failed. = = / fixed

docs/index.rst

@@ -3,38 +3,8 @@
    You can adapt this file completely to your liking, but it should at least
    contain the root `toctree` directive.
 
-Overview
-========
-
-Welcome to the open-source Nebulas wiki!
-----------------------------------------
-
-
-Nebulas is the next-generation public blockchain, aiming for a continuously improving ecosystem. Based on its blockchain valuation mechanism, Nebulas proposes future-oriented incentive and consensus systems, and the ability to self-evolve without forking.
-
-Nebulas community is open and everyone can be a contributor and build a decentralized world with us.
-
-The Nebulas wiki is a collaboration tool for the community to publish various documents in a collaborative manner. Include [using guides](wiki-using-guide.html), [developing guides](dapp-development/README.html), [learning resources](dapp-development/learning-resources.html), and other useful documents. 
-
-
-
-Use Wiki
---------
-
-
-`Mainnet <go-nebulas/README.html>`_
-````````````````````````````````````
-
-`Dapps <dapp-development/README.html>`_
-`````````````````````````````````````````
-
-`Ecosystem <community-ecosystem/README.html>`_
-````````````````````````````````````````````````
-
-`Get Involved <how-to-contribute.html>`_
-``````````````````````````````````````````
-
 
+# Nebulas Wiki
 
 .. toctree::
     :maxdepth: 2
@@ -52,3 +22,8 @@ Use Wiki
     licensing/README.rst
 
 
+# Indices and tables
+
+* :ref:`genindex`
+* :ref:`modindex`
+* :ref:`search`