diff --git a/contact.html b/contact.html
index 76e688f..0059971 100644
--- a/contact.html
+++ b/contact.html
@@ -81,7 +81,6 @@
                   <li><a target="_blank" href="https://github.com/siddontang/ledisdb/wiki">Wiki</a></li>
                    <li><a target="_blank" href="http://ledis-py.readthedocs.org/">Ledis-py</a></li>
                    <li><a target="_blank" href="https://godoc.org/github.com/siddontang/ledisdb">Godoc</a></li>
-                   <li><a target="_blank" href="http://blog.csdn.net/siddontang/article/category/2264003">Author's Chinese Blog</a></li>
                 </ul>
             </div>
         </div>
diff --git a/index.html b/index.html
index 50d5845..481c388 100644
--- a/index.html
+++ b/index.html
@@ -48,11 +48,14 @@
       <div class="row features" id="features">
         <div class="col-lg-6">
           <h3 class="">Data Structure</h3>
-          <p>Rich data structure: KV, List, Hash, ZSet, Bitmap.</p>
+          <p>Rich data structure: KV, List, Hash, ZSet, Bitmap, Set.</p>
           
           <h3>Various Backend </h3>
           <p>Various backend databases to choose: </p>
-          <p>LevelDB, goleveldb, LMDB, RocksDB or BoltDB.</p>
+          <p>LevelDB, goleveldb, LMDB, RocksDB, HyperLevelDB or BoltDB.</p>
+
+          <h3>Transaction </h3>
+          <p>Supports begin, commit and rollback, with LMDB or BoltDB.</p>
 
           <h3>Expiration & TTL</h3>
           <p>Supports expiration and ttl in all kinds of data structures.</p>
@@ -65,7 +68,7 @@
         <div class="col-lg-6">
         
           <h3>Multi-Clients </h3>
-          <p>Multiple clients API supports, including Go, Python, Lua(Openresty).</p>
+          <p>Multiple clients API supports, including Go, Python, Lua(Openresty), Node.js.</p>
 
           <h3>Easy Embedding</h3>
           <p>Easy to embed in Go application.</p>
@@ -155,7 +158,6 @@ db.Get(key)
                   <li><a target="_blank" href="https://github.com/siddontang/ledisdb/wiki">Wiki</a></li>
                    <li><a target="_blank" href="http://ledis-py.readthedocs.org/">Ledis-py</a></li>
                    <li><a target="_blank" href="https://godoc.org/github.com/siddontang/ledisdb">Godoc</a></li>
-                   <li><a target="_blank" href="http://blog.csdn.net/siddontang/article/category/2264003">Author's Chinese Blog</a></li>
                 </ul>
             </div>
         </div>