aux']);
         $prevAux['reason'] = [
             'who'=>$me['no'],
-            'action'=>'new_letter'
+            'action'=>'new_letter',
+            'reason'=>'new_letter'
         ];
         $db->update('ng_diplomacy', [
             'state'=>'cancelled',
@@ -131,8 +132,11 @@ $db->insert('ng_diplomacy', [
     ]),
 ]);
 
+
+//TODO: 외교 서신에 대한 메시지를 양국에 발송해야함
+
 Json::die([
-    'result'=>false,
+    'result'=>true,
     'reason'=>'success',
     'row_id'=>$db->insertId()
 ]);
\ No newline at end of file