diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ef5701e..f0e21c9 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -33,9 +33,9 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.pyv }}
-      - name: Test main.py
+      - name: Test src/main.py
         run: |
-          python ./main.py
+          python src/main.py
       - name: Test cli.py
         shell: bash
         run: |
diff --git a/README.md b/README.md
index beecb28..4fc9928 100644
--- a/README.md
+++ b/README.md
@@ -12,18 +12,20 @@ convert Ezon gpx files
 
 ## Usage
 
-### Python
+### Source
 
-see [./main.py](./main.py#L141)
+#### Python
 
-### CLI
+see [./src/main.py](./src/main.py#L141)
+
+#### CLI
 
 ```bash
-./cli.py test/test.gpx [path]
+./src/cli.py test/test.gpx [path]
 ```
 
 ```bash
-./cli.py --help
+./src/cli.py --help
 ```
 
 ## Develop Env
diff --git a/cli.py b/cli.py
deleted file mode 100644
index d543f48..0000000
--- a/cli.py
+++ /dev/null
@@ -1,45 +0,0 @@
-import argparse
-from os import listdir
-from os.path import join, isdir
-
-from main import convert
-
-
-parser = argparse.ArgumentParser(prog="ezon-gpx")
-
-parser.add_argument(
-    "path",
-    nargs="+",
-)
-parser.add_argument("-o", "--out", help="the filename of output")
-parser.add_argument(
-    "-d", "--dir", help="the dest dir of output", type=str, default="dist"
-)
-parser.add_argument("--hour", help="hour offset", type=int, default=-8)
-parser.add_argument(
-    "--indent", help="output file with indent", type=bool, default=False
-)
-parser.add_argument("--strict", help="strict", type=bool, default=False)
-args = parser.parse_args()
-
-print()
-print("====== ezon-gpx cli ======")
-print(args)
-
-paths = []
-for path in args.path:
-    if path.endswith(".gpx"):
-        paths.append(path)
-    elif isdir(path):
-        for p in listdir(path):
-            if p.endswith(".gpx"):
-                paths.append(join(path, p))
-
-
-for path in paths:
-    print()
-    print("[cli.py]", "processing", path)
-    convert(path, args.out, args.dir, args.hour, args.indent, args.strict)
-
-print()
-print("[cli.py]", "processed files:", len(paths))
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..b004e99
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,16 @@
+[build-system]
+requires = ["setuptools"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "ezon-gpx"
+version = "0.1.0"
+authors = [
+    {name = "Uiolee"},
+]
+readme = "README.md"
+license = {text = "MPL-2.0"}
+
+[project.scripts]
+ezon-gpx = "cli:cli"
+
diff --git a/src/cli.py b/src/cli.py
new file mode 100644
index 0000000..fa9a2a6
--- /dev/null
+++ b/src/cli.py
@@ -0,0 +1,45 @@
+import argparse
+from os import listdir
+from os.path import join, isdir
+
+from main import convert
+
+
+def cli():
+    parser = argparse.ArgumentParser(prog="ezon-gpx")
+
+    parser.add_argument(
+        "path",
+        nargs="+",
+    )
+    parser.add_argument("-o", "--out", help="the filename of output")
+    parser.add_argument(
+        "-d", "--dir", help="the dest dir of output", type=str, default="dist"
+    )
+    parser.add_argument("--hour", help="hour offset", type=int, default=-8)
+    parser.add_argument(
+        "--indent", help="output file with indent", type=bool, default=False
+    )
+    parser.add_argument("--strict", help="strict", type=bool, default=False)
+    args = parser.parse_args()
+
+    print()
+    print("====== ezon-gpx cli ======")
+    print(args)
+
+    paths = []
+    for path in args.path:
+        if path.endswith(".gpx"):
+            paths.append(path)
+        elif isdir(path):
+            for p in listdir(path):
+                if p.endswith(".gpx"):
+                    paths.append(join(path, p))
+
+    for path in paths:
+        print()
+        print("[cli.py]", "processing", path)
+        convert(path, args.out, args.dir, args.hour, args.indent, args.strict)
+
+    print()
+    print("[cli.py]", "processed files:", len(paths))
diff --git a/main.py b/src/main.py
similarity index 100%
rename from main.py
rename to src/main.py
diff --git a/test/cli.test.sh b/test/cli.test.sh
index 82218b6..926786a 100644
--- a/test/cli.test.sh
+++ b/test/cli.test.sh
@@ -1,3 +1,3 @@
 #!/bin/bash
 
-python cli.py test
\ No newline at end of file
+python src/cli.py test
\ No newline at end of file