add commercial support (#1154)
diff --git a/src/.vuepress/public/img/commercial-support-pragmatic.png b/src/.vuepress/public/img/commercial-support-pragmatic.png
new file mode 100644
index 0000000..215d752
--- /dev/null
+++ b/src/.vuepress/public/img/commercial-support-pragmatic.png
Binary files differ
diff --git a/src/.vuepress/public/img/commercial-support-timecho-zh.png b/src/.vuepress/public/img/commercial-support-timecho-zh.png
new file mode 100644
index 0000000..4b94959
--- /dev/null
+++ b/src/.vuepress/public/img/commercial-support-timecho-zh.png
Binary files differ
diff --git a/src/.vuepress/public/img/commercial-support-timecho.png b/src/.vuepress/public/img/commercial-support-timecho.png
new file mode 100644
index 0000000..d656c9b
--- /dev/null
+++ b/src/.vuepress/public/img/commercial-support-timecho.png
Binary files differ
diff --git a/src/.vuepress/public/img/commercial-support-toddy.png b/src/.vuepress/public/img/commercial-support-toddy.png
new file mode 100644
index 0000000..9ceea6f
--- /dev/null
+++ b/src/.vuepress/public/img/commercial-support-toddy.png
Binary files differ
diff --git a/src/.vuepress/sidebar/V1.3.x/en.ts b/src/.vuepress/sidebar/V1.3.x/en.ts
index 24635e7..d510018 100644
--- a/src/.vuepress/sidebar/V1.3.x/en.ts
+++ b/src/.vuepress/sidebar/V1.3.x/en.ts
@@ -31,6 +31,7 @@
         { text: 'IoTDB Introduction', link: 'IoTDB-Introduction_apache' },
         { text: 'Scenario', link: 'Scenario' },
         { text: 'Release History', link: 'Release-history_apache' },
+        { text: 'Commercial Support', link: 'Commercial-Support_apache' },
       ],
     },
     {
diff --git a/src/.vuepress/sidebar/V1.3.x/zh.ts b/src/.vuepress/sidebar/V1.3.x/zh.ts
index 405ee6d..8a9cbbf 100644
--- a/src/.vuepress/sidebar/V1.3.x/zh.ts
+++ b/src/.vuepress/sidebar/V1.3.x/zh.ts
@@ -31,6 +31,7 @@
         { text: '产品介绍', link: 'IoTDB-Introduction_apache' },
         { text: '应用场景', link: 'Scenario' },
         { text: '发布历史', link: 'Release-history_apache' },
+        { text: '商业支持', link: 'Commercial-Support_apache' },
       ],
     },
     {
diff --git a/src/.vuepress/sidebar/V2.0.x/en-Table.ts b/src/.vuepress/sidebar/V2.0.x/en-Table.ts
index 6fd4bc9..850e77f 100644
--- a/src/.vuepress/sidebar/V2.0.x/en-Table.ts
+++ b/src/.vuepress/sidebar/V2.0.x/en-Table.ts
@@ -30,6 +30,7 @@
         { text: 'IoTDB Introduction', link: 'IoTDB-Introduction_apache' },
         { text: 'Scenario', link: 'Scenario' },
         { text: 'Release History', link: 'Release-history_apache' },
+        { text: 'Commercial Support', link: 'Commercial-Support_apache' },
       ],
     },
     {
diff --git a/src/.vuepress/sidebar/V2.0.x/en-Tree.ts b/src/.vuepress/sidebar/V2.0.x/en-Tree.ts
index e3d94ce..127a0c1 100644
--- a/src/.vuepress/sidebar/V2.0.x/en-Tree.ts
+++ b/src/.vuepress/sidebar/V2.0.x/en-Tree.ts
@@ -30,6 +30,7 @@
         { text: 'IoTDB Introduction', link: 'IoTDB-Introduction_apache' },
         { text: 'Scenario', link: 'Scenario' },
         { text: 'Release History', link: 'Release-history_apache' },
+        { text: 'Commercial Support', link: 'Commercial-Support_apache' },
       ],
     },
     {
diff --git a/src/.vuepress/sidebar/V2.0.x/zh-Table.ts b/src/.vuepress/sidebar/V2.0.x/zh-Table.ts
index 71754c6..e4b1ce0 100644
--- a/src/.vuepress/sidebar/V2.0.x/zh-Table.ts
+++ b/src/.vuepress/sidebar/V2.0.x/zh-Table.ts
@@ -30,6 +30,7 @@
         { text: '产品介绍', link: 'IoTDB-Introduction_apache' },
         { text: '应用场景', link: 'Scenario' },
         { text: '发布历史', link: 'Release-history_apache' },
+        { text: '商业支持', link: 'Commercial-Support_apache' },
       ],
     },
     {
diff --git a/src/.vuepress/sidebar/V2.0.x/zh-Tree.ts b/src/.vuepress/sidebar/V2.0.x/zh-Tree.ts
index 7d8631c..9285b94 100644
--- a/src/.vuepress/sidebar/V2.0.x/zh-Tree.ts
+++ b/src/.vuepress/sidebar/V2.0.x/zh-Tree.ts
@@ -30,6 +30,7 @@
         { text: '产品介绍', link: 'IoTDB-Introduction_apache' },
         { text: '应用场景', link: 'Scenario' },
         { text: '发布历史', link: 'Release-history_apache' },
+        { text: '商业支持', link: 'Commercial-Support_apache' },
       ],
     },
     {
diff --git a/src/UserGuide/Master/Table/IoTDB-Introduction/Commercial-Support_apache.md b/src/UserGuide/Master/Table/IoTDB-Introduction/Commercial-Support_apache.md
new file mode 100644
index 0000000..e62ab99
--- /dev/null
+++ b/src/UserGuide/Master/Table/IoTDB-Introduction/Commercial-Support_apache.md
@@ -0,0 +1,39 @@
+<!--
+
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF licenses this file
+    to you under the Apache License, Version 2.0 (the
+    "License"); you may not use this file except in compliance
+    with the License.  You may obtain a copy of the License at
+    
+        http://www.apache.org/licenses/LICENSE-2.0
+    
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
+
+-->
+
+# Commercial support
+
+As every Apache project, so is `Apache IoTDB` generally available and usable by anyone free of charge.
+
+Also does the `Apache IoTDB Community` offer free support on the official project `Mailinglist`. This support is however, done voluntarily by the community, so there are no service-level-agreements, guaranteed reaction times or guarantee that an issue will be addressed or solved.
+
+If you or your business has higher demands on guaranteed availability and execution of support requests, the following individuals and companies have commercial support offerings.
+
+The information provided here was provided by the entities named, and is not verified (except the `Involvement Level`), updated or endorsed by the `Apache Software Foundation` or the `Apache IoTDB` project.
+
+## Commercial Support Providers for Apache IoTDB
+
+|                                                                                                                                                                                                                                                                                   | Name                                                       | Description                                                                                                                                                                                                                                                    | Contact Person(s) | Contact Email(s)                  | Contact Phone(s) | Involvement Level |
+| ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------- | ----------------------------------- | ------------------ | ------------------- |
+| ![](/img/commercial-support-timecho.png)| [Timecho Europe GmbH](https://www.timecho-global.com/)        | Enterprise-grade products and solutions, technical support/ consulting/ training, deployment and migration, performance tuning, training, custom development, protocol/ connector/ driver development, time-series foundation model services, and AI services. | Pengchen Zheng    | pengcheng.zheng@timecho.com       | -                | Committer         |
+| ![](/img/commercial-support-pragmatic.png)| [pragmatic industries GmbH](https://pragmaticindustries.com/)| Technical support/ consulting/ training, deployment and migration, custom development                                                                                                                                                                          | Julian Feinauer   | j.feinauer@pragmaticindustries.de | -                | PMC Member        |
+| ![](/img/commercial-support-toddy.png)| [ToddySoft GmbH](https://toddysoft.com/)| Technical support/ consulting/ training, deployment and migration, protocol/ connector/ driver development, custom development                                                                                                                                 | Christofer Dutz   | christofer.dutz@toddysoft.com     | -                | PMC Member        |
+
diff --git a/src/UserGuide/Master/Tree/IoTDB-Introduction/Commercial-Support_apache.md b/src/UserGuide/Master/Tree/IoTDB-Introduction/Commercial-Support_apache.md
new file mode 100644
index 0000000..e62ab99
--- /dev/null
+++ b/src/UserGuide/Master/Tree/IoTDB-Introduction/Commercial-Support_apache.md
@@ -0,0 +1,39 @@
+<!--
+
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF licenses this file
+    to you under the Apache License, Version 2.0 (the
+    "License"); you may not use this file except in compliance
+    with the License.  You may obtain a copy of the License at
+    
+        http://www.apache.org/licenses/LICENSE-2.0
+    
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
+
+-->
+
+# Commercial support
+
+As every Apache project, so is `Apache IoTDB` generally available and usable by anyone free of charge.
+
+Also does the `Apache IoTDB Community` offer free support on the official project `Mailinglist`. This support is however, done voluntarily by the community, so there are no service-level-agreements, guaranteed reaction times or guarantee that an issue will be addressed or solved.
+
+If you or your business has higher demands on guaranteed availability and execution of support requests, the following individuals and companies have commercial support offerings.
+
+The information provided here was provided by the entities named, and is not verified (except the `Involvement Level`), updated or endorsed by the `Apache Software Foundation` or the `Apache IoTDB` project.
+
+## Commercial Support Providers for Apache IoTDB
+
+|                                                                                                                                                                                                                                                                                   | Name                                                       | Description                                                                                                                                                                                                                                                    | Contact Person(s) | Contact Email(s)                  | Contact Phone(s) | Involvement Level |
+| ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------- | ----------------------------------- | ------------------ | ------------------- |
+| ![](/img/commercial-support-timecho.png)| [Timecho Europe GmbH](https://www.timecho-global.com/)        | Enterprise-grade products and solutions, technical support/ consulting/ training, deployment and migration, performance tuning, training, custom development, protocol/ connector/ driver development, time-series foundation model services, and AI services. | Pengchen Zheng    | pengcheng.zheng@timecho.com       | -                | Committer         |
+| ![](/img/commercial-support-pragmatic.png)| [pragmatic industries GmbH](https://pragmaticindustries.com/)| Technical support/ consulting/ training, deployment and migration, custom development                                                                                                                                                                          | Julian Feinauer   | j.feinauer@pragmaticindustries.de | -                | PMC Member        |
+| ![](/img/commercial-support-toddy.png)| [ToddySoft GmbH](https://toddysoft.com/)| Technical support/ consulting/ training, deployment and migration, protocol/ connector/ driver development, custom development                                                                                                                                 | Christofer Dutz   | christofer.dutz@toddysoft.com     | -                | PMC Member        |
+
diff --git a/src/UserGuide/V1.3.x/IoTDB-Introduction/Commercial-Support_apache.md b/src/UserGuide/V1.3.x/IoTDB-Introduction/Commercial-Support_apache.md
new file mode 100644
index 0000000..e62ab99
--- /dev/null
+++ b/src/UserGuide/V1.3.x/IoTDB-Introduction/Commercial-Support_apache.md
@@ -0,0 +1,39 @@
+<!--
+
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF licenses this file
+    to you under the Apache License, Version 2.0 (the
+    "License"); you may not use this file except in compliance
+    with the License.  You may obtain a copy of the License at
+    
+        http://www.apache.org/licenses/LICENSE-2.0
+    
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
+
+-->
+
+# Commercial support
+
+As every Apache project, so is `Apache IoTDB` generally available and usable by anyone free of charge.
+
+Also does the `Apache IoTDB Community` offer free support on the official project `Mailinglist`. This support is however, done voluntarily by the community, so there are no service-level-agreements, guaranteed reaction times or guarantee that an issue will be addressed or solved.
+
+If you or your business has higher demands on guaranteed availability and execution of support requests, the following individuals and companies have commercial support offerings.
+
+The information provided here was provided by the entities named, and is not verified (except the `Involvement Level`), updated or endorsed by the `Apache Software Foundation` or the `Apache IoTDB` project.
+
+## Commercial Support Providers for Apache IoTDB
+
+|                                                                                                                                                                                                                                                                                   | Name                                                       | Description                                                                                                                                                                                                                                                    | Contact Person(s) | Contact Email(s)                  | Contact Phone(s) | Involvement Level |
+| ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------- | ----------------------------------- | ------------------ | ------------------- |
+| ![](/img/commercial-support-timecho.png)| [Timecho Europe GmbH](https://www.timecho-global.com/)        | Enterprise-grade products and solutions, technical support/ consulting/ training, deployment and migration, performance tuning, training, custom development, protocol/ connector/ driver development, time-series foundation model services, and AI services. | Pengchen Zheng    | pengcheng.zheng@timecho.com       | -                | Committer         |
+| ![](/img/commercial-support-pragmatic.png)| [pragmatic industries GmbH](https://pragmaticindustries.com/)| Technical support/ consulting/ training, deployment and migration, custom development                                                                                                                                                                          | Julian Feinauer   | j.feinauer@pragmaticindustries.de | -                | PMC Member        |
+| ![](/img/commercial-support-toddy.png)| [ToddySoft GmbH](https://toddysoft.com/)| Technical support/ consulting/ training, deployment and migration, protocol/ connector/ driver development, custom development                                                                                                                                 | Christofer Dutz   | christofer.dutz@toddysoft.com     | -                | PMC Member        |
+
diff --git a/src/UserGuide/dev-1.3/IoTDB-Introduction/Commercial-Support_apache.md b/src/UserGuide/dev-1.3/IoTDB-Introduction/Commercial-Support_apache.md
new file mode 100644
index 0000000..e62ab99
--- /dev/null
+++ b/src/UserGuide/dev-1.3/IoTDB-Introduction/Commercial-Support_apache.md
@@ -0,0 +1,39 @@
+<!--
+
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF licenses this file
+    to you under the Apache License, Version 2.0 (the
+    "License"); you may not use this file except in compliance
+    with the License.  You may obtain a copy of the License at
+    
+        http://www.apache.org/licenses/LICENSE-2.0
+    
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
+
+-->
+
+# Commercial support
+
+As every Apache project, so is `Apache IoTDB` generally available and usable by anyone free of charge.
+
+Also does the `Apache IoTDB Community` offer free support on the official project `Mailinglist`. This support is however, done voluntarily by the community, so there are no service-level-agreements, guaranteed reaction times or guarantee that an issue will be addressed or solved.
+
+If you or your business has higher demands on guaranteed availability and execution of support requests, the following individuals and companies have commercial support offerings.
+
+The information provided here was provided by the entities named, and is not verified (except the `Involvement Level`), updated or endorsed by the `Apache Software Foundation` or the `Apache IoTDB` project.
+
+## Commercial Support Providers for Apache IoTDB
+
+|                                                                                                                                                                                                                                                                                   | Name                                                       | Description                                                                                                                                                                                                                                                    | Contact Person(s) | Contact Email(s)                  | Contact Phone(s) | Involvement Level |
+| ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------- | ----------------------------------- | ------------------ | ------------------- |
+| ![](/img/commercial-support-timecho.png)| [Timecho Europe GmbH](https://www.timecho-global.com/)        | Enterprise-grade products and solutions, technical support/ consulting/ training, deployment and migration, performance tuning, training, custom development, protocol/ connector/ driver development, time-series foundation model services, and AI services. | Pengchen Zheng    | pengcheng.zheng@timecho.com       | -                | Committer         |
+| ![](/img/commercial-support-pragmatic.png)| [pragmatic industries GmbH](https://pragmaticindustries.com/)| Technical support/ consulting/ training, deployment and migration, custom development                                                                                                                                                                          | Julian Feinauer   | j.feinauer@pragmaticindustries.de | -                | PMC Member        |
+| ![](/img/commercial-support-toddy.png)| [ToddySoft GmbH](https://toddysoft.com/)| Technical support/ consulting/ training, deployment and migration, protocol/ connector/ driver development, custom development                                                                                                                                 | Christofer Dutz   | christofer.dutz@toddysoft.com     | -                | PMC Member        |
+
diff --git a/src/UserGuide/latest-Table/IoTDB-Introduction/Commercial-Support_apache.md b/src/UserGuide/latest-Table/IoTDB-Introduction/Commercial-Support_apache.md
new file mode 100644
index 0000000..e62ab99
--- /dev/null
+++ b/src/UserGuide/latest-Table/IoTDB-Introduction/Commercial-Support_apache.md
@@ -0,0 +1,39 @@
+<!--
+
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF licenses this file
+    to you under the Apache License, Version 2.0 (the
+    "License"); you may not use this file except in compliance
+    with the License.  You may obtain a copy of the License at
+    
+        http://www.apache.org/licenses/LICENSE-2.0
+    
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
+
+-->
+
+# Commercial support
+
+As every Apache project, so is `Apache IoTDB` generally available and usable by anyone free of charge.
+
+Also does the `Apache IoTDB Community` offer free support on the official project `Mailinglist`. This support is however, done voluntarily by the community, so there are no service-level-agreements, guaranteed reaction times or guarantee that an issue will be addressed or solved.
+
+If you or your business has higher demands on guaranteed availability and execution of support requests, the following individuals and companies have commercial support offerings.
+
+The information provided here was provided by the entities named, and is not verified (except the `Involvement Level`), updated or endorsed by the `Apache Software Foundation` or the `Apache IoTDB` project.
+
+## Commercial Support Providers for Apache IoTDB
+
+|                                                                                                                                                                                                                                                                                   | Name                                                       | Description                                                                                                                                                                                                                                                    | Contact Person(s) | Contact Email(s)                  | Contact Phone(s) | Involvement Level |
+| ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------- | ----------------------------------- | ------------------ | ------------------- |
+| ![](/img/commercial-support-timecho.png)| [Timecho Europe GmbH](https://www.timecho-global.com/)        | Enterprise-grade products and solutions, technical support/ consulting/ training, deployment and migration, performance tuning, training, custom development, protocol/ connector/ driver development, time-series foundation model services, and AI services. | Pengchen Zheng    | pengcheng.zheng@timecho.com       | -                | Committer         |
+| ![](/img/commercial-support-pragmatic.png)| [pragmatic industries GmbH](https://pragmaticindustries.com/)| Technical support/ consulting/ training, deployment and migration, custom development                                                                                                                                                                          | Julian Feinauer   | j.feinauer@pragmaticindustries.de | -                | PMC Member        |
+| ![](/img/commercial-support-toddy.png)| [ToddySoft GmbH](https://toddysoft.com/)| Technical support/ consulting/ training, deployment and migration, protocol/ connector/ driver development, custom development                                                                                                                                 | Christofer Dutz   | christofer.dutz@toddysoft.com     | -                | PMC Member        |
+
diff --git a/src/UserGuide/latest/IoTDB-Introduction/Commercial-Support_apache.md b/src/UserGuide/latest/IoTDB-Introduction/Commercial-Support_apache.md
new file mode 100644
index 0000000..e62ab99
--- /dev/null
+++ b/src/UserGuide/latest/IoTDB-Introduction/Commercial-Support_apache.md
@@ -0,0 +1,39 @@
+<!--
+
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF licenses this file
+    to you under the Apache License, Version 2.0 (the
+    "License"); you may not use this file except in compliance
+    with the License.  You may obtain a copy of the License at
+    
+        http://www.apache.org/licenses/LICENSE-2.0
+    
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
+
+-->
+
+# Commercial support
+
+As every Apache project, so is `Apache IoTDB` generally available and usable by anyone free of charge.
+
+Also does the `Apache IoTDB Community` offer free support on the official project `Mailinglist`. This support is however, done voluntarily by the community, so there are no service-level-agreements, guaranteed reaction times or guarantee that an issue will be addressed or solved.
+
+If you or your business has higher demands on guaranteed availability and execution of support requests, the following individuals and companies have commercial support offerings.
+
+The information provided here was provided by the entities named, and is not verified (except the `Involvement Level`), updated or endorsed by the `Apache Software Foundation` or the `Apache IoTDB` project.
+
+## Commercial Support Providers for Apache IoTDB
+
+|                                                                                                                                                                                                                                                                                   | Name                                                       | Description                                                                                                                                                                                                                                                    | Contact Person(s) | Contact Email(s)                  | Contact Phone(s) | Involvement Level |
+| ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------- | ----------------------------------- | ------------------ | ------------------- |
+| ![](/img/commercial-support-timecho.png)| [Timecho Europe GmbH](https://www.timecho-global.com/)        | Enterprise-grade products and solutions, technical support/ consulting/ training, deployment and migration, performance tuning, training, custom development, protocol/ connector/ driver development, time-series foundation model services, and AI services. | Pengchen Zheng    | pengcheng.zheng@timecho.com       | -                | Committer         |
+| ![](/img/commercial-support-pragmatic.png)| [pragmatic industries GmbH](https://pragmaticindustries.com/)| Technical support/ consulting/ training, deployment and migration, custom development                                                                                                                                                                          | Julian Feinauer   | j.feinauer@pragmaticindustries.de | -                | PMC Member        |
+| ![](/img/commercial-support-toddy.png)| [ToddySoft GmbH](https://toddysoft.com/)| Technical support/ consulting/ training, deployment and migration, protocol/ connector/ driver development, custom development                                                                                                                                 | Christofer Dutz   | christofer.dutz@toddysoft.com     | -                | PMC Member        |
+
diff --git a/src/zh/UserGuide/Master/Table/IoTDB-Introduction/Commercial-Support_apache.md b/src/zh/UserGuide/Master/Table/IoTDB-Introduction/Commercial-Support_apache.md
new file mode 100644
index 0000000..0ee15de
--- /dev/null
+++ b/src/zh/UserGuide/Master/Table/IoTDB-Introduction/Commercial-Support_apache.md
@@ -0,0 +1,38 @@
+<!--
+
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF licenses this file
+    to you under the Apache License, Version 2.0 (the
+    "License"); you may not use this file except in compliance
+    with the License.  You may obtain a copy of the License at
+    
+        http://www.apache.org/licenses/LICENSE-2.0
+    
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
+
+-->
+
+# 商业支持
+
+与所有 Apache 项目一样,**Apache IoTDB** 向所有人免费开放使用。
+
+同时,**Apache​ IoTDB 社区**也会在项目官方邮件列表上提供免费支持。但这类支持完全由社区志愿者自愿提供,因此不包含任何服务级别协议(SLA)、不承诺响应时间,也不保证问题一定会被处理或解决。
+
+如果您或您的企业对支持请求的可用性和处理时效有更高要求,以下个人及公司可提供商业支持服务。
+
+> ​**免责声明**​:本页面所列信息均由对应实体自行提供。除 “参与程度” 一项外,所有内容均未经 **Apache​ 软件基金会**或 **Apache IoTDB 项目**核实、更新或背书。
+
+## Apache IoTDB 商业支持提供商
+
+|                                             | 公司名称                                                           | 服务内容                                                             | 联系人          | 联系邮箱                          | 联系电话 | 参与程度   |
+|---------------------------------------------|----------------------------------------------------------------|------------------------------------------------------------------| ----------------- | ----------------------------------- | ---------- | ------------ |
+| ![](/img/commercial-support-timecho-zh.png) | [天谋科技(北京)有限公司](https://www.timecho.com/)                | 企业级产品与解决方案、技术咨询、技术培训、定制化软件开发、协议/驱动开发、时序大模型服务、AI服务                | 郑鹏程          | pengcheng.zheng@timecho.com       | -        | Committer  |
+| ![](/img/commercial-support-pragmatic.png)  | [pragmatic industries GmbH](https://pragmaticindustries.com/)  | 技术咨询、技术培训、定制化软件开发                                                | Julian Feinauer | j.feinauer@pragmaticindustries.de | -        | PMC Member |
+| ![](/img/commercial-support-toddy.png)      | [ToddySoft GmbH](https://toddysoft.com/)                       | 技术咨询、技术培训、定制化软件开发、协议/驱区动开发                                       | Christofer Dutz | christofer.dutz@toddysoft.com     | -        | PMC Member |
diff --git a/src/zh/UserGuide/Master/Tree/IoTDB-Introduction/Commercial-Support_apache.md b/src/zh/UserGuide/Master/Tree/IoTDB-Introduction/Commercial-Support_apache.md
new file mode 100644
index 0000000..0ee15de
--- /dev/null
+++ b/src/zh/UserGuide/Master/Tree/IoTDB-Introduction/Commercial-Support_apache.md
@@ -0,0 +1,38 @@
+<!--
+
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF licenses this file
+    to you under the Apache License, Version 2.0 (the
+    "License"); you may not use this file except in compliance
+    with the License.  You may obtain a copy of the License at
+    
+        http://www.apache.org/licenses/LICENSE-2.0
+    
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
+
+-->
+
+# 商业支持
+
+与所有 Apache 项目一样,**Apache IoTDB** 向所有人免费开放使用。
+
+同时,**Apache​ IoTDB 社区**也会在项目官方邮件列表上提供免费支持。但这类支持完全由社区志愿者自愿提供,因此不包含任何服务级别协议(SLA)、不承诺响应时间,也不保证问题一定会被处理或解决。
+
+如果您或您的企业对支持请求的可用性和处理时效有更高要求,以下个人及公司可提供商业支持服务。
+
+> ​**免责声明**​:本页面所列信息均由对应实体自行提供。除 “参与程度” 一项外,所有内容均未经 **Apache​ 软件基金会**或 **Apache IoTDB 项目**核实、更新或背书。
+
+## Apache IoTDB 商业支持提供商
+
+|                                             | 公司名称                                                           | 服务内容                                                             | 联系人          | 联系邮箱                          | 联系电话 | 参与程度   |
+|---------------------------------------------|----------------------------------------------------------------|------------------------------------------------------------------| ----------------- | ----------------------------------- | ---------- | ------------ |
+| ![](/img/commercial-support-timecho-zh.png) | [天谋科技(北京)有限公司](https://www.timecho.com/)                | 企业级产品与解决方案、技术咨询、技术培训、定制化软件开发、协议/驱动开发、时序大模型服务、AI服务                | 郑鹏程          | pengcheng.zheng@timecho.com       | -        | Committer  |
+| ![](/img/commercial-support-pragmatic.png)  | [pragmatic industries GmbH](https://pragmaticindustries.com/)  | 技术咨询、技术培训、定制化软件开发                                                | Julian Feinauer | j.feinauer@pragmaticindustries.de | -        | PMC Member |
+| ![](/img/commercial-support-toddy.png)      | [ToddySoft GmbH](https://toddysoft.com/)                       | 技术咨询、技术培训、定制化软件开发、协议/驱区动开发                                       | Christofer Dutz | christofer.dutz@toddysoft.com     | -        | PMC Member |
diff --git a/src/zh/UserGuide/V1.3.x/IoTDB-Introduction/Commercial-Support_apache.md b/src/zh/UserGuide/V1.3.x/IoTDB-Introduction/Commercial-Support_apache.md
new file mode 100644
index 0000000..0ee15de
--- /dev/null
+++ b/src/zh/UserGuide/V1.3.x/IoTDB-Introduction/Commercial-Support_apache.md
@@ -0,0 +1,38 @@
+<!--
+
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF licenses this file
+    to you under the Apache License, Version 2.0 (the
+    "License"); you may not use this file except in compliance
+    with the License.  You may obtain a copy of the License at
+    
+        http://www.apache.org/licenses/LICENSE-2.0
+    
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
+
+-->
+
+# 商业支持
+
+与所有 Apache 项目一样,**Apache IoTDB** 向所有人免费开放使用。
+
+同时,**Apache​ IoTDB 社区**也会在项目官方邮件列表上提供免费支持。但这类支持完全由社区志愿者自愿提供,因此不包含任何服务级别协议(SLA)、不承诺响应时间,也不保证问题一定会被处理或解决。
+
+如果您或您的企业对支持请求的可用性和处理时效有更高要求,以下个人及公司可提供商业支持服务。
+
+> ​**免责声明**​:本页面所列信息均由对应实体自行提供。除 “参与程度” 一项外,所有内容均未经 **Apache​ 软件基金会**或 **Apache IoTDB 项目**核实、更新或背书。
+
+## Apache IoTDB 商业支持提供商
+
+|                                             | 公司名称                                                           | 服务内容                                                             | 联系人          | 联系邮箱                          | 联系电话 | 参与程度   |
+|---------------------------------------------|----------------------------------------------------------------|------------------------------------------------------------------| ----------------- | ----------------------------------- | ---------- | ------------ |
+| ![](/img/commercial-support-timecho-zh.png) | [天谋科技(北京)有限公司](https://www.timecho.com/)                | 企业级产品与解决方案、技术咨询、技术培训、定制化软件开发、协议/驱动开发、时序大模型服务、AI服务                | 郑鹏程          | pengcheng.zheng@timecho.com       | -        | Committer  |
+| ![](/img/commercial-support-pragmatic.png)  | [pragmatic industries GmbH](https://pragmaticindustries.com/)  | 技术咨询、技术培训、定制化软件开发                                                | Julian Feinauer | j.feinauer@pragmaticindustries.de | -        | PMC Member |
+| ![](/img/commercial-support-toddy.png)      | [ToddySoft GmbH](https://toddysoft.com/)                       | 技术咨询、技术培训、定制化软件开发、协议/驱区动开发                                       | Christofer Dutz | christofer.dutz@toddysoft.com     | -        | PMC Member |
diff --git a/src/zh/UserGuide/dev-1.3/IoTDB-Introduction/Commercial-Support_apache.md b/src/zh/UserGuide/dev-1.3/IoTDB-Introduction/Commercial-Support_apache.md
new file mode 100644
index 0000000..0ee15de
--- /dev/null
+++ b/src/zh/UserGuide/dev-1.3/IoTDB-Introduction/Commercial-Support_apache.md
@@ -0,0 +1,38 @@
+<!--
+
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF licenses this file
+    to you under the Apache License, Version 2.0 (the
+    "License"); you may not use this file except in compliance
+    with the License.  You may obtain a copy of the License at
+    
+        http://www.apache.org/licenses/LICENSE-2.0
+    
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
+
+-->
+
+# 商业支持
+
+与所有 Apache 项目一样,**Apache IoTDB** 向所有人免费开放使用。
+
+同时,**Apache​ IoTDB 社区**也会在项目官方邮件列表上提供免费支持。但这类支持完全由社区志愿者自愿提供,因此不包含任何服务级别协议(SLA)、不承诺响应时间,也不保证问题一定会被处理或解决。
+
+如果您或您的企业对支持请求的可用性和处理时效有更高要求,以下个人及公司可提供商业支持服务。
+
+> ​**免责声明**​:本页面所列信息均由对应实体自行提供。除 “参与程度” 一项外,所有内容均未经 **Apache​ 软件基金会**或 **Apache IoTDB 项目**核实、更新或背书。
+
+## Apache IoTDB 商业支持提供商
+
+|                                             | 公司名称                                                           | 服务内容                                                             | 联系人          | 联系邮箱                          | 联系电话 | 参与程度   |
+|---------------------------------------------|----------------------------------------------------------------|------------------------------------------------------------------| ----------------- | ----------------------------------- | ---------- | ------------ |
+| ![](/img/commercial-support-timecho-zh.png) | [天谋科技(北京)有限公司](https://www.timecho.com/)                | 企业级产品与解决方案、技术咨询、技术培训、定制化软件开发、协议/驱动开发、时序大模型服务、AI服务                | 郑鹏程          | pengcheng.zheng@timecho.com       | -        | Committer  |
+| ![](/img/commercial-support-pragmatic.png)  | [pragmatic industries GmbH](https://pragmaticindustries.com/)  | 技术咨询、技术培训、定制化软件开发                                                | Julian Feinauer | j.feinauer@pragmaticindustries.de | -        | PMC Member |
+| ![](/img/commercial-support-toddy.png)      | [ToddySoft GmbH](https://toddysoft.com/)                       | 技术咨询、技术培训、定制化软件开发、协议/驱区动开发                                       | Christofer Dutz | christofer.dutz@toddysoft.com     | -        | PMC Member |
diff --git a/src/zh/UserGuide/latest-Table/IoTDB-Introduction/Commercial-Support_apache.md b/src/zh/UserGuide/latest-Table/IoTDB-Introduction/Commercial-Support_apache.md
new file mode 100644
index 0000000..0ee15de
--- /dev/null
+++ b/src/zh/UserGuide/latest-Table/IoTDB-Introduction/Commercial-Support_apache.md
@@ -0,0 +1,38 @@
+<!--
+
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF licenses this file
+    to you under the Apache License, Version 2.0 (the
+    "License"); you may not use this file except in compliance
+    with the License.  You may obtain a copy of the License at
+    
+        http://www.apache.org/licenses/LICENSE-2.0
+    
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
+
+-->
+
+# 商业支持
+
+与所有 Apache 项目一样,**Apache IoTDB** 向所有人免费开放使用。
+
+同时,**Apache​ IoTDB 社区**也会在项目官方邮件列表上提供免费支持。但这类支持完全由社区志愿者自愿提供,因此不包含任何服务级别协议(SLA)、不承诺响应时间,也不保证问题一定会被处理或解决。
+
+如果您或您的企业对支持请求的可用性和处理时效有更高要求,以下个人及公司可提供商业支持服务。
+
+> ​**免责声明**​:本页面所列信息均由对应实体自行提供。除 “参与程度” 一项外,所有内容均未经 **Apache​ 软件基金会**或 **Apache IoTDB 项目**核实、更新或背书。
+
+## Apache IoTDB 商业支持提供商
+
+|                                             | 公司名称                                                           | 服务内容                                                             | 联系人          | 联系邮箱                          | 联系电话 | 参与程度   |
+|---------------------------------------------|----------------------------------------------------------------|------------------------------------------------------------------| ----------------- | ----------------------------------- | ---------- | ------------ |
+| ![](/img/commercial-support-timecho-zh.png) | [天谋科技(北京)有限公司](https://www.timecho.com/)                | 企业级产品与解决方案、技术咨询、技术培训、定制化软件开发、协议/驱动开发、时序大模型服务、AI服务                | 郑鹏程          | pengcheng.zheng@timecho.com       | -        | Committer  |
+| ![](/img/commercial-support-pragmatic.png)  | [pragmatic industries GmbH](https://pragmaticindustries.com/)  | 技术咨询、技术培训、定制化软件开发                                                | Julian Feinauer | j.feinauer@pragmaticindustries.de | -        | PMC Member |
+| ![](/img/commercial-support-toddy.png)      | [ToddySoft GmbH](https://toddysoft.com/)                       | 技术咨询、技术培训、定制化软件开发、协议/驱区动开发                                       | Christofer Dutz | christofer.dutz@toddysoft.com     | -        | PMC Member |
diff --git a/src/zh/UserGuide/latest/IoTDB-Introduction/Commercial-Support_apache.md b/src/zh/UserGuide/latest/IoTDB-Introduction/Commercial-Support_apache.md
new file mode 100644
index 0000000..0ee15de
--- /dev/null
+++ b/src/zh/UserGuide/latest/IoTDB-Introduction/Commercial-Support_apache.md
@@ -0,0 +1,38 @@
+<!--
+
+    Licensed to the Apache Software Foundation (ASF) under one
+    or more contributor license agreements.  See the NOTICE file
+    distributed with this work for additional information
+    regarding copyright ownership.  The ASF licenses this file
+    to you under the Apache License, Version 2.0 (the
+    "License"); you may not use this file except in compliance
+    with the License.  You may obtain a copy of the License at
+    
+        http://www.apache.org/licenses/LICENSE-2.0
+    
+    Unless required by applicable law or agreed to in writing,
+    software distributed under the License is distributed on an
+    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+    KIND, either express or implied.  See the License for the
+    specific language governing permissions and limitations
+    under the License.
+
+-->
+
+# 商业支持
+
+与所有 Apache 项目一样,**Apache IoTDB** 向所有人免费开放使用。
+
+同时,**Apache​ IoTDB 社区**也会在项目官方邮件列表上提供免费支持。但这类支持完全由社区志愿者自愿提供,因此不包含任何服务级别协议(SLA)、不承诺响应时间,也不保证问题一定会被处理或解决。
+
+如果您或您的企业对支持请求的可用性和处理时效有更高要求,以下个人及公司可提供商业支持服务。
+
+> ​**免责声明**​:本页面所列信息均由对应实体自行提供。除 “参与程度” 一项外,所有内容均未经 **Apache​ 软件基金会**或 **Apache IoTDB 项目**核实、更新或背书。
+
+## Apache IoTDB 商业支持提供商
+
+|                                             | 公司名称                                                           | 服务内容                                                             | 联系人          | 联系邮箱                          | 联系电话 | 参与程度   |
+|---------------------------------------------|----------------------------------------------------------------|------------------------------------------------------------------| ----------------- | ----------------------------------- | ---------- | ------------ |
+| ![](/img/commercial-support-timecho-zh.png) | [天谋科技(北京)有限公司](https://www.timecho.com/)                | 企业级产品与解决方案、技术咨询、技术培训、定制化软件开发、协议/驱动开发、时序大模型服务、AI服务                | 郑鹏程          | pengcheng.zheng@timecho.com       | -        | Committer  |
+| ![](/img/commercial-support-pragmatic.png)  | [pragmatic industries GmbH](https://pragmaticindustries.com/)  | 技术咨询、技术培训、定制化软件开发                                                | Julian Feinauer | j.feinauer@pragmaticindustries.de | -        | PMC Member |
+| ![](/img/commercial-support-toddy.png)      | [ToddySoft GmbH](https://toddysoft.com/)                       | 技术咨询、技术培训、定制化软件开发、协议/驱区动开发                                       | Christofer Dutz | christofer.dutz@toddysoft.com     | -        | PMC Member |