diff --git a/dev.sh b/dev.sh
old mode 100644
new mode 100755
index 323fc3c2..60af0963
--- a/dev.sh
+++ b/dev.sh
@@ -3,7 +3,7 @@
 
 # This script is used to run the development environment.
 
-python3 -m pip install -i https://pypi.tuna.tsinghua.edu.cn/simple install -r requirements.txt
+python3 -m pip install -i https://pypi.tuna.tsinghua.edu.cn/simple install -r requirements-dev.txt
 
 cd src || exit
 
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 00000000..890f166b
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,47 @@
+[tool.ruff]
+# Enable pycodestyle (`E`) and Pyflakes (`F`) codes by default.
+select = ["E", "F", "I"]
+ignore = ['E501']
+
+# Allow autofix for all enabled rules (when `--fix`) is provided.
+fixable = ["A", "B", "C", "D", "E", "F", "G", "I", "N", "Q", "S", "T", "W", "ANN", "ARG", "BLE", "COM", "DJ", "DTZ", "EM", "ERA", "EXE", "FBT", "ICN", "INP", "ISC", "NPY", "PD", "PGH", "PIE", "PL", "PT", "PTH", "PYI", "RET", "RSE", "RUF", "SIM", "SLF", "TCH", "TID", "TRY", "UP", "YTT"]
+unfixable = []
+
+# Exclude a variety of commonly ignored directories.
+exclude = [
+    ".bzr",
+    ".direnv",
+    ".eggs",
+    ".git",
+    ".git-rewrite",
+    ".hg",
+    ".mypy_cache",
+    ".nox",
+    ".pants.d",
+    ".pytype",
+    ".ruff_cache",
+    ".svn",
+    ".tox",
+    ".venv",
+    "__pypackages__",
+    "_build",
+    "buck-out",
+    "build",
+    "dist",
+    "node_modules",
+    "venv",
+]
+per-file-ignores = {}
+
+# Same as Black.
+line-length = 88
+
+# Allow unused variables when underscore-prefixed.
+dummy-variable-rgx = "^(_+|(_+[a-zA-Z0-9_]*[a-zA-Z0-9]+?))$"
+
+# Assume Python 3.10.
+target-version = "py310"
+
+[tool.ruff.mccabe]
+# Unlike Flake8, default to a complexity level of 10.
+max-complexity = 10
diff --git a/requirements-dev.txt b/requirements-dev.txt
new file mode 100644
index 00000000..40cd4be6
--- /dev/null
+++ b/requirements-dev.txt
@@ -0,0 +1,2 @@
+-r requirements.txt
+ruff
\ No newline at end of file