diff --git a/glob/manager_core.py b/glob/manager_core.py
index dfc6a9e8..32189787 100644
--- a/glob/manager_core.py
+++ b/glob/manager_core.py
@@ -1,3 +1,8 @@
+"""
+description:
+    `manager_core` contains the core implementation of the management functions in ComfyUI-Manager.
+"""
+
 import json
 import os
 import sys
@@ -177,6 +182,10 @@ def update_user_directory(user_dir):
     manager_channel_list_path = os.path.join(manager_files_path, 'channels.list')
     manager_pip_overrides_path = os.path.join(manager_files_path, "pip_overrides.json")
     manager_components_path = os.path.join(manager_files_path, "components")
+    manager_util.cache_dir = os.path.join(manager_files_path, "cache")
+
+    if not os.path.exists(manager_util.cache_dir):
+        os.makedirs(manager_util.cache_dir)
 
 try:
     import folder_paths
diff --git a/glob/manager_server.py b/glob/manager_server.py
index 45c6afab..9aa5eb54 100644
--- a/glob/manager_server.py
+++ b/glob/manager_server.py
@@ -1402,7 +1402,6 @@ async def default_cache_update():
     # else:
     #     logging.info("[ComfyUI-Manager] Migration check is skipped...")
 
-
 threading.Thread(target=lambda: asyncio.run(default_cache_update())).start()
 
 if not os.path.exists(core.manager_config_path):
diff --git a/glob/manager_util.py b/glob/manager_util.py
index 2e4c24d0..e9369ef5 100644
--- a/glob/manager_util.py
+++ b/glob/manager_util.py
@@ -1,3 +1,8 @@
+"""
+description:
+    `manager_util` is the lightest module shared across the prestartup_script, main code, and cm-cli of ComfyUI-Manager.
+"""
+
 import aiohttp
 import json
 import threading
@@ -10,7 +15,7 @@ import re
 cache_lock = threading.Lock()
 
 comfyui_manager_path = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
-cache_dir = os.path.join(comfyui_manager_path, '.cache')
+cache_dir = os.path.join(comfyui_manager_path, '.cache')  # This path is also updated together in **manager_core.update_user_directory**.
 
 
 # DON'T USE StrictVersion - cannot handle pre_release version