diff --git a/hwe/j_install_db.php b/hwe/j_install_db.php
index 6b72dad4..238f72af 100644
--- a/hwe/j_install_db.php
+++ b/hwe/j_install_db.php
@@ -63,6 +63,8 @@ $db->addHook('run_failed', function(){
     ]);
 });
 
+$mysqli_obj = $db->get();
+
 $prefix = basename(__DIR__);
 
 $result = Util::generateFileUsingSimpleTemplate(
@@ -84,24 +86,29 @@ if($result !== true){
     ]);
 }
 
-if (!class_exists('\\sammo\\DB')) {
-    $loader = require __DIR__.'/../vendor/autoload.php';
-    $loader->addClassMap((function () {
-        $d_settingMap = [];
-        foreach (glob(__DIR__.'/d_setting/*.orig.php') as $filepath) {
-            $filepath = str_replace('.orig.php', '.php', $filepath);
-            if(!file_exists($filepath)) {
-                continue;
-            }
-            $filename = basename($filepath);
-            $classname = explode('.', $filename)[0];
-            $d_settingMap['sammo\\'.$classname] = $filepath;
-        };
-        return $d_settingMap;
-    })());
+//최소한의 테이블 처리를 위해 수동으로 초기화하도록 하자
+if($mysqli_obj->multi_query(file_get_contents(__DIR__.'/sql/reset.sql'))){
+    while(true){
+        if (!$mysqli_obj->more_results()) {
+            break;
+        }
+        if(!$mysqli_obj->next_result()){
+            break;
+        }
+    }
+
 }
 
-ResetHelper::clearDB($db, $prefix);
+if($mysqli_obj->multi_query(file_get_contents(__DIR__.'/sql/schema.sql'))){
+    while(true){
+        if (!$mysqli_obj->more_results()) {
+            break;
+        }
+        if(!$mysqli_obj->next_result()){
+            break;
+        }
+    }
+}
 
 ServConfig::getServerList()[$prefix]->closeServer();
 
diff --git a/hwe/sammo/ResetHelper.php b/hwe/sammo/ResetHelper.php
index 3fd7ad05..a5d3d80c 100644
--- a/hwe/sammo/ResetHelper.php
+++ b/hwe/sammo/ResetHelper.php
@@ -8,7 +8,7 @@ class ResetHelper{
 
     }
 
-    static public function clearDB(?\MeekroDB $db = null, ?string $prefix = null):array{
+    static public function clearDB():array{
         $servRoot = realpath(__DIR__.'/../');
 
         if(!file_exists($servRoot.'/logs') || !file_exists($servRoot.'/data')){
@@ -72,15 +72,11 @@ class ResetHelper{
             }
         }
 
-        if($prefix === null){
-            $prefix = DB::prefix();
-        }
+        $prefix = DB::prefix();
 
         ServConfig::getServerList()[$prefix]->closeServer();
 
-        if($db === null){
-            $db = DB::db();
-        }
+        $db = DB::db();
         $mysqli_obj = $db->get();
 
         $serverID = $prefix.'_'.date("ymd").'_'.Util::randomStr(4);