diff --git a/README.md b/README.md
index c8735d7..63810aa 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 
 
-# The Unit System for Brain Dynamics Programming
+# Physical units and unit-aware mathematical system in JAX
 
 <p align="center">
   	<img alt="Header image of brainunit." src="https://github.com/brainpy/brainunit/blob/main/docs/_static/brainunit.png" width=50%>
@@ -19,7 +19,7 @@
 </p>
 
 
-[``brainunit``](https://github.com/brainpy/brainunit) provides a unit-aware mathematical system for brain dynamics programming (BDP). 
+[``brainunit``](https://github.com/brainpy/brainunit) provides physical units and unit-aware mathematical system in JAX for brain dynamics and AI4Science
 
 
 ## Installation
@@ -40,7 +40,7 @@ The official documentation is hosted on Read the Docs: [https://brainunit.readth
 
 - [``brainstate``](https://github.com/brainpy/brainstate): A ``State``-based transformation system for brain dynamics programming.
 
-- [``brainunit``](https://github.com/brainpy/brainunit): The unit system for brain dynamics programming.
+- [``brainunit``](https://github.com/brainpy/brainunit): Physical units and unit-aware mathematical system in JAX for brain dynamics and AI4Science.
 
 - [``braintaichi``](https://github.com/brainpy/braintaichi): Leveraging Taichi Lang to customize brain dynamics operators.
 
diff --git a/changelog.md b/changelog.md
index efb2823..52b250d 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,4 +1,8 @@
 # Release Notes
 
+## Version 0.0.1
+
+The first release of the project.
+
 
 
diff --git a/docs/_static/brainunit.png b/docs/_static/brainunit.png
index 665b255..a135b05 100644
Binary files a/docs/_static/brainunit.png and b/docs/_static/brainunit.png differ
diff --git a/docs/conf.py b/docs/conf.py
index 1b9348b..cfe6fa1 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -28,11 +28,22 @@
 
 import os
 import sys
+import shutil
 
 sys.path.insert(0, os.path.abspath('../'))
 
 import brainunit
 
+os.makedirs('apis/', exist_ok=True)
+
+changelogs = [
+  ('../changelog.md', 'apis/changelog.md'),
+]
+for source, dest in changelogs:
+  if os.path.exists(dest):
+    os.remove(dest)
+  shutil.copyfile(source, dest)
+
 
 # -- Project information -----------------------------------------------------
 
@@ -100,7 +111,7 @@
 exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store']
 
 html_theme = "sphinx_book_theme"
-html_logo = "_static/brainunit.jpg"
+html_logo = "_static/brainunit.png"
 html_title = "brainunit"
 html_copy_source = True
 html_sourcelink_suffix = ""
diff --git a/docs/index.rst b/docs/index.rst
index b27f4a3..8d50620 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -1,7 +1,10 @@
 ``brainunit`` documentation
 ===========================
 
-`brainunit <https://github.com/brainpy/brainunit>`_ provides a unit-aware system for brain dynamics programming (BDP).
+`brainunit <https://github.com/brainpy/brainunit>`_ provides physical units and unit-aware mathematical system in JAX for brain dynamics and AI4Science.
+
+
+
 
 ----
 
@@ -17,12 +20,6 @@ Installation
 
           pip install -U brainunit[cpu]
 
-    .. tab-item:: GPU (CUDA 11.0)
-
-       .. code-block:: bash
-
-          pip install -U brainunit[cuda11]
-
     .. tab-item:: GPU (CUDA 12.0)
 
        .. code-block:: bash
@@ -38,70 +35,6 @@ Installation
 
 
 
-----
-
-Learn more
-^^^^^^^^^^
-
-.. grid::
-
-   .. grid-item::
-      :columns: 6 6 6 4
-
-      .. card:: :material-regular:`rocket_launch;2em` Installation
-         :class-card: sd-text-black sd-bg-light
-         :link: quickstart/installation.html
-
-   .. grid-item::
-      :columns: 6 6 6 4
-
-      .. card:: :material-regular:`library_books;2em` Core Concepts
-         :class-card: sd-text-black sd-bg-light
-         :link: core_concepts.html
-
-   .. grid-item::
-      :columns: 6 6 6 4
-
-      .. card:: :material-regular:`science;2em` BDP Tutorials
-         :class-card: sd-text-black sd-bg-light
-         :link: tutorials.html
-
-   .. grid-item::
-      :columns: 6 6 6 4
-
-      .. card:: :material-regular:`token;2em` Advanced Tutorials
-         :class-card: sd-text-black sd-bg-light
-         :link: advanced_tutorials.html
-
-   .. grid-item::
-      :columns: 6 6 6 4
-
-      .. card:: :material-regular:`settings;2em` BDP Toolboxes
-         :class-card: sd-text-black sd-bg-light
-         :link: toolboxes.html
-
-   .. grid-item::
-      :columns: 6 6 6 4
-
-      .. card:: :material-regular:`rocket_launch;2em` FAQ
-         :class-card: sd-text-black sd-bg-light
-         :link: FAQ.html
-
-   .. grid-item::
-      :columns: 6 6 6 4
-
-      .. card:: :material-regular:`data_exploration;2em` API documentation
-         :class-card: sd-text-black sd-bg-light
-         :link: api.html
-
-   .. grid-item::
-      :columns: 6 6 6 4
-
-      .. card:: :material-regular:`settings;2em` Examples
-         :class-card: sd-text-black sd-bg-light
-         :link: https://brainpy-examples.readthedocs.io/en/latest/index.html
-
-
 ----
 
 
@@ -150,7 +83,9 @@ See also the BDP ecosystem
    :maxdepth: 1
    :caption: API Documentation
 
-   api.rst
+   apis/changelog.md
+   apis/brainunit.rst
+   apis/brainunit.math.rst
 
 
 
diff --git a/setup.py b/setup.py
index f0d8274..f1d29fc 100644
--- a/setup.py
+++ b/setup.py
@@ -64,13 +64,9 @@
     "Source Code": "https://github.com/brainpy/brainunit",
   },
   extras_require={
-    'cpu': ['jaxlib', ],
-    'cuda11': ['jaxlib[cuda11_pip]', ],
+    'cpu': ['jaxlib'],
     'cuda12': ['jaxlib[cuda12_pip]', ],
     'tpu': ['jaxlib[tpu]'],
-    'cpu_mini': ['jaxlib'],
-    'cuda11_mini': ['jaxlib[cuda11_pip]'],
-    'cuda12_mini': ['jaxlib[cuda12_pip]'],
   },
   keywords=('computational neuroscience, '
             'brain-inspired computation, '