diff --git a/doc/latexpdf.sh b/doc/latexpdf.sh
index 0e4a91db8f5d117f6b37177914e21dbf0e7b63ac..479f1d5b625b9b70aa3f75135bdff525441c48e3 100644
--- a/doc/latexpdf.sh
+++ b/doc/latexpdf.sh
@@ -1,5 +1,5 @@
 make latexpdf LATEXMKOPTS="-silent"
 cd build/latex || exit
-latexmk -pdf -dvi- -ps- -silent 'guidesforcsstdasdevelopers.tex'
+latexmk -pdf -dvi- -ps- -silent 'aguideforcsstdasdevelopers.tex'
 cd ../..
-open ./build/latex/guidesforcsstdasdevelopers.pdf
\ No newline at end of file
+open ./build/latex/aguideforcsstdasdevelopers.pdf
\ No newline at end of file
diff --git a/doc/source/conf.py b/doc/source/conf.py
index 0b547f6bdc879792faed9af3ac886c1ff8e30da1..1874cb9cf9b0d0a54346311e7adffaf5e3353c18 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -10,9 +10,10 @@
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.
 #
-# import os
-# import sys
-# sys.path.insert(0, os.path.abspath('.'))
+import os
+import sys
+# . = /doc/source
+sys.path.insert(0, os.path.abspath('./csst_common'))
 
 
 # -- Project information -----------------------------------------------------
@@ -31,6 +32,7 @@ release = '0.0.1alpha'
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
 extensions = ["recommonmark",
+              "sphinx_copybutton",
               "sphinx.ext.autodoc",
               "sphinx.ext.napoleon",
               "sphinx.ext.viewcode",
diff --git a/doc/source/csst_common/csst_common.rst b/doc/source/csst_common/csst_common.rst
index 5ea9b69080fc0e81661b07e940e724ae3eaeca56..981e62f72d90e3653472d5dd188e398fc04bd7d5 100644
--- a/doc/source/csst_common/csst_common.rst
+++ b/doc/source/csst_common/csst_common.rst
@@ -106,6 +106,18 @@ We recommend our developers to use the code structure used in the example interf
 e.g., ``process_single_image`` and ``process_multiple_images``.
 The example code is shown below.
 
+Source code
+^^^^^^^^^^^
+
 .. literalinclude:: example_interface.py
+    :caption: ``example_interface.py``
+    :emphasize-lines: 36-40,81-82,85-86,89-90,94-97,143-144,147,150-151,154-155
     :linenos:
     :language: python
+
+
+Rendered ``docstring``
+^^^^^^^^^^^^^^^^^^^^^^
+
+.. automodule:: example_interface
+    :members:
diff --git a/setup.py b/setup.py
index 07e255f8f1b24ad040350720872b9ec8bd556fc7..f20748ee61b9583dee30ba549b526c385a2ea9f3 100644
--- a/setup.py
+++ b/setup.py
@@ -7,7 +7,7 @@ with open("README.md", "r") as fh:
 setuptools.setup(
     name='csst_proto',
     version=csst_proto.__version__,
-    author='CSST Team',
+    author='Bo Zhang',
     author_email='bozhang@nao.cas.cn',
     description='The CSST L1 pipeline - prototype',  # short description
     long_description=long_description,