diff --git a/glob/manager_core.py b/glob/manager_core.py
index fdea0697..b2a1e813 100644
--- a/glob/manager_core.py
+++ b/glob/manager_core.py
@@ -43,7 +43,7 @@ import manager_downloader
 from node_package import InstalledNodePackage
 
 
-version_code = [3, 30, 5]
+version_code = [3, 30, 6]
 version_str = f"V{version_code[0]}.{version_code[1]}" + (f'.{version_code[2]}' if len(version_code) > 2 else '')
 
 
@@ -1556,6 +1556,11 @@ def get_installed_node_packs():
     return res
 
 
+def refresh_channel_dict():
+    if channel_dict is None:
+        get_channel_dict()
+        
+
 def get_channel_dict():
     global channel_dict
     global valid_channels
diff --git a/glob/manager_server.py b/glob/manager_server.py
index 5134ab35..35327a9a 100644
--- a/glob/manager_server.py
+++ b/glob/manager_server.py
@@ -1698,6 +1698,7 @@ cm_global.register_api('cm.try-install-custom-node', confirm_try_install)
 
 
 async def default_cache_update():
+    core.refresh_channel_dict()
     channel_url = core.get_config()['channel_url']
     async def get_cache(filename):
         try:
diff --git a/pyproject.toml b/pyproject.toml
index cdac366e..75495a31 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 [project]
 name = "comfyui-manager"
 description = "ComfyUI-Manager provides features to install and manage custom nodes for ComfyUI, as well as various functionalities to assist with ComfyUI."
-version = "3.30.5"
+version = "3.30.6"
 license = { file = "LICENSE.txt" }
 dependencies = ["GitPython", "PyGithub", "matrix-client==0.4.0", "transformers", "huggingface-hub>0.20", "typer", "rich", "typing-extensions", "toml", "uv", "chardet"]