diff --git a/pyproject.toml b/pyproject.toml
index d0a4f21..c97c5d8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -26,9 +26,7 @@ version = "0.2.10"
 [project.scripts]
 autofmt     = "pyflowx.cli.autofmt:main"
 bumpversion = "pyflowx.cli.bumpversion:main"
-clr         = "pyflowx.cli.clearscreen:main"
 emlman      = "pyflowx.cli.emlmanager:main"
-envdev      = "pyflowx.cli.envdev:main"
 filedate    = "pyflowx.cli.filedate:main"
 filelvl     = "pyflowx.cli.filelevel:main"
 foldback    = "pyflowx.cli.folderback:main"
@@ -44,8 +42,12 @@ reseticon   = "pyflowx.cli.reseticoncache:main"
 scrcap      = "pyflowx.cli.screenshot:main"
 sglang      = "pyflowx.cli.llm.sglang:main"
 sshcopy     = "pyflowx.cli.sshcopyid:main"
-taskk       = "pyflowx.cli.taskkill:main"
-wch         = "pyflowx.cli.which:main"
+# dev
+envdev = "pyflowx.cli.dev.envdev:main"
+# system
+clr   = "pyflowx.cli.system.clearscreen:main"
+taskk = "pyflowx.cli.system.taskkill:main"
+wch   = "pyflowx.cli.system.which:main"
 
 [project.optional-dependencies]
 dev = [
diff --git a/src/pyflowx/cli/dev/__init__.py b/src/pyflowx/cli/dev/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/pyflowx/cli/envdev.py b/src/pyflowx/cli/dev/envdev.py
similarity index 100%
rename from src/pyflowx/cli/envdev.py
rename to src/pyflowx/cli/dev/envdev.py
diff --git a/src/pyflowx/cli/system/__init__.py b/src/pyflowx/cli/system/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/src/pyflowx/cli/clearscreen.py b/src/pyflowx/cli/system/clearscreen.py
similarity index 100%
rename from src/pyflowx/cli/clearscreen.py
rename to src/pyflowx/cli/system/clearscreen.py
diff --git a/src/pyflowx/cli/taskkill.py b/src/pyflowx/cli/system/taskkill.py
similarity index 98%
rename from src/pyflowx/cli/taskkill.py
rename to src/pyflowx/cli/system/taskkill.py
index a07148b..3cb261c 100644
--- a/src/pyflowx/cli/taskkill.py
+++ b/src/pyflowx/cli/system/taskkill.py
@@ -35,6 +35,6 @@ def main() -> None:
         [
             px.TaskSpec(f"kill_{proc_name}", cmd=[*cmd, f"{proc_name}*"], verbose=True)
             for proc_name in args.process_names
-        ]
+        ],
     )
     px.run(graph, strategy="thread")
diff --git a/src/pyflowx/cli/which.py b/src/pyflowx/cli/system/which.py
similarity index 100%
rename from src/pyflowx/cli/which.py
rename to src/pyflowx/cli/system/which.py
diff --git a/src/pyflowx/tasks/system.py b/src/pyflowx/tasks/system.py
index 4ca1c6d..eb60dc4 100644
--- a/src/pyflowx/tasks/system.py
+++ b/src/pyflowx/tasks/system.py
@@ -6,6 +6,15 @@
 
 from __future__ import annotations
 
+__all__ = [
+    "clr",
+    "reset_icon_cache",
+    "setenv",
+    "setenv_group",
+    "which",
+    "write_file",
+]
+
 import os
 import subprocess
 from pathlib import Path
@@ -111,6 +120,3 @@ def write_file(path: str, content: str, encoding: str = "utf-8") -> px.TaskSpec:
             print(f"写入文件 {path} 失败: {e}")
 
     return px.TaskSpec(f"write_file_{path}", fn=write, verbose=True)
-
-
-__all__ = ["clr", "reset_icon_cache", "setenv", "setenv_group", "which", "write_file"]
diff --git a/tests/cli/test_clearscreen.py b/tests/cli/test_clearscreen.py
index c2f8171..7ce53af 100644
--- a/tests/cli/test_clearscreen.py
+++ b/tests/cli/test_clearscreen.py
@@ -5,7 +5,7 @@ from __future__ import annotations
 from unittest.mock import patch
 
 import pyflowx as px
-from pyflowx.cli import clearscreen
+from pyflowx.cli.system import clearscreen
 
 
 # ---------------------------------------------------------------------- #
diff --git a/tests/cli/test_taskkill.py b/tests/cli/test_taskkill.py
index e137d42..f9e7d6c 100644
--- a/tests/cli/test_taskkill.py
+++ b/tests/cli/test_taskkill.py
@@ -7,7 +7,7 @@ from unittest.mock import patch
 import pytest
 
 import pyflowx as px
-from pyflowx.cli import taskkill
+from pyflowx.cli.system import taskkill
 from pyflowx.conditions import Constants