diff --git a/mm_agents/accessibility_tree_wrap/heuristic_retrieve.py b/mm_agents/accessibility_tree_wrap/heuristic_retrieve.py
index ccb4886..7ab439f 100644
--- a/mm_agents/accessibility_tree_wrap/heuristic_retrieve.py
+++ b/mm_agents/accessibility_tree_wrap/heuristic_retrieve.py
@@ -2,6 +2,7 @@ import xml.etree.ElementTree as ET
 
 from PIL import Image, ImageDraw, ImageFont
 
+from typing import Tuple
 
 def find_leaf_nodes(xlm_file_str):
     if not xlm_file_str:
@@ -105,15 +106,20 @@ def draw_bounding_boxes(nodes, image_file_path, output_image_file_path):
 
                 # Draw index number at the bottom left of the bounding box with black background
                 text_position = (coords[0], bottom_right[1])  # Adjust Y to be above the bottom right
-                draw.rectangle([text_position, (text_position[0] + 25, text_position[1] + 18)], fill='black')
-                draw.text(text_position, str(index), font=font, fill="white")
+                text_bbox: Tuple[int, int ,int ,int] = draw.textbbox(text_position, str(index), font=font, anchor="lb")
+                #offset: int = bottom_right[1]-text_bbox[3]
+                #text_bbox = (text_bbox[0], text_bbox[1]+offset, text_bbox[2], text_bbox[3]+offset)
+
+                #draw.rectangle([text_position, (text_position[0] + 25, text_position[1] + 18)], fill='black')
+                draw.rectangle(text_bbox, fill='black')
+                draw.text(text_position, str(index), font=font, anchor="lb", fill="white")
                 index += 1
 
                 # each mark is an x, y, w, h tuple
                 marks.append([coords[0], coords[1], size[0], size[1]])
                 drew_nodes.append(_node)
 
-            except ValueError as e:
+            except ValueError:
                 pass
 
     # Save the result
diff --git a/requirements.txt b/requirements.txt
index b494102..23e6a27 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -38,3 +38,4 @@ pydrive
 fastdtw
 
 openai
+func-timeout