diff --git a/.gitignore b/.gitignore
index ea20b51..917531f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,3 +20,7 @@ models/*
 
 # Sphinx documentation
 docs/*/_build/
+
+# environment
+.venv
+.env
diff --git a/pyproject.toml b/pyproject.toml
index e99d062..bf3a7a4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,7 @@ authors = [
 ]
 description = "A Comprehensive Toolkit for High-Quality PDF Content Extraction."
 readme = "README.md"
-license = { file="LICENSE" }
+license = { file="LICENSE.md" }
 requires-python = ">=3.10"
 dependencies = [
     "PyPDF2",
@@ -18,7 +18,7 @@ dependencies = [
     "pyyaml",
     "frontend",
     "pymupdf",
-    opencv-python = "^4.6.0"
+    "opencv-python>=4.6.0"
     # Add other common dependencies
 ]
 
@@ -32,3 +32,5 @@ formula_detection = [
     # Add other dependencies for formula detection
 ]
 # Add additional dependencies for other models
+[tool.setuptools.packages.find]
+include = ["pdf_extract_kit"]
diff --git a/requirements.txt b/requirements.txt
index ba8ab9f..e1eff8b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ omegaconf
 matplotlib
 PyMuPDF
 ultralytics>=8.2.85
-doclayout-yolo==0.0.2
+doclayout-yolo==0.0.4
 unimernet==0.2.1
 paddlepaddle-gpu
 paddleocr==2.7.3