diff --git a/src/.vuepress/public/img/Cluster-Concept01N.png b/src/.vuepress/public/img/Cluster-Concept01N.png
new file mode 100644
index 000000000..ae971fac8
Binary files /dev/null and b/src/.vuepress/public/img/Cluster-Concept01N.png differ
diff --git a/src/.vuepress/public/img/Cluster-Concept03N.png b/src/.vuepress/public/img/Cluster-Concept03N.png
new file mode 100644
index 000000000..94df348bf
Binary files /dev/null and b/src/.vuepress/public/img/Cluster-Concept03N.png differ
diff --git a/src/UserGuide/Master/Table/Background-knowledge/Cluster-Concept_apache.md b/src/UserGuide/Master/Table/Background-knowledge/Cluster-Concept_apache.md
index 8d4b99869..beee95672 100644
--- a/src/UserGuide/Master/Table/Background-knowledge/Cluster-Concept_apache.md
+++ b/src/UserGuide/Master/Table/Background-knowledge/Cluster-Concept_apache.md
@@ -57,7 +57,7 @@ Encoding is a compression technique that represents data in binary form, improvi
IoTDB supports distributed deployments, typically in a 3C3D cluster model (3 ConfigNodes, 3 DataNodes), as illustrated below:
-
+
### 2.1 Key Concepts
diff --git a/src/UserGuide/Master/Table/Background-knowledge/Cluster-Concept_timecho.md b/src/UserGuide/Master/Table/Background-knowledge/Cluster-Concept_timecho.md
index 651a353cd..7ebd77297 100644
--- a/src/UserGuide/Master/Table/Background-knowledge/Cluster-Concept_timecho.md
+++ b/src/UserGuide/Master/Table/Background-knowledge/Cluster-Concept_timecho.md
@@ -57,7 +57,7 @@ Encoding is a compression technique that represents data in binary form, improvi
IoTDB supports distributed deployments, typically in a 3C3D cluster model (3 ConfigNodes, 3 DataNodes), as illustrated below:
-
+
### 2.1 Key Concepts
diff --git a/src/UserGuide/Master/Table/IoTDB-Introduction/IoTDB-Introduction_apache.md b/src/UserGuide/Master/Table/IoTDB-Introduction/IoTDB-Introduction_apache.md
index e225263f3..5bb1b9ac3 100644
--- a/src/UserGuide/Master/Table/IoTDB-Introduction/IoTDB-Introduction_apache.md
+++ b/src/UserGuide/Master/Table/IoTDB-Introduction/IoTDB-Introduction_apache.md
@@ -48,7 +48,7 @@ Key components include:
The diagram below illustrates a typical IoTDB cluster deployment (3 ConfigNodes and 3 DataNodes):
-
+
## 3. Key Features
diff --git a/src/UserGuide/Master/Table/IoTDB-Introduction/IoTDB-Introduction_timecho.md b/src/UserGuide/Master/Table/IoTDB-Introduction/IoTDB-Introduction_timecho.md
index 01c0e2dd0..f74257551 100644
--- a/src/UserGuide/Master/Table/IoTDB-Introduction/IoTDB-Introduction_timecho.md
+++ b/src/UserGuide/Master/Table/IoTDB-Introduction/IoTDB-Introduction_timecho.md
@@ -53,7 +53,7 @@ Key components include:
The diagram below illustrates a common cluster deployment (3 ConfigNodes, 3 DataNodes) of TimechoDB:
-
+
## 3. Key Features
diff --git a/src/UserGuide/Master/Tree/Background-knowledge/Cluster-Concept_apache.md b/src/UserGuide/Master/Tree/Background-knowledge/Cluster-Concept_apache.md
index 5a2b4652c..b91fae204 100644
--- a/src/UserGuide/Master/Tree/Background-knowledge/Cluster-Concept_apache.md
+++ b/src/UserGuide/Master/Tree/Background-knowledge/Cluster-Concept_apache.md
@@ -36,7 +36,7 @@
The following figure shows a common IoTDB 3C3D (3 ConfigNodes, 3 DataNodes) cluster deployment pattern:
-
+
IoTDB's cluster includes the following common concepts:
diff --git a/src/UserGuide/Master/Tree/Background-knowledge/Cluster-Concept_timecho.md b/src/UserGuide/Master/Tree/Background-knowledge/Cluster-Concept_timecho.md
index 2307c4a71..8e93c5f4e 100644
--- a/src/UserGuide/Master/Tree/Background-knowledge/Cluster-Concept_timecho.md
+++ b/src/UserGuide/Master/Tree/Background-knowledge/Cluster-Concept_timecho.md
@@ -36,7 +36,7 @@
The following figure shows a common IoTDB 3C3D (3 ConfigNodes, 3 DataNodes) cluster deployment pattern:
-
+
IoTDB's cluster includes the following common concepts:
diff --git a/src/UserGuide/Master/Tree/IoTDB-Introduction/IoTDB-Introduction_apache.md b/src/UserGuide/Master/Tree/IoTDB-Introduction/IoTDB-Introduction_apache.md
index e225263f3..5bb1b9ac3 100644
--- a/src/UserGuide/Master/Tree/IoTDB-Introduction/IoTDB-Introduction_apache.md
+++ b/src/UserGuide/Master/Tree/IoTDB-Introduction/IoTDB-Introduction_apache.md
@@ -48,7 +48,7 @@ Key components include:
The diagram below illustrates a typical IoTDB cluster deployment (3 ConfigNodes and 3 DataNodes):
-
+
## 3. Key Features
diff --git a/src/UserGuide/V1.3.x/Background-knowledge/Cluster-Concept_apache.md b/src/UserGuide/V1.3.x/Background-knowledge/Cluster-Concept_apache.md
index 1f35d01da..9fea591b6 100644
--- a/src/UserGuide/V1.3.x/Background-knowledge/Cluster-Concept_apache.md
+++ b/src/UserGuide/V1.3.x/Background-knowledge/Cluster-Concept_apache.md
@@ -36,7 +36,7 @@
The following figure shows a common IoTDB 3C3D (3 ConfigNodes, 3 DataNodes) cluster deployment pattern:
-
+
IoTDB's cluster includes the following common concepts:
diff --git a/src/UserGuide/V1.3.x/Background-knowledge/Cluster-Concept_timecho.md b/src/UserGuide/V1.3.x/Background-knowledge/Cluster-Concept_timecho.md
index 5f0682521..22afc3aa4 100644
--- a/src/UserGuide/V1.3.x/Background-knowledge/Cluster-Concept_timecho.md
+++ b/src/UserGuide/V1.3.x/Background-knowledge/Cluster-Concept_timecho.md
@@ -36,7 +36,7 @@
The following figure shows a common IoTDB 3C3D (3 ConfigNodes, 3 DataNodes) cluster deployment pattern:
-
+
IoTDB's cluster includes the following common concepts:
diff --git a/src/UserGuide/dev-1.3/Background-knowledge/Cluster-Concept_apache.md b/src/UserGuide/dev-1.3/Background-knowledge/Cluster-Concept_apache.md
index 1f35d01da..9fea591b6 100644
--- a/src/UserGuide/dev-1.3/Background-knowledge/Cluster-Concept_apache.md
+++ b/src/UserGuide/dev-1.3/Background-knowledge/Cluster-Concept_apache.md
@@ -36,7 +36,7 @@
The following figure shows a common IoTDB 3C3D (3 ConfigNodes, 3 DataNodes) cluster deployment pattern:
-
+
IoTDB's cluster includes the following common concepts:
diff --git a/src/UserGuide/dev-1.3/Background-knowledge/Cluster-Concept_timecho.md b/src/UserGuide/dev-1.3/Background-knowledge/Cluster-Concept_timecho.md
index 5f0682521..22afc3aa4 100644
--- a/src/UserGuide/dev-1.3/Background-knowledge/Cluster-Concept_timecho.md
+++ b/src/UserGuide/dev-1.3/Background-knowledge/Cluster-Concept_timecho.md
@@ -36,7 +36,7 @@
The following figure shows a common IoTDB 3C3D (3 ConfigNodes, 3 DataNodes) cluster deployment pattern:
-
+
IoTDB's cluster includes the following common concepts:
diff --git a/src/UserGuide/latest-Table/Background-knowledge/Cluster-Concept_apache.md b/src/UserGuide/latest-Table/Background-knowledge/Cluster-Concept_apache.md
index 8d4b99869..beee95672 100644
--- a/src/UserGuide/latest-Table/Background-knowledge/Cluster-Concept_apache.md
+++ b/src/UserGuide/latest-Table/Background-knowledge/Cluster-Concept_apache.md
@@ -57,7 +57,7 @@ Encoding is a compression technique that represents data in binary form, improvi
IoTDB supports distributed deployments, typically in a 3C3D cluster model (3 ConfigNodes, 3 DataNodes), as illustrated below:
-
+
### 2.1 Key Concepts
diff --git a/src/UserGuide/latest-Table/Background-knowledge/Cluster-Concept_timecho.md b/src/UserGuide/latest-Table/Background-knowledge/Cluster-Concept_timecho.md
index 651a353cd..7ebd77297 100644
--- a/src/UserGuide/latest-Table/Background-knowledge/Cluster-Concept_timecho.md
+++ b/src/UserGuide/latest-Table/Background-knowledge/Cluster-Concept_timecho.md
@@ -57,7 +57,7 @@ Encoding is a compression technique that represents data in binary form, improvi
IoTDB supports distributed deployments, typically in a 3C3D cluster model (3 ConfigNodes, 3 DataNodes), as illustrated below:
-
+
### 2.1 Key Concepts
diff --git a/src/UserGuide/latest-Table/IoTDB-Introduction/IoTDB-Introduction_apache.md b/src/UserGuide/latest-Table/IoTDB-Introduction/IoTDB-Introduction_apache.md
index e225263f3..5bb1b9ac3 100644
--- a/src/UserGuide/latest-Table/IoTDB-Introduction/IoTDB-Introduction_apache.md
+++ b/src/UserGuide/latest-Table/IoTDB-Introduction/IoTDB-Introduction_apache.md
@@ -48,7 +48,7 @@ Key components include:
The diagram below illustrates a typical IoTDB cluster deployment (3 ConfigNodes and 3 DataNodes):
-
+
## 3. Key Features
diff --git a/src/UserGuide/latest-Table/IoTDB-Introduction/IoTDB-Introduction_timecho.md b/src/UserGuide/latest-Table/IoTDB-Introduction/IoTDB-Introduction_timecho.md
index 01c0e2dd0..f74257551 100644
--- a/src/UserGuide/latest-Table/IoTDB-Introduction/IoTDB-Introduction_timecho.md
+++ b/src/UserGuide/latest-Table/IoTDB-Introduction/IoTDB-Introduction_timecho.md
@@ -53,7 +53,7 @@ Key components include:
The diagram below illustrates a common cluster deployment (3 ConfigNodes, 3 DataNodes) of TimechoDB:
-
+
## 3. Key Features
diff --git a/src/UserGuide/latest/Background-knowledge/Cluster-Concept_apache.md b/src/UserGuide/latest/Background-knowledge/Cluster-Concept_apache.md
index 11e734753..e0d1f3910 100644
--- a/src/UserGuide/latest/Background-knowledge/Cluster-Concept_apache.md
+++ b/src/UserGuide/latest/Background-knowledge/Cluster-Concept_apache.md
@@ -36,7 +36,7 @@
The following figure shows a common IoTDB 3C3D (3 ConfigNodes, 3 DataNodes) cluster deployment pattern:
-
+
IoTDB's cluster includes the following common concepts:
diff --git a/src/UserGuide/latest/Background-knowledge/Cluster-Concept_timecho.md b/src/UserGuide/latest/Background-knowledge/Cluster-Concept_timecho.md
index deef3cdb5..147d0c5ed 100644
--- a/src/UserGuide/latest/Background-knowledge/Cluster-Concept_timecho.md
+++ b/src/UserGuide/latest/Background-knowledge/Cluster-Concept_timecho.md
@@ -36,7 +36,7 @@
The following figure shows a common IoTDB 3C3D (3 ConfigNodes, 3 DataNodes) cluster deployment pattern:
-
+
IoTDB's cluster includes the following common concepts:
diff --git a/src/UserGuide/latest/IoTDB-Introduction/IoTDB-Introduction_apache.md b/src/UserGuide/latest/IoTDB-Introduction/IoTDB-Introduction_apache.md
index e225263f3..5bb1b9ac3 100644
--- a/src/UserGuide/latest/IoTDB-Introduction/IoTDB-Introduction_apache.md
+++ b/src/UserGuide/latest/IoTDB-Introduction/IoTDB-Introduction_apache.md
@@ -48,7 +48,7 @@ Key components include:
The diagram below illustrates a typical IoTDB cluster deployment (3 ConfigNodes and 3 DataNodes):
-
+
## 3. Key Features
diff --git a/src/zh/UserGuide/Master/Table/Background-knowledge/Cluster-Concept_apache.md b/src/zh/UserGuide/Master/Table/Background-knowledge/Cluster-Concept_apache.md
index f55d381db..8f7877929 100644
--- a/src/zh/UserGuide/Master/Table/Background-knowledge/Cluster-Concept_apache.md
+++ b/src/zh/UserGuide/Master/Table/Background-knowledge/Cluster-Concept_apache.md
@@ -52,7 +52,7 @@ IoTDB 在数据编码后,使用压缩技术进一步压缩二进制数据,
下图展示了一个常见的 IoTDB 3C3D(3 个 ConfigNode、3 个 DataNode)的集群部署模式:
-
+
IoTDB 的集群包括如下常见概念:
diff --git a/src/zh/UserGuide/Master/Table/Background-knowledge/Cluster-Concept_timecho.md b/src/zh/UserGuide/Master/Table/Background-knowledge/Cluster-Concept_timecho.md
index 33a7b567f..b0462f0dd 100644
--- a/src/zh/UserGuide/Master/Table/Background-knowledge/Cluster-Concept_timecho.md
+++ b/src/zh/UserGuide/Master/Table/Background-knowledge/Cluster-Concept_timecho.md
@@ -52,7 +52,7 @@ IoTDB 在数据编码后,使用压缩技术进一步压缩二进制数据,
下图展示了一个常见的 IoTDB 3C3D(3 个 ConfigNode、3 个 DataNode)的集群部署模式:
-
+
IoTDB 的集群包括如下常见概念:
diff --git a/src/zh/UserGuide/Master/Table/IoTDB-Introduction/IoTDB-Introduction_apache.md b/src/zh/UserGuide/Master/Table/IoTDB-Introduction/IoTDB-Introduction_apache.md
index 97dc7b10f..2ef2dc633 100644
--- a/src/zh/UserGuide/Master/Table/IoTDB-Introduction/IoTDB-Introduction_apache.md
+++ b/src/zh/UserGuide/Master/Table/IoTDB-Introduction/IoTDB-Introduction_apache.md
@@ -48,7 +48,7 @@ IoTDB 体系由若干个组件构成,帮助用户高效地管理和分析物
下图展示了一个常见的 IoTDB 3C3D(3 个 ConfigNode、3 个 DataNode)的集群部署模式:
-
+
## 3. 产品特性
diff --git a/src/zh/UserGuide/Master/Table/IoTDB-Introduction/IoTDB-Introduction_timecho.md b/src/zh/UserGuide/Master/Table/IoTDB-Introduction/IoTDB-Introduction_timecho.md
index 95fcd7b4e..a82e4ed7f 100644
--- a/src/zh/UserGuide/Master/Table/IoTDB-Introduction/IoTDB-Introduction_timecho.md
+++ b/src/zh/UserGuide/Master/Table/IoTDB-Introduction/IoTDB-Introduction_timecho.md
@@ -47,7 +47,7 @@ TimechoDB 是一款低成本、高性能的物联网原生时序数据库,是
下图展示了一个常见的 IoTDB 3C3D(3 个 ConfigNode、3 个 DataNode)的集群部署模式:
-
+
## 3. 产品特性
diff --git a/src/zh/UserGuide/Master/Tree/Background-knowledge/Cluster-Concept_apache.md b/src/zh/UserGuide/Master/Tree/Background-knowledge/Cluster-Concept_apache.md
index 5860f3005..e9253a151 100644
--- a/src/zh/UserGuide/Master/Tree/Background-knowledge/Cluster-Concept_apache.md
+++ b/src/zh/UserGuide/Master/Tree/Background-knowledge/Cluster-Concept_apache.md
@@ -53,7 +53,7 @@ IoTDB 在数据编码后,使用压缩技术进一步压缩二进制数据,
下图展示了一个常见的 IoTDB 3C3D(3 个 ConfigNode、3 个 DataNode)的集群部署模式:
-
+
IoTDB 的集群包括如下常见概念:
diff --git a/src/zh/UserGuide/Master/Tree/Background-knowledge/Cluster-Concept_timecho.md b/src/zh/UserGuide/Master/Tree/Background-knowledge/Cluster-Concept_timecho.md
index 33a7b567f..b0462f0dd 100644
--- a/src/zh/UserGuide/Master/Tree/Background-knowledge/Cluster-Concept_timecho.md
+++ b/src/zh/UserGuide/Master/Tree/Background-knowledge/Cluster-Concept_timecho.md
@@ -52,7 +52,7 @@ IoTDB 在数据编码后,使用压缩技术进一步压缩二进制数据,
下图展示了一个常见的 IoTDB 3C3D(3 个 ConfigNode、3 个 DataNode)的集群部署模式:
-
+
IoTDB 的集群包括如下常见概念:
diff --git a/src/zh/UserGuide/Master/Tree/IoTDB-Introduction/IoTDB-Introduction_apache.md b/src/zh/UserGuide/Master/Tree/IoTDB-Introduction/IoTDB-Introduction_apache.md
index 113844b42..aa24e8e94 100644
--- a/src/zh/UserGuide/Master/Tree/IoTDB-Introduction/IoTDB-Introduction_apache.md
+++ b/src/zh/UserGuide/Master/Tree/IoTDB-Introduction/IoTDB-Introduction_apache.md
@@ -48,7 +48,7 @@ IoTDB 体系由若干个组件构成,帮助用户高效地管理和分析物
下图展示了一个常见的 IoTDB 3C3D(3 个 ConfigNode、3 个 DataNode)的集群部署模式:
-
+
## 3. 产品特性
diff --git a/src/zh/UserGuide/Master/Tree/IoTDB-Introduction/IoTDB-Introduction_timecho.md b/src/zh/UserGuide/Master/Tree/IoTDB-Introduction/IoTDB-Introduction_timecho.md
index 95fcd7b4e..a82e4ed7f 100644
--- a/src/zh/UserGuide/Master/Tree/IoTDB-Introduction/IoTDB-Introduction_timecho.md
+++ b/src/zh/UserGuide/Master/Tree/IoTDB-Introduction/IoTDB-Introduction_timecho.md
@@ -47,7 +47,7 @@ TimechoDB 是一款低成本、高性能的物联网原生时序数据库,是
下图展示了一个常见的 IoTDB 3C3D(3 个 ConfigNode、3 个 DataNode)的集群部署模式:
-
+
## 3. 产品特性
diff --git a/src/zh/UserGuide/V1.3.x/Background-knowledge/Cluster-Concept_apache.md b/src/zh/UserGuide/V1.3.x/Background-knowledge/Cluster-Concept_apache.md
index 6fb96fdf9..7aeb0dd5d 100644
--- a/src/zh/UserGuide/V1.3.x/Background-knowledge/Cluster-Concept_apache.md
+++ b/src/zh/UserGuide/V1.3.x/Background-knowledge/Cluster-Concept_apache.md
@@ -36,7 +36,7 @@
下图展示了一个常见的 IoTDB 3C3D(3 个 ConfigNode、3 个 DataNode)的集群部署模式:
-
+
IoTDB 的集群包括如下常见概念:
diff --git a/src/zh/UserGuide/V1.3.x/Background-knowledge/Cluster-Concept_timecho.md b/src/zh/UserGuide/V1.3.x/Background-knowledge/Cluster-Concept_timecho.md
index 378424ea7..44739754b 100644
--- a/src/zh/UserGuide/V1.3.x/Background-knowledge/Cluster-Concept_timecho.md
+++ b/src/zh/UserGuide/V1.3.x/Background-knowledge/Cluster-Concept_timecho.md
@@ -36,7 +36,7 @@
下图展示了一个常见的 IoTDB 3C3D(3 个 ConfigNode、3 个 DataNode)的集群部署模式:
-
+
IoTDB 的集群包括如下常见概念:
diff --git a/src/zh/UserGuide/dev-1.3/Background-knowledge/Cluster-Concept_apache.md b/src/zh/UserGuide/dev-1.3/Background-knowledge/Cluster-Concept_apache.md
index 6fb96fdf9..7aeb0dd5d 100644
--- a/src/zh/UserGuide/dev-1.3/Background-knowledge/Cluster-Concept_apache.md
+++ b/src/zh/UserGuide/dev-1.3/Background-knowledge/Cluster-Concept_apache.md
@@ -36,7 +36,7 @@
下图展示了一个常见的 IoTDB 3C3D(3 个 ConfigNode、3 个 DataNode)的集群部署模式:
-
+
IoTDB 的集群包括如下常见概念:
diff --git a/src/zh/UserGuide/dev-1.3/Background-knowledge/Cluster-Concept_timecho.md b/src/zh/UserGuide/dev-1.3/Background-knowledge/Cluster-Concept_timecho.md
index 378424ea7..44739754b 100644
--- a/src/zh/UserGuide/dev-1.3/Background-knowledge/Cluster-Concept_timecho.md
+++ b/src/zh/UserGuide/dev-1.3/Background-knowledge/Cluster-Concept_timecho.md
@@ -36,7 +36,7 @@
下图展示了一个常见的 IoTDB 3C3D(3 个 ConfigNode、3 个 DataNode)的集群部署模式:
-
+
IoTDB 的集群包括如下常见概念:
diff --git a/src/zh/UserGuide/latest-Table/Background-knowledge/Cluster-Concept_apache.md b/src/zh/UserGuide/latest-Table/Background-knowledge/Cluster-Concept_apache.md
index f55d381db..8f7877929 100644
--- a/src/zh/UserGuide/latest-Table/Background-knowledge/Cluster-Concept_apache.md
+++ b/src/zh/UserGuide/latest-Table/Background-knowledge/Cluster-Concept_apache.md
@@ -52,7 +52,7 @@ IoTDB 在数据编码后,使用压缩技术进一步压缩二进制数据,
下图展示了一个常见的 IoTDB 3C3D(3 个 ConfigNode、3 个 DataNode)的集群部署模式:
-
+
IoTDB 的集群包括如下常见概念:
diff --git a/src/zh/UserGuide/latest-Table/Background-knowledge/Cluster-Concept_timecho.md b/src/zh/UserGuide/latest-Table/Background-knowledge/Cluster-Concept_timecho.md
index 33a7b567f..b0462f0dd 100644
--- a/src/zh/UserGuide/latest-Table/Background-knowledge/Cluster-Concept_timecho.md
+++ b/src/zh/UserGuide/latest-Table/Background-knowledge/Cluster-Concept_timecho.md
@@ -52,7 +52,7 @@ IoTDB 在数据编码后,使用压缩技术进一步压缩二进制数据,
下图展示了一个常见的 IoTDB 3C3D(3 个 ConfigNode、3 个 DataNode)的集群部署模式:
-
+
IoTDB 的集群包括如下常见概念:
diff --git a/src/zh/UserGuide/latest-Table/IoTDB-Introduction/IoTDB-Introduction_apache.md b/src/zh/UserGuide/latest-Table/IoTDB-Introduction/IoTDB-Introduction_apache.md
index 97dc7b10f..2ef2dc633 100644
--- a/src/zh/UserGuide/latest-Table/IoTDB-Introduction/IoTDB-Introduction_apache.md
+++ b/src/zh/UserGuide/latest-Table/IoTDB-Introduction/IoTDB-Introduction_apache.md
@@ -48,7 +48,7 @@ IoTDB 体系由若干个组件构成,帮助用户高效地管理和分析物
下图展示了一个常见的 IoTDB 3C3D(3 个 ConfigNode、3 个 DataNode)的集群部署模式:
-
+
## 3. 产品特性
diff --git a/src/zh/UserGuide/latest-Table/IoTDB-Introduction/IoTDB-Introduction_timecho.md b/src/zh/UserGuide/latest-Table/IoTDB-Introduction/IoTDB-Introduction_timecho.md
index 95fcd7b4e..a82e4ed7f 100644
--- a/src/zh/UserGuide/latest-Table/IoTDB-Introduction/IoTDB-Introduction_timecho.md
+++ b/src/zh/UserGuide/latest-Table/IoTDB-Introduction/IoTDB-Introduction_timecho.md
@@ -47,7 +47,7 @@ TimechoDB 是一款低成本、高性能的物联网原生时序数据库,是
下图展示了一个常见的 IoTDB 3C3D(3 个 ConfigNode、3 个 DataNode)的集群部署模式:
-
+
## 3. 产品特性
diff --git a/src/zh/UserGuide/latest/Background-knowledge/Cluster-Concept_apache.md b/src/zh/UserGuide/latest/Background-knowledge/Cluster-Concept_apache.md
index 5860f3005..e9253a151 100644
--- a/src/zh/UserGuide/latest/Background-knowledge/Cluster-Concept_apache.md
+++ b/src/zh/UserGuide/latest/Background-knowledge/Cluster-Concept_apache.md
@@ -53,7 +53,7 @@ IoTDB 在数据编码后,使用压缩技术进一步压缩二进制数据,
下图展示了一个常见的 IoTDB 3C3D(3 个 ConfigNode、3 个 DataNode)的集群部署模式:
-
+
IoTDB 的集群包括如下常见概念:
diff --git a/src/zh/UserGuide/latest/Background-knowledge/Cluster-Concept_timecho.md b/src/zh/UserGuide/latest/Background-knowledge/Cluster-Concept_timecho.md
index 33a7b567f..b0462f0dd 100644
--- a/src/zh/UserGuide/latest/Background-knowledge/Cluster-Concept_timecho.md
+++ b/src/zh/UserGuide/latest/Background-knowledge/Cluster-Concept_timecho.md
@@ -52,7 +52,7 @@ IoTDB 在数据编码后,使用压缩技术进一步压缩二进制数据,
下图展示了一个常见的 IoTDB 3C3D(3 个 ConfigNode、3 个 DataNode)的集群部署模式:
-
+
IoTDB 的集群包括如下常见概念:
diff --git a/src/zh/UserGuide/latest/IoTDB-Introduction/IoTDB-Introduction_apache.md b/src/zh/UserGuide/latest/IoTDB-Introduction/IoTDB-Introduction_apache.md
index 113844b42..aa24e8e94 100644
--- a/src/zh/UserGuide/latest/IoTDB-Introduction/IoTDB-Introduction_apache.md
+++ b/src/zh/UserGuide/latest/IoTDB-Introduction/IoTDB-Introduction_apache.md
@@ -48,7 +48,7 @@ IoTDB 体系由若干个组件构成,帮助用户高效地管理和分析物
下图展示了一个常见的 IoTDB 3C3D(3 个 ConfigNode、3 个 DataNode)的集群部署模式:
-
+
## 3. 产品特性
diff --git a/src/zh/UserGuide/latest/IoTDB-Introduction/IoTDB-Introduction_timecho.md b/src/zh/UserGuide/latest/IoTDB-Introduction/IoTDB-Introduction_timecho.md
index 95fcd7b4e..a82e4ed7f 100644
--- a/src/zh/UserGuide/latest/IoTDB-Introduction/IoTDB-Introduction_timecho.md
+++ b/src/zh/UserGuide/latest/IoTDB-Introduction/IoTDB-Introduction_timecho.md
@@ -47,7 +47,7 @@ TimechoDB 是一款低成本、高性能的物联网原生时序数据库,是
下图展示了一个常见的 IoTDB 3C3D(3 个 ConfigNode、3 个 DataNode)的集群部署模式:
-
+
## 3. 产品特性