diff --git a/hwe/sammo/API/InheritAction/BuyRandomUnique.php b/hwe/sammo/API/InheritAction/BuyRandomUnique.php
index ffaba187..a0e56e97 100644
--- a/hwe/sammo/API/InheritAction/BuyRandomUnique.php
+++ b/hwe/sammo/API/InheritAction/BuyRandomUnique.php
@@ -39,7 +39,7 @@ class BuyRandomUnique extends \sammo\BaseAPI
 
         $db = DB::db();
         $inheritStor = KVStorage::getStorage($db, "inheritance_{$userID}");
-        $previousPoint = $inheritStor->getValue('previous')??0;
+        $previousPoint = ($inheritStor->getValue('previous')??[0, 0])[0];
         if($previousPoint < GameConst::$inheritItemRandomPoint){
             return '충분한 유산 포인트를 가지고 있지 않습니다.';
         }
diff --git a/hwe/sammo/LazyVarUpdater.php b/hwe/sammo/LazyVarUpdater.php
index e4cfb283..8c460d42 100644
--- a/hwe/sammo/LazyVarUpdater.php
+++ b/hwe/sammo/LazyVarUpdater.php
@@ -10,7 +10,7 @@ trait LazyVarUpdater{
     function getRaw(bool $extractAux=false):array{
         if($extractAux){
             $this->getAuxVar('');
-            
+
         }
         return $this->raw;
     }
@@ -58,7 +58,7 @@ trait LazyVarUpdater{
         }
 
         if($var === null){
-            unset($this->auxVar[$key]);
+            unset($this->raw['auxVar'][$key]);
             $this->auxUpdated = true;
             return;
         }