diff --git a/README.md b/README.md
index b5a2eb6..d31babc 100644
--- a/README.md
+++ b/README.md
@@ -9,13 +9,13 @@
 
 ## pytools
 
-Note that `pytools` can be installed by `pip` so that it is added to your python's import path:
+Note that the modules under `pytools` are wrapped as a standard python package `xsk_pytools` (refer to `pytools/pyproject.toml`), which can be installed by `pip`:
 
     $ cd pytools && python -m pip install --user -e .
 
 Then, it can be imported in your python script:
 
-    import pytools
+    import xsk_pytools
 
 ## Contact Me
 If you have any questions, please feel free to ask me. My name is Shaokun Xie. The contact details are not listed here. Please go to find the right approach in somewhere and contact me : p
diff --git a/pytools/README.md b/pytools/README.md
index 817b58e..097eb4f 100644
--- a/pytools/README.md
+++ b/pytools/README.md
@@ -8,10 +8,11 @@ Some python tools useful in other python code.
 * `pluto_tools.py`: some tools  used specificaly for PLUTO simulations
 * `tools.py`: some general used tools
 
-Note that `pytools` can be installed by `pip` under this directory so that it is added to your python's import path:
+Note that the modules here are wrapped as a standard python package `xsk_pytools` (refer to
+`pyproject.toml`), which can be installed by `pip`:
 
     $ python -m pip install --user -e .
 
 Then, it can be imported in your python script:
 
-    import pytools
+    import xsk_pytools
diff --git a/pytools/pyproject.toml b/pytools/pyproject.toml
index 5e2aef9..efd9dad 100644
--- a/pytools/pyproject.toml
+++ b/pytools/pyproject.toml
@@ -3,7 +3,7 @@ requires = ["setuptools>=61.0"]
 build-backend = "setuptools.build_meta"
 
 [project]
-name = "pytools_xsk"
+name = "xsk_pytools"
 version = "0.1.1"
 description = "A Python toolbox for personal daily research"
 readme = "README.md"
diff --git a/pytools/src/__init__.py b/pytools/xsk_pytools/__init__.py
similarity index 100%
rename from pytools/src/__init__.py
rename to pytools/xsk_pytools/__init__.py
diff --git a/pytools/src/astroeqs.py b/pytools/xsk_pytools/astroeqs.py
similarity index 100%
rename from pytools/src/astroeqs.py
rename to pytools/xsk_pytools/astroeqs.py
diff --git a/pytools/src/fermi.py b/pytools/xsk_pytools/fermi.py
similarity index 100%
rename from pytools/src/fermi.py
rename to pytools/xsk_pytools/fermi.py
diff --git a/pytools/src/logger.py b/pytools/xsk_pytools/logger.py
similarity index 100%
rename from pytools/src/logger.py
rename to pytools/xsk_pytools/logger.py
diff --git a/pytools/src/pluto_tools.py b/pytools/xsk_pytools/pluto_tools.py
similarity index 97%
rename from pytools/src/pluto_tools.py
rename to pytools/xsk_pytools/pluto_tools.py
index da40fae..8b75d7e 100644
--- a/pytools/src/pluto_tools.py
+++ b/pytools/xsk_pytools/pluto_tools.py
@@ -2,7 +2,7 @@
 
 import pandas as pd
 
-from pytools.tools import nearest, str_to_number
+from xsk_pytools.tools import nearest, str_to_number
 
 
 def output_index(logfile, ns):
diff --git a/pytools/src/tools.py b/pytools/xsk_pytools/tools.py
similarity index 100%
rename from pytools/src/tools.py
rename to pytools/xsk_pytools/tools.py