diff --git a/modules/impact/config.py b/modules/impact/config.py
index 7a4c005..73362f8 100644
--- a/modules/impact/config.py
+++ b/modules/impact/config.py
@@ -1,7 +1,7 @@
 import configparser
 import os
 
-version_code = [8, 8, 4]
+version_code = [8, 8, 5]
 version = f"V{version_code[0]}.{version_code[1]}" + (f'.{version_code[2]}' if len(version_code) > 2 else '')
 
 dependency_version = 24
diff --git a/modules/impact/logics.py b/modules/impact/logics.py
index d943342..03ec373 100644
--- a/modules/impact/logics.py
+++ b/modules/impact/logics.py
@@ -701,6 +701,9 @@ class ImpactControlBridge:
                 return (value, )
             else:
                 return (ExecutionBlocker(None), )
+        elif extra_pnginfo is None:
+            logging.warn(f"[Impact Pack] limitation: '{behavior}' behavior cannot be used in API execution.")
+            return (value,)
         else:
             workflow_nodes, links = workflow_to_map(extra_pnginfo['workflow'])
 
diff --git a/pyproject.toml b/pyproject.toml
index 02fc13b..d03be22 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 [project]
 name = "comfyui-impact-pack"
 description = "This node pack offers various detector nodes and detailer nodes that allow you to configure a workflow that automatically enhances facial details. And provide iterative upscaler."
-version = "8.8.4"
+version = "8.8.5"
 license = { file = "LICENSE.txt" }
 dependencies = ["segment-anything", "scikit-image", "piexif", "transformers", "opencv-python-headless", "GitPython", "scipy>=1.11.4"]