diff --git a/docs/about/contributing.md b/docs/about/contributing.md
index 50891f4f..39a3dd18 100644
--- a/docs/about/contributing.md
+++ b/docs/about/contributing.md
@@ -1,4 +1,4 @@
-# Contributing & Support
+# Contributing & Support
 
 We are happy to accept contributions that make `Kashgari` better and more awesome! You could contribute in various ways:
 
diff --git a/docs/about/release-notes.md b/docs/about/release-notes.md
index 25769141..260d1f9a 100644
--- a/docs/about/release-notes.md
+++ b/docs/about/release-notes.md
@@ -17,6 +17,19 @@ pip show kashgari
 
 ## Current Release
 
+### [2.0.0.alpha] - 2020.06.10
+
+This is a fully re-implemented version with TF2.
+
+- ✨ Embeddings
+- ✨ Text Classification Task
+- ✨ Text Labeling Task
+- ✨ Seq2Seq Task
+- ✨ Examples
+    - ✨ Neural machine translation with Seq2Seq
+    - ✨ Benchmarks
+
+
 ### [1.1.1] - 2020.03.13
 
 - ✨ Add BERTEmbeddingV2.
diff --git a/docs/apis/generators.rst b/docs/apis/generators.rst
index dbb17577..072a8027 100644
--- a/docs/apis/generators.rst
+++ b/docs/apis/generators.rst
@@ -10,7 +10,7 @@ CorpusGenerator
 .. autoclass:: kashgari.generators.CorpusGenerator
     :members:
 
-BatchDataGenerator
-==================
-.. autoclass:: kashgari.generators.BatchDataGenerator
+BatchDataSet
+============
+.. autoclass:: kashgari.generators.BatchDataSet
     :members:
diff --git a/docs/conf.py b/docs/conf.py
index a205b502..ffccf673 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -78,7 +78,9 @@ def __getattr__(cls, name):
     'sphinx.ext.intersphinx',
     'sphinx.ext.autodoc',
     'sphinx.ext.napoleon',
-    'sphinx_autodoc_typehints'
+    'sphinx_autodoc_typehints',
+    'nbsphinx',
+    'sphinx.ext.mathjax',
 ]
 
 # sphinx_autodoc_typehints settings
@@ -325,12 +327,23 @@ def setup(app):
 
     from m2r import convert
     import typing
+    import shutil
+
     typing.TYPE_CHECKING = True
 
     docs_path = pathlib.Path(__file__).parent
     original_readme = os.path.join(docs_path.parent, 'README.md')
     rst_readme = os.path.join(docs_path, 'README.rst')
 
+    # Copy Examples to docs folder for rendering
+    original_examples_folder = os.path.join(docs_path.parent, 'examples')
+    target_examples_folder = os.path.join(docs_path, 'examples')
+    shutil.rmtree(target_examples_folder, ignore_errors=True)
+
+    shutil.copytree(original_examples_folder,
+                    target_examples_folder,
+                    symlinks=True)
+
     # Change readme to rst file, and include in Sphinx index
     with open(rst_readme, 'w') as f:
         md_content = open(original_readme, 'r').read()
diff --git a/docs/index.rst b/docs/index.rst
index 28736f2c..03706d0a 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -18,10 +18,10 @@
   :maxdepth: 2
   :caption: Embeddings
 
-  embeddings/index.rst
-  embeddings/bare-embedding.rst
-  embeddings/word-embedding.rst
-  embeddings/bert-embedding.rst
+  embeddings/index
+  embeddings/bare-embedding
+  embeddings/word-embedding
+  embeddings/bert-embedding
 
 .. toctree::
   :maxdepth: 3
@@ -33,9 +33,15 @@
   apis/processors.rst
   apis/generators.rst
 
+.. toctree::
+  :maxdepth: 3
+  :caption: Examples
+
+  examples/translate_with_seq2seq.ipynb
+
 .. toctree::
   :maxdepth: 2
   :caption: About
 
-  about/contributing.rst
-  about/release-notes.rst
+  about/contributing
+  about/release-notes
diff --git a/docs/requirements.txt b/docs/requirements.txt
index f0853aa2..e6e99e80 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -6,6 +6,7 @@ sphinx-markdown-tables
 sphinx-autodoc-typehints
 recommonmark
 m2r
+nbsphinx
 
 # dependence
 numpy==1.18.1
diff --git a/examples/translate_with_seq2seq.ipynb b/examples/translate_with_seq2seq.ipynb
index 2ed2308f..2fda5c1d 100644
--- a/examples/translate_with_seq2seq.ipynb
+++ b/examples/translate_with_seq2seq.ipynb
@@ -7,7 +7,8 @@
     "id": "lY2BrIyFKbAP"
    },
    "source": [
-    "# Install dependences"
+    "# Neural machine translation with Seq2Seq\n",
+    "## Install dependences"
    ]
   },
   {
@@ -433,8 +434,8 @@
     "\n",
     "%matplotlib inline\n",
     "\n",
-    "font_name = 'SIMHEI' \n",
-    "plt.rcParams['font.family'] = font_name #用来正常显示中文标签 \n",
+    "font_name = 'SIMHEI'\n",
+    "plt.rcParams['font.family'] = font_name #用来正常显示中文标签\n",
     "plt.rcParams['axes.unicode_minus']=False #用来正常显示负号\n",
     "zhfont = font_manager.FontProperties(fname='/usr/share/fonts/truetype/SimHei.ttf')\n",
     "\n",
@@ -480,7 +481,7 @@
     "plt.figure(figsize=(5,5))\n",
     "plt.plot(history.history['loss'])\n",
     "plt.xlabel('Epoch')\n",
-    "plt.ylabel('Loss') \n",
+    "plt.ylabel('Loss')\n",
     "plt.show()"
    ]
   },
@@ -776,4 +777,4 @@
  },
  "nbformat": 4,
  "nbformat_minor": 4
-}
+}
\ No newline at end of file
diff --git a/requirements.dev.txt b/requirements.dev.txt
index f15c2703..4f14dbd9 100644
--- a/requirements.dev.txt
+++ b/requirements.dev.txt
@@ -14,6 +14,7 @@ sphinx-markdown-tables
 sphinx-autodoc-typehints
 recommonmark
 m2r
+nbsphinx
 
 # develop
 jupyterlab