diff --git a/docs/ZKPool-2.0/Galactic-Network-Introduction b/docs/ZKPool-2.0/Galactic-Network-introduction.md
similarity index 100%
rename from docs/ZKPool-2.0/Galactic-Network-Introduction
rename to docs/ZKPool-2.0/Galactic-Network-introduction.md
diff --git a/docs/ZKPool-2.0/_category_.json b/docs/ZKPool-2.0/_category_.json
new file mode 100644
index 0000000..88fc329
--- /dev/null
+++ b/docs/ZKPool-2.0/_category_.json
@@ -0,0 +1,8 @@
+{
+  "label": "ZKPool 2.0",
+  "position": 3,
+  "link": {
+    "type": "generated-index",
+    "description": "Galactic network overview"
+  }
+}
diff --git a/docs/ZKPool-2.0/Technology/POS-Based Verifiers.md b/docs/ZKPool-2.0/technology/PoS-based-verifiers.md
similarity index 97%
rename from docs/ZKPool-2.0/Technology/POS-Based Verifiers.md
rename to docs/ZKPool-2.0/technology/PoS-based-verifiers.md
index 2850d03..f417445 100644
--- a/docs/ZKPool-2.0/Technology/POS-Based Verifiers.md	
+++ b/docs/ZKPool-2.0/technology/PoS-based-verifiers.md
@@ -1,3 +1,7 @@
+---
+sidebar_position: 3
+sidebar_label: 'PoS-based verifiers'
+---
 
 Proofs need to be verified within the network before being sent back or retrieved by the requester for the following reasons:
 
diff --git a/docs/ZKPool-2.0/Technology/Graph-Based Computation Tasks Description and Scheduling.md b/docs/ZKPool-2.0/technology/graph-based-computation-tasks-description-and-scheduling.md
similarity index 97%
rename from docs/ZKPool-2.0/Technology/Graph-Based Computation Tasks Description and Scheduling.md
rename to docs/ZKPool-2.0/technology/graph-based-computation-tasks-description-and-scheduling.md
index 7d1b2fe..8976897 100644
--- a/docs/ZKPool-2.0/Technology/Graph-Based Computation Tasks Description and Scheduling.md	
+++ b/docs/ZKPool-2.0/technology/graph-based-computation-tasks-description-and-scheduling.md
@@ -1,3 +1,8 @@
+---
+sidebar_position: 2
+sidebar_label: 'Graph based computation tasks description and scheduling'
+---
+
 # ZKP Proving Task Description
 
 In AI, like TensorFlow, we will use graphs to describe the computation. In the graph, there are many operations, such as conv, pooling, and so on. 
diff --git a/docs/ZKPool-2.0/Technology/Moludar Galactic Network Overview .md b/docs/ZKPool-2.0/technology/moludar-Galactic-Network-overview.md
similarity index 99%
rename from docs/ZKPool-2.0/Technology/Moludar Galactic Network Overview .md
rename to docs/ZKPool-2.0/technology/moludar-Galactic-Network-overview.md
index 0e87e7f..d8e1998 100644
--- a/docs/ZKPool-2.0/Technology/Moludar Galactic Network Overview .md	
+++ b/docs/ZKPool-2.0/technology/moludar-Galactic-Network-overview.md
@@ -1,6 +1,6 @@
 ---
 sidebar_position: 1
-slug: /
+sidebar_label: 'Modular Galactic network overview'
 ---
 # Ethereum L3-Based
 
diff --git a/docs/guides/_category_.json b/docs/guides/_category_.json
index c5da1a6..a2dc05c 100644
--- a/docs/guides/_category_.json
+++ b/docs/guides/_category_.json
@@ -1,6 +1,6 @@
 {
   "label": "Guides",
-  "position": 3,
+  "position": 4,
   "link": {
     "type": "generated-index",
     "description": "Guides about how to join ZKPool"