diff --git a/.gitignore b/.gitignore
index 44561bd..5017c76 100644
--- a/.gitignore
+++ b/.gitignore
@@ -112,11 +112,13 @@ ckpt
 # vscode
 .vscode
 
+# JetBrains PyCharm
+.idea
+
 # tacred
 benchmark/tacred
 *.swp
 
-<<<<<<< HEAD
 # data and pretrain
 pretrain
 benchmark
diff --git a/MANIFEST.in b/MANIFEST.in
new file mode 100644
index 0000000..f9bd145
--- /dev/null
+++ b/MANIFEST.in
@@ -0,0 +1 @@
+include requirements.txt
diff --git a/README.md b/README.md
index a515ef3..c012103 100644
--- a/README.md
+++ b/README.md
@@ -64,23 +64,13 @@ If it is too slow, you can try
 git clone https://github.com/thunlp/OpenNRE.git --depth 1
 ```
 
-Then install all the requirements:
-
+Then install the package with:
 ```
-pip install -r requirements.txt
+pip install -e .
 ```
+if you don't want to modify the code, you can skip `-e ` flag.
 
-**Note**: Please choose appropriate PyTorch version based on your machine (related to your CUDA version). For details, refer to https://pytorch.org/. 
-
-Then install the package with 
-```
-python setup.py install 
-```
-
-If you also want to modify the code, run this:
-```
-python setup.py develop
-```
+**Note**: Please install appropriate PyTorch version based on your machine (related to your CUDA version). For details, refer to https://pytorch.org/.
 
 Note that we have excluded all data and pretrain files for fast deployment. You can manually download them by running scripts in the ``benchmark`` and ``pretrain`` folders. For example, if you want to download FewRel dataset, you can run
 
diff --git a/setup.py b/setup.py
index 8f80025..024f023 100644
--- a/setup.py
+++ b/setup.py
@@ -1,17 +1,27 @@
 import setuptools
-with open("README.md", "r") as fh:
-    setuptools.setup(
-        name='opennre',  
-        version='0.1',
-        author="Tianyu Gao",
-        author_email="gaotianyu1350@126.com",
-        description="An open source toolkit for relation extraction",
-        url="https://github.com/thunlp/opennre",
-        packages=setuptools.find_packages(),
-        classifiers=[
-            "Programming Language :: Python :: 3",
-            "License :: OSI Approved :: MIT License",
-            "Operating System :: Linux",
-        ],
-        setup_requires=['wheel']
-     )
+
+
+def read(filename: str) -> str:
+    with open(filename, "r") as f:
+        return f.read()
+
+
+setuptools.setup(
+    name="opennre",
+    version="0.1",
+    author="Tianyu Gao",
+    author_email="gaotianyu1350@126.com",
+    description="An open source toolkit for relation extraction",
+    url="https://github.com/thunlp/opennre",
+    packages=setuptools.find_packages(),
+    classifiers=[
+        "Programming Language :: Python :: 3",
+        "License :: OSI Approved :: MIT License",
+        "Operating System :: Linux",
+    ],
+    setup_requires=["wheel"],
+    install_requires=read("requirements.txt").strip().splitlines(),
+    long_description=read("README.md"),
+    long_description_content_type="text/markdown",
+    license_files=("LICENSE",),
+)