diff --git a/extdbms/lib/Entities/CommonEntity.php b/extdbms/lib/Entities/CommonEntity.php
index 3419c2b..620e772 100644
--- a/extdbms/lib/Entities/CommonEntity.php
+++ b/extdbms/lib/Entities/CommonEntity.php
@@ -12,11 +12,13 @@ class CommonEntity extends Core
     } //
     public function getPK(): string
     {
-        return constant("static::PKField");
+        $field = constant("static::PKField");
+        return $this->$field;
     }
     public function getTitle(): string
     {
-        return constant("static::TitleField");
+        $field = constant("static::TitleField");
+        return $this->$field;
     }
     //공통부분
 } //Class