diff --git a/.github/workflows/python-format.yml b/.github/workflows/python-format.yml
new file mode 100644
index 0000000..4f82905
--- /dev/null
+++ b/.github/workflows/python-format.yml
@@ -0,0 +1,44 @@
+name: Check Black Formatting
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+
+permissions:
+  contents: read
+  pull-requests: write
+
+jobs:
+  black-formatting:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+
+    - name: Set up Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: '3.10'
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install black==24.4.2
+
+    - name: Run Black formatting check
+      run: python3 -m black --check .
+
+    - name: Add PR review comment if formatting is incorrect
+      if: failure()
+      uses: actions/github-script@v4
+      with:
+        script: |
+          const { pull_request } = context.payload;
+          const comment = "Your code does not meet the Black formatting standards.\nPlease run `python3 -m pip install black==24.4.2 && python3 -m black .` to format your code.";
+          await github.issues.createComment({
+            issue_number: pull_request.number,
+            owner: context.repo.owner,
+            repo: context.repo.repo,
+            body: comment
+          });
diff --git a/auth.py b/auth.py
index 6756d3a..dccddb1 100644
--- a/auth.py
+++ b/auth.py
@@ -140,7 +140,11 @@ async def get_api_key(request):
 class SetAPIKey:
     @classmethod
     def INPUT_TYPES(s):
-        return {"required": {"API_KEY": ("STRING", {"default": "YOUR_API_KEY"}),}}
+        return {
+            "required": {
+                "API_KEY": ("STRING", {"default": "YOUR_API_KEY"}),
+            }
+        }
 
     RETURN_TYPES = ()
     FUNCTION = "set_api_key"
diff --git a/image_utils.py b/image_utils.py
index 5bc753e..7bc9b04 100644
--- a/image_utils.py
+++ b/image_utils.py
@@ -84,9 +84,7 @@ def decode_comfy_image(img_data: Union[List, str], image_format="png") -> torch.
 
     out = decode_base64_to_np(img_data, format=image_format)
     out = np.array(out).astype(np.float32) / 255.0
-    output = torch.from_numpy(out)[
-        None,
-    ]
+    output = torch.from_numpy(out)[None,]
     return output
 
 
diff --git a/kolors.py b/kolors.py
index d5cb0bc..63b80d5 100644
--- a/kolors.py
+++ b/kolors.py
@@ -25,8 +25,20 @@ class BizyAirKolorsTextEncode:
     def INPUT_TYPES(s):
         return {
             "required": {
-                "prompt": ("STRING", {"multiline": True, "default": "",}),
-                "negative_prompt": ("STRING", {"multiline": True, "default": "",}),
+                "prompt": (
+                    "STRING",
+                    {
+                        "multiline": True,
+                        "default": "",
+                    },
+                ),
+                "negative_prompt": (
+                    "STRING",
+                    {
+                        "multiline": True,
+                        "default": "",
+                    },
+                ),
                 "num_images_per_prompt": (
                     "INT",
                     {"default": 1, "min": 1, "max": 4, "step": 1},
@@ -73,7 +85,11 @@ class BizyAirKolorsVAEEncode:
 
     @classmethod
     def INPUT_TYPES(s):
-        return {"required": {"pixels": ("IMAGE",),}}
+        return {
+            "required": {
+                "pixels": ("IMAGE",),
+            }
+        }
 
     RETURN_TYPES = ("LATENT",)
     FUNCTION = "encode"
@@ -114,7 +130,11 @@ class BizyAirKolorsVAEDecode:
 
     @classmethod
     def INPUT_TYPES(s):
-        return {"required": {"samples": ("LATENT",),}}
+        return {
+            "required": {
+                "samples": ("LATENT",),
+            }
+        }
 
     RETURN_TYPES = ("IMAGE",)
     FUNCTION = "decode"
diff --git a/llm.py b/llm.py
index ef42654..d9df2c8 100644
--- a/llm.py
+++ b/llm.py
@@ -47,7 +47,11 @@ class SiliconCloudLLMAPI:
                 ),
                 "user_prompt": (
                     "STRING",
-                    {"default": "小猫，梵高风格", "multiline": True, "dynamicPrompts": True,},
+                    {
+                        "default": "小猫，梵高风格",
+                        "multiline": True,
+                        "dynamicPrompts": True,
+                    },
                 ),
                 "max_tokens": ("INT", {"default": 512, "min": 100, "max": 1e5}),
                 "temperature": (
@@ -100,7 +104,10 @@ class BizyAirImageCaption:
     CATEGORY = "☁️BizyAir/AI Assistants"
 
     def detailed_caption(
-        self, image, num_beams, max_new_tokens,
+        self,
+        image,
+        num_beams,
+        max_new_tokens,
     ):
         API_KEY = get_api_key()
 
diff --git a/nodes_controlnet_union_sdxl.py b/nodes_controlnet_union_sdxl.py
index 03c4841..512f394 100644
--- a/nodes_controlnet_union_sdxl.py
+++ b/nodes_controlnet_union_sdxl.py
@@ -2,6 +2,7 @@
 huggingface: https://huggingface.co/xinsir/controlnet-union-sdxl-1.0
 github: https://github.com/xinsir6/ControlNetPlus/tree/main
 """
+
 import json
 import os
 import numpy as np
@@ -44,7 +45,11 @@ class StableDiffusionXLControlNetUnionPipeline:
                 "segment_image": ("IMAGE",),
                 "prompt": (
                     "STRING",
-                    {"default": "a car", "multiline": True, "dynamicPrompts": True,},
+                    {
+                        "default": "a car",
+                        "multiline": True,
+                        "dynamicPrompts": True,
+                    },
                 ),
                 "negative_prompt": (
                     "STRING",
@@ -56,11 +61,21 @@ class StableDiffusionXLControlNetUnionPipeline:
                 ),
                 "control_guidance_start": (
                     "FLOAT",
-                    {"default": 0, "min": 0.0, "max": 1, "step": 0.01,},
+                    {
+                        "default": 0,
+                        "min": 0.0,
+                        "max": 1,
+                        "step": 0.01,
+                    },
                 ),
                 "control_guidance_end": (
                     "FLOAT",
-                    {"default": 1.0, "min": 0.0, "max": 1, "step": 0.01,},
+                    {
+                        "default": 1.0,
+                        "min": 0.0,
+                        "max": 1,
+                        "step": 0.01,
+                    },
                 ),
             },
         }
@@ -127,7 +142,9 @@ class StableDiffusionXLControlNetUnionPipeline:
         payload.update(**kwargs)
 
         response = requests.post(
-            self.API_URL, json=payload, headers=self.get_headers(),
+            self.API_URL,
+            json=payload,
+            headers=self.get_headers(),
         )
 
         result = response.json()
diff --git a/supernode.py b/supernode.py
index c06c39d..25553a1 100644
--- a/supernode.py
+++ b/supernode.py
@@ -20,7 +20,12 @@ class SuperResolution:
 
     @classmethod
     def INPUT_TYPES(s):
-        return {"required": {"image": ("IMAGE",), "scale": (["2x", "4x"],),}}
+        return {
+            "required": {
+                "image": ("IMAGE",),
+                "scale": (["2x", "4x"],),
+            }
+        }
 
     RETURN_TYPES = ("IMAGE",)
     FUNCTION = "super_resolution"
@@ -66,7 +71,11 @@ class RemoveBackground:
 
     @classmethod
     def INPUT_TYPES(s):
-        return {"required": {"image": ("IMAGE",),}}
+        return {
+            "required": {
+                "image": ("IMAGE",),
+            }
+        }
 
     RETURN_TYPES = ("IMAGE", "MASK")
     FUNCTION = "remove_background"