diff --git a/data_renderer.py b/data_renderer.py
index fff9077..2123229 100644
--- a/data_renderer.py
+++ b/data_renderer.py
@@ -2,6 +2,7 @@ import os
 import bpy
 import sys
 import json
+import time
 import mathutils
 import numpy as np
 sys.path.append(os.path.dirname(os.path.abspath(__file__)))
@@ -14,8 +15,8 @@ class DataRenderer:
             "renderer": {      
                 "generate":
                     {
-                        "object_dir": "/media/hofee/data/data/scaled_object_meshes",
-                        "table_model_path": "/media/hofee/data/data/others/table.obj",
+                        "object_dir": "/data/hofee/data/scaled_object_meshes",
+                        "table_model_path": "/data/hofee/data/table.obj",
                         "plane_size": 10,
                         "binocular_vision": True,
                         "light_and_camera_config":{
@@ -42,7 +43,6 @@ class DataRenderer:
         self.light_and_camera_config = config["renderer"]["generate"]["light_and_camera_config"]
         self.obj_dir = config["renderer"]["generate"]["object_dir"]
         self.binocular_vision = config["renderer"]["generate"]["binocular_vision"]
-        self.obj_name_list = os.listdir(self.obj_dir)
         self.target_obj = None
         self.random_obj_list = []
 
@@ -58,15 +58,24 @@ class DataRenderer:
     def do_render(self, cam_pose, restore_info, temp_dir):
         
         self.reset()
+        start_time = time.time()
         self.restore_scene(restore_info=restore_info)
+        end_time = time.time()
+        print(f"Time taken for restoring scene: {end_time - start_time} seconds")
         object_name = self.target_obj.name
         temp_file_name = f"tmp"
         if "." in object_name:
             object_name = object_name.split(".")[0]
+        start_time = time.time()
         BlenderUtils.set_camera_at(cam_pose)
         BlenderUtils.render_mask(temp_dir, temp_file_name, binocular_vision=self.binocular_vision)
+        MaterialUtil.change_object_material(self.target_obj, MaterialUtil.create_normal_material())
         BlenderUtils.render_normal_and_depth(temp_dir, temp_file_name, binocular_vision=self.binocular_vision)
+        end_time = time.time()
+        print(f"Time taken for rendering: {end_time - start_time} seconds")
+        
         BlenderUtils.save_cam_params(temp_dir, temp_file_name, binocular_vision=self.binocular_vision)
+        
         depth_dir = os.path.join(temp_dir, "depth")
         for depth_file in os.listdir(depth_dir):
             if not depth_file.endswith(".png"):
@@ -112,9 +121,14 @@ def main(temp_dir):
     scene_info_path = os.path.join(params_data["scene_path"], "scene_info.json")
     with open(scene_info_path, 'r') as f:
         scene_info = json.load(f)
-    
+    start_time = time.time()
     data_renderer = DataRenderer()
+    end_time = time.time()
+    print(f"Time taken for initialization: {end_time - start_time} seconds")
+    start_time = time.time()
     data_renderer.do_render(cam_pose, scene_info, temp_dir)
+    end_time = time.time()
+    print(f"Time taken for rendering: {end_time - start_time} seconds")
     depth_dir = os.path.join(temp_dir, "depth")
     for depth_file in os.listdir(depth_dir):
         if not depth_file.endswith(".png"):