diff --git a/docs/sidebars.js b/docs/sidebars.js
deleted file mode 100644
index d6273b558..000000000
--- a/docs/sidebars.js
+++ /dev/null
@@ -1,73 +0,0 @@
-module.exports = {
-  docs: [
-    {
-      type: 'category',
-      label: 'Get started',
-      collapsed: false,
-      items: [
-        'get_started/installation', 'get_started/run_demo',
-        'get_started/reading_roadmap'
-      ],
-    },
-    {
-      type: 'category',
-      label: 'Concepts',
-      collapsed: false,
-      items: [
-        'concepts/distributed_training', 'concepts/paradigms_of_parallelism',
-        'concepts/colossalai_overview'
-      ],
-    },
-    {
-      type: 'category',
-      label: 'Basics',
-      collapsed: false,
-      items: [
-        'basics/command_line_tool',
-        'basics/define_your_config',
-        'basics/launch_colossalai',
-        'basics/initialize_features',
-        'basics/engine_trainer',
-        'basics/configure_parallelization',
-        'basics/model_checkpoint',
-        'basics/colotensor_concept',
-      ],
-    },
-    {
-      type: 'category',
-      label: 'Features',
-      collapsed: false,
-      items: [
-        'features/mixed_precision_training', 'features/gradient_accumulation',
-        'features/gradient_clipping', 'features/gradient_handler',
-        'features/zero_with_chunk', {
-          type: 'category',
-          label: 'Tensor Parallel',
-          collapsed: true,
-          items: [
-            'features/1D_tensor_parallel',
-            'features/2D_tensor_parallel',
-            'features/2p5D_tensor_parallel',
-            'features/3D_tensor_parallel',
-          ],
-        },
-        'features/pipeline_parallel', 'features/nvme_offload'
-      ],
-    },
-    {
-      type: 'category',
-      label: 'Advanced Tutorials',
-      collapsed: false,
-      items: [
-        'advanced_tutorials/train_vit_using_pipeline_parallelism',
-        'advanced_tutorials/train_vit_with_hybrid_parallelism',
-        'advanced_tutorials/train_gpt_using_hybrid_parallelism',
-        'advanced_tutorials/define_your_own_parallel_model',
-        'advanced_tutorials/add_your_parallel',
-        'advanced_tutorials/meet_gemini',
-        'advanced_tutorials/parallelize_your_training_like_Megatron',
-        'advanced_tutorials/integrate_mixture_of_experts_into_your_model'
-      ],
-    },
-  ]
-};
diff --git a/docs/sidebars.json b/docs/sidebars.json
new file mode 100644
index 000000000..9e9ef89ba
--- /dev/null
+++ b/docs/sidebars.json
@@ -0,0 +1,79 @@
+{
+  "tutorialSidebar": [
+    {
+      "type": "category",
+      "label": "Get started",
+      "collapsed": true,
+      "items": [
+        "get_started/installation",
+        "get_started/run_demo",
+        "get_started/reading_roadmap"
+      ]
+    },
+    {
+      "type": "category",
+      "label": "Concepts",
+      "collapsed": true,
+      "items": [
+        "concepts/distributed_training",
+        "concepts/paradigms_of_parallelism",
+        "concepts/colossalai_overview"
+      ]
+    },
+    {
+      "type": "category",
+      "label": "Basics",
+      "collapsed": true,
+      "items": [
+        "basics/command_line_tool",
+        "basics/define_your_config",
+        "basics/launch_colossalai",
+        "basics/initialize_features",
+        "basics/engine_trainer",
+        "basics/configure_parallelization",
+        "basics/model_checkpoint",
+        "basics/colotensor_concept"
+      ]
+    },
+    {
+      "type": "category",
+      "label": "Features",
+      "collapsed": true,
+      "items": [
+        "features/mixed_precision_training",
+        "features/gradient_accumulation",
+        "features/gradient_clipping",
+        "features/gradient_handler",
+        "features/zero_with_chunk",
+        {
+          "type": "category",
+          "label": "Tensor Parallel",
+          "collapsed": true,
+          "items": [
+            "features/1D_tensor_parallel",
+            "features/2D_tensor_parallel",
+            "features/2p5D_tensor_parallel",
+            "features/3D_tensor_parallel"
+          ]
+        },
+        "features/pipeline_parallel",
+        "features/nvme_offload"
+      ]
+    },
+    {
+      "type": "category",
+      "label": "Advanced Tutorials",
+      "collapsed": true,
+      "items": [
+        "advanced_tutorials/train_vit_using_pipeline_parallelism",
+        "advanced_tutorials/train_vit_with_hybrid_parallelism",
+        "advanced_tutorials/train_gpt_using_hybrid_parallelism",
+        "advanced_tutorials/define_your_own_parallel_model",
+        "advanced_tutorials/add_your_parallel",
+        "advanced_tutorials/meet_gemini",
+        "advanced_tutorials/parallelize_your_training_like_Megatron",
+        "advanced_tutorials/integrate_mixture_of_experts_into_your_model"
+      ]
+    }
+  ]
+}
diff --git a/docs/versions.json b/docs/versions.json
index 5961b1c98..8497d72d9 100644
--- a/docs/versions.json
+++ b/docs/versions.json
@@ -1,3 +1,3 @@
 [
-  "v0.2.2"
+  "v0.2.3"
 ]
diff --git a/version.txt b/version.txt
index ee1372d33..717903969 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-0.2.2
+0.2.3