diff --git a/cloud.html b/cloud.html
index b8e8ddb..ee32d4c 100644
--- a/cloud.html
+++ b/cloud.html
@@ -24,8 +24,8 @@
         <div class="px-16">
           <a class="c-1 ml-16" href="/"><i class="bi-house-door mr-6"></i>Home</a>
           <span class="c-0 ml-16"><i class="bi-cloud mr-6"></i>Cloud</span>
-          <a class="c-1 ml-16" href="/install.html"><i class="bi-download mr-6"></i>Install</a>
-          <a class="c-1 ml-16" href="/network.html"><i class="bi-activity mr-6"></i>Network</a>
+          <a class="c-1 ml-16" href="/install"><i class="bi-download mr-6"></i>Install</a>
+          <a class="c-1 ml-16" href="/network"><i class="bi-activity mr-6"></i>Network</a>
           <a class="c-1 ml-16" href="https://github.com/twisterarmy"><i class="bi-github mr-6"></i>GitHub</a>
           <!-- todo
           <a class="c-1 ml-16" href="#"><i class="bi-tv mr-6"></i>Features</a>
diff --git a/index.html b/index.html
index 6a75352..6aec711 100644
--- a/index.html
+++ b/index.html
@@ -21,9 +21,9 @@
       <div class="nav bg-c-2 bg-img-2 float-right t-right h-48 lh-48">
         <div class="px-16">
           <span class="c-0 ml-16"><i class="bi-house-door mr-6"></i>Home</span>
-          <a class="c-1 ml-16" href="/cloud.html"><i class="bi-cloud mr-6"></i>Cloud</a>
-          <a class="c-1 ml-16" href="/install.html"><i class="bi-download mr-6"></i>Install</a>
-          <a class="c-1 ml-16" href="/network.html"><i class="bi-activity mr-6"></i>Network</a>
+          <a class="c-1 ml-16" href="/cloud"><i class="bi-cloud mr-6"></i>Cloud</a>
+          <a class="c-1 ml-16" href="/install"><i class="bi-download mr-6"></i>Install</a>
+          <a class="c-1 ml-16" href="/network"><i class="bi-activity mr-6"></i>Network</a>
           <a class="c-1 ml-16" href="https://github.com/twisterarmy"><i class="bi-github mr-6"></i>GitHub</a>
           <!-- todo
           <a class="c-1 ml-16" href="#"><i class="bi-tv mr-6"></i>Features</a>
@@ -42,8 +42,8 @@
     <h1 class="f-size-26 f-normal d-inline d-inline-block mb-22">Twister - decentralized P2P microblogging platform</h1>
     <div class="c-2 mb-48">Twisterarmy is the Twister Project supported by Community</div>
     <div>
-      <a class="btn btn-1" href="cloud.html">Cloud</a>
-      <a class="btn btn-1" href="install.html">Install</a>
+      <a class="btn btn-1" href="cloud">Cloud</a>
+      <a class="btn btn-1" href="install">Install</a>
     </div>
   </div>
   <div class="mw-1024 mx-auto of-hidden mb-48">
diff --git a/install.html b/install.html
index a6d3a00..7526a56 100644
--- a/install.html
+++ b/install.html
@@ -21,9 +21,9 @@
       <div class="nav bg-c-2 bg-img-2 float-right t-right h-48 lh-48">
         <div class="px-16">
           <a class="c-1 ml-16" href="/"><i class="bi-house-door mr-6"></i>Home</a>
-          <a class="c-1 ml-16" href="/cloud.html"><i class="bi-cloud mr-6"></i>Cloud</a>
+          <a class="c-1 ml-16" href="/cloud"><i class="bi-cloud mr-6"></i>Cloud</a>
           <span class="c-0 ml-16"><i class="bi-download mr-6"></i>Install</span>
-          <a class="c-1 ml-16" href="/network.html"><i class="bi-activity mr-6"></i>Network</a>
+          <a class="c-1 ml-16" href="/network"><i class="bi-activity mr-6"></i>Network</a>
           <a class="c-1 ml-16" href="https://github.com/twisterarmy"><i class="bi-github mr-6"></i>GitHub</a>
           <!-- todo
           <a class="c-1 ml-16" href="#"><i class="bi-tv mr-6"></i>Features</a>
diff --git a/network.html b/network.html
index 331adfb..633e265 100644
--- a/network.html
+++ b/network.html
@@ -27,8 +27,8 @@
       <div class="nav bg-c-2 bg-img-2 float-right t-right h-48 lh-48">
         <div class="px-16">
           <a class="c-1 ml-16" href="/"><i class="bi-house-door mr-6"></i>Home</a>
-          <a class="c-1 ml-16" href="/cloud.html"><i class="bi-cloud mr-6"></i>Cloud</a>
-          <a class="c-1 ml-16" href="/install.html"><i class="bi-download mr-6"></i>Install</a>
+          <a class="c-1 ml-16" href="/cloud"><i class="bi-cloud mr-6"></i>Cloud</a>
+          <a class="c-1 ml-16" href="/install"><i class="bi-download mr-6"></i>Install</a>
           <span class="c-0 ml-16"><i class="bi-activity mr-6"></i>Network</span>
           <a class="c-1 ml-16" href="https://github.com/twisterarmy"><i class="bi-github mr-6"></i>GitHub</a>
           <!-- todo