diff --git a/hwe/j_map.php b/hwe/j_map.php
index 71e13179..f68a380c 100644
--- a/hwe/j_map.php
+++ b/hwe/j_map.php
@@ -13,7 +13,7 @@ $defaultPost = [
     'neutralView' => false,
     'showMe' => true
 ];
-$post = WebUtil::parseJsonPost() + $defaultPost;
+$post = Json::decode(Util::getReq('data', 'string', '{}'));
 
 if(!$session->isGameLoggedIn()){
     $post['neutralView'] = true;
diff --git a/hwe/j_msg_decide_opt.php b/hwe/j_msg_decide_opt.php
index d0e438ef..ccad9d53 100644
--- a/hwe/j_msg_decide_opt.php
+++ b/hwe/j_msg_decide_opt.php
@@ -17,7 +17,7 @@ if (!$generalID) {
     ]);
 }
 
-$jsonPost = WebUtil::parseJsonPost();
+$jsonPost = Json::decode(Util::getReq('data', 'string', '{}'));
 
 $msgID = Util::toInt($jsonPost['msgID']??null);
 $msgResponse = $jsonPost['response']??null;
diff --git a/hwe/j_msg_get_recent.php b/hwe/j_msg_get_recent.php
index d41cad51..c2a422e8 100644
--- a/hwe/j_msg_get_recent.php
+++ b/hwe/j_msg_get_recent.php
@@ -7,8 +7,7 @@ include('func.php');
 $session = Session::requireGameLogin([])->setReadOnly();
 $userID = Session::getUserID();
 
-$jsonPost = WebUtil::parseJsonPost();
-$reqSequence = (int)Util::array_get($jsonPost['sequence'], 0);
+$reqSequence = Util::getReq('sequence', 'int', null);
 
 
 list($generalID, $nationID, $generalName) = DB::db()->queryFirstList(
diff --git a/hwe/j_msg_submit.php b/hwe/j_msg_submit.php
index f5e2a066..a4b54bcb 100644
--- a/hwe/j_msg_submit.php
+++ b/hwe/j_msg_submit.php
@@ -4,7 +4,7 @@ namespace sammo;
 include 'lib.php';
 include 'func.php';
 
-$post = WebUtil::parseJsonPost();
+$post = Json::decode(Util::getReq('data', 'string', '{}'));
 '@phan-var mixed[] $post';
 
 $v = new Validator($post);
diff --git a/hwe/js/map.js b/hwe/js/map.js
index 23ac1e9a..ec8d4af8 100644
--- a/hwe/js/map.js
+++ b/hwe/js/map.js
@@ -439,14 +439,15 @@ function reloadWorldMap(option){
         url: option.targetJson,
         type: 'post',
         dataType:'json',
-        contentType: 'application/json',
-        data: JSON.stringify({
-            neutralView:option.neutralView,
-            year:option.year,
-            month:option.month,
-            showMe:option.showMe,
-            aux:option.aux
-        })
+        data: {
+            data: JSON.stringify({
+                neutralView:option.neutralView,
+                year:option.year,
+                month:option.month,
+                showMe:option.showMe,
+                aux:option.aux
+            })
+        }
     });
 
     deferred
diff --git a/hwe/js/msg.js b/hwe/js/msg.js
index 8f3558a0..07d11238 100644
--- a/hwe/js/msg.js
+++ b/hwe/js/msg.js
@@ -34,11 +34,12 @@ function responseMessage(msgID, response){
         url: 'j_msg_decide_opt.php',
         type: 'post',
         dataType:'json',
-        contentType: 'application/json',
-        data: JSON.stringify({
-            msgID:msgID,
-            response:response
-        })
+        data: {
+            data: JSON.stringify({
+                msgID:msgID,
+                response:response
+            })
+        }
     }).then(refreshMsg);
 }
 
@@ -54,10 +55,9 @@ function fetchMsg(){
         url: 'j_msg_get_recent.php',
         type: 'post',
         dataType:'json',
-        contentType: 'application/json',
-        data: JSON.stringify({
+        data: {
             sequence:sequence
-        })
+        }
     });
 }
 
@@ -373,11 +373,12 @@ function activateMessageForm(){
                 url:'j_msg_submit.php',
                 type: 'post',
                 dataType:'json',
-                contentType: 'application/json',
-                data: JSON.stringify({
-                    mailbox:parseInt(targetMailbox),
-                    text:text
-                })
+                data: {
+                    data: JSON.stringify({
+                        mailbox:parseInt(targetMailbox),
+                        text:text
+                    })
+                }
             });
         }
         else{
@@ -404,10 +405,6 @@ jQuery(function($){
         url:'j_basic_info.php',
         type: 'post',
         dataType:'json',
-        contentType: 'application/json',
-        data: JSON.stringify({
-            
-        })
     }).then(registerGlobal);
     
     //sender_list.json 은 서버측에선 캐시 가능한 데이터임.
@@ -415,10 +412,6 @@ jQuery(function($){
         url: 'j_msg_contact_list.php',
         type: 'post',
         dataType:'json',
-        contentType: 'application/json',
-        data: JSON.stringify({
-            
-        })
     });
 
     var MessageList = fetchMsg();