diff --git a/route/webapp.php b/route/webapp.php
index 7d5f696..6e8f559 100644
--- a/route/webapp.php
+++ b/route/webapp.php
@@ -1,17 +1,37 @@
 <?php
+if(!defined("_DEF_RSF_")) set_error_exit("do not allow access");
+
 $routes = read_route_all();
-$webapp_root = $_SERVER["DOCUMENT_ROOT"] . "webapp";
 
-// set DOCUMENT_ROOT forcely
-$_SERVER["DOCUMENT_ROOT"] = $webapp_root;
-
-// set file path
-$appfile_path = $webapp_root . "/" . implode("/", array_slice($routes, 1)) . ".php";
-
-// load file
-if(file_exists($appfile_path)) {
-    include($appfile_path);
+if($routes[0] == "") {
+	renderView("view_welcome");
 } else {
-    set_error("404 Not Found");
-    show_errors();
+	$webapp_root = $_SERVER["DOCUMENT_ROOT"] . "webapp";
+	$webapp_url = base_url() . "webapp";
+
+	// set DOCUMENT_ROOT forcely
+	$_SERVER["DOCUMENT_ROOT"] = $webapp_root;
+
+	// set file path
+	$appfile = $webapp_root . "/" . implode("/", $routes);
+	$appfile_path = $appfile . ".php";
+
+	// get end of routes
+	$end_route = end($routes);
+	$end_routes_attributes = explode(".", $end_route);
+	if(end($end_routes_attributes) == "php" || count($end_routes_attributes) == 1) {
+		$appfile_path = str_replace(".php.php", ".php", $appfile_path);
+		if(file_exists($appfile_path)) {
+			include($appfile_path);
+		} else {
+			set_error("Webapp 404 Not Found");
+			show_errors();
+		}
+	} else {
+		set_header_content_type(end($end_routes_attributes));
+		$fp = fopen($appfile, "r") or die("file does not exists");
+		$buffer = fread($fp, filesize($appfile));
+		echo $buffer;
+		fclose($fp);
+	}
 }