diff --git a/py/extand_canvas_v2.py b/py/extand_canvas_v2.py
index a14c232..19b55b2 100644
--- a/py/extand_canvas_v2.py
+++ b/py/extand_canvas_v2.py
@@ -14,10 +14,10 @@ class ExtendCanvasV2:
             "required": {
                 "image": ("IMAGE", ),
                 "invert_mask": ("BOOLEAN", {"default": True}),  # 反转mask
-                "top": ("INT", {"default": 0, "min": 0, "max": 99999, "step": 1}),
-                "bottom": ("INT", {"default": 0, "min": 0, "max": 99999, "step": 1}),
-                "left": ("INT", {"default": 0, "min": 0, "max": 99999, "step": 1}),
-                "right": ("INT", {"default": 0, "min": 0, "max": 99999, "step": 1}),
+                "top": ("INT", {"default": 0, "min": -99999, "max": 99999, "step": 1}),
+                "bottom": ("INT", {"default": 0, "min": -99999, "max": 99999, "step": 1}),
+                "left": ("INT", {"default": 0, "min": -99999, "max": 99999, "step": 1}),
+                "right": ("INT", {"default": 0, "min": -99999, "max": 99999, "step": 1}),
                 "color": ("STRING", {"default": "#000000"}),
             },
             "optional": {
@@ -67,6 +67,11 @@ class ExtendCanvasV2:
 
             width = _image.width + left + right
             height = _image.height + top + bottom
+            if width < 1:
+                width = 1
+            if height < 1:
+                height = 1
+
             _canvas = Image.new('RGB', (width, height), color)
             _mask_canvas = Image.new('L', (width, height), "black")
 
diff --git a/pyproject.toml b/pyproject.toml
index 3f825b8..8568141 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 [project]
 name = "comfyui_layerstyle"
 description = "A set of nodes for ComfyUI it generate image like Adobe Photoshop's Layer Style. the Drop Shadow is first completed node, and follow-up work is in progress."
-version = "1.0.43"
+version = "1.0.44"
 license = "MIT"
 dependencies = ["numpy", "pillow", "torch", "matplotlib", "Scipy", "scikit_image", "opencv-contrib-python", "pymatting", "segment_anything", "timm", "addict", "yapf", "colour-science", "wget", "mediapipe", "loguru", "typer_config", "fastapi", "rich", "google-generativeai", "diffusers", "omegaconf", "tqdm", "transformers", "kornia", "image-reward", "ultralytics", "blend_modes", "blind-watermark", "qrcode", "pyzbar", "transparent-background", "huggingface_hub", "accelerate", "bitsandbytes", "torchscale", "wandb", "hydra-core", "psd-tools", "inference-cli[yolo-world]", "inference-gpu[yolo-world]", "onnxruntime"]