diff --git a/modules/document/document.controller.php b/modules/document/document.controller.php
index 078f257ac..92651a584 100644
--- a/modules/document/document.controller.php
+++ b/modules/document/document.controller.php
@@ -215,6 +215,9 @@ class documentController extends document
 		if(!$obj->email_address) $obj->email_address = '';
 		if(!$isRestore) $obj->ipaddress = $_SERVER['REMOTE_ADDR'];	//board?�서 form key값으�?ipaddress�??�용?�면 ?�한 ip가 ?�록?? ?�터?�???��??�슴
 
+                // block modify regdate
+                unset($obj->regdate);
+		
 		// Serialize the $extra_vars, check the extra_vars type, because duplicate serialized avoid
 		if(!is_string($obj->extra_vars)) $obj->extra_vars = serialize($obj->extra_vars);
 		// Remove the columns for automatic saving
@@ -393,6 +396,10 @@ class documentController extends document
 		if($obj->allow_trackback!='Y') $obj->allow_trackback = 'N';
 		if($obj->homepage &&  !preg_match('/^[a-z]+:\/\//i',$obj->homepage)) $obj->homepage = 'http://'.$obj->homepage;
 		if($obj->notify_message != 'Y') $obj->notify_message = 'N';
+		
+		// block modify regdate
+                unset($obj->regdate);
+		
 		// Serialize the $extra_vars
 		if(!is_string($obj->extra_vars)) $obj->extra_vars = serialize($obj->extra_vars);
 		// Remove the columns for automatic saving