diff --git a/auto_download.py b/auto_download.py
index b32633d..4d73d77 100644
--- a/auto_download.py
+++ b/auto_download.py
@@ -3,6 +3,7 @@ import numpy as np
 from PIL import Image
 import io
 import base64
+import datetime
 from server import PromptServer
 
 class AutoDownloadNode:
@@ -25,6 +26,9 @@ class AutoDownloadNode:
 
     def transmit_to_client(self, image, filename_prefix):
         ui_images = []
+        now = datetime.datetime.now()
+        timestamp = now.strftime("%y_%m%d_%H%M_%S")
+        
         for index, img_tensor in enumerate(image):
             i = 255. * img_tensor.cpu().numpy()
             img = Image.fromarray(np.clip(i, 0, 255).astype(np.uint8))
@@ -36,10 +40,10 @@ class AutoDownloadNode:
             
             PromptServer.instance.send_sync("auto_download_direct", {
                 "data": img_base64,
-                "filename": f"{filename_prefix}_{index:05d}.png"
+                "filename": f"{filename_prefix}_{timestamp}_{index:02d}.png"
             })
             
         return {"ui": {"images": []}}
 
 NODE_CLASS_MAPPINGS = {"AutoDownloadNode": AutoDownloadNode}
-NODE_DISPLAY_NAME_MAPPINGS = {"AutoDownloadNode": "AutoDownload2Client"}
\ No newline at end of file
+NODE_DISPLAY_NAME_MAPPINGS = {"AutoDownloadNode": "AutoDownload2Client"}