polish the content

docs/nightly/en/db-cloud-shared/clients/grafana-integration.md

@@ -4,16 +4,18 @@ GreptimeDB can be configured as a [Grafana data source](https://grafana.com/docs
 
 ### Installation
 
-Grab the latest release from [release
+The GreptimeDB Data source plugin can currently only installed on a local Grafana instance.
+Make sure Grafana is installed and running before installing the plugin.
+
+You can choose one of the following installation methods:
+- Download the installation package and unzip it to the relevant directory: Grab the latest release from [release
 page](https://github.com/GreptimeTeam/greptimedb-grafana-datasource/releases/latest/),
 Unzip the file to your [grafana plugin
 directory](https://grafana.com/docs/grafana/latest/setup-grafana/configure-grafana/#plugins).
-
-You can also use grafana cli to download and install
-
-```
-grafana cli --pluginUrl https://github.com/GreptimeTeam/greptimedb-grafana-datasource/releases/latest/download/info8fcc-greptimedb-datasource.zip plugins install info8fcc
-```
+- Use grafana cli to download and install:
+  ```shell
+  grafana cli --pluginUrl https://github.com/GreptimeTeam/greptimedb-grafana-datasource/releases/latest/download/info8fcc-greptimedb-datasource.zip plugins install info8fcc
+  ```
 
 Note that you may need to restart your grafana server after installing the plugin.
 
@@ -23,7 +25,11 @@ Note that you may need to restart your grafana server after installing the plugi
 
 {template greptimecloud-configurations%%}
 
-Click the Add data source button and select GreptimeDB as the type. Fill in the following URL in the GreptimeDB server URL:
+Click the Add data source button and select GreptimeDB as the type.
+
+![grafana-add-greptimedb-data-source](/grafana-add-greptimedb-data-source.png)
+
+Fill in the following URL in the GreptimeDB server URL:
 
 {template greptime-data-source-connection-url%%}
 
@@ -41,10 +47,10 @@ Then click the Save & Test button to test the connection.
 Create a new dashboard in Grafana by clicking the `Create your first dashboard` button.
 Then click `Add visualization`, select `GreptimeDB` as the data source.
 
-Select a metric from the `Metric` dropdown list, then click `Run query` to view the metric data.
+Select a metric from the `Metric` dropdown list, then click `Run queries` to view the metric data.
 When you see the data and confirm it is correct, click `Save` to save the panel.
 
-![grafana-create-panel-with-selecting-metric](/create-panel-with-selecting-metric-greptimedb.jpg)
+![grafana-create-panel-with-selecting-metric](/create-panel-with-selecting-metric-greptimedb.png)
 
 You can also create a panel using PromQL.
 Click the `code` button on the right side of the `Query` tab to switch to the PromQL editor.
@@ -54,7 +60,7 @@ Then enter a PromQL statement, such as `system_memory_usage{state="used"}`, clic
 
 
 :::tip NOTE
-GreptimeDB is compatible with most PromQL, but there are some limitations. Please refer to the [PromQL limitations](/user-guide/query-data/promql#局限) document for more information.
+GreptimeDB is compatible with most PromQL, but there are some limitations. Please refer to the [PromQL limitations](/user-guide/query-data/promql#limitations) document for more information.
 :::
 
 ## Prometheus data source
@@ -77,7 +83,7 @@ Click Custom HTTP Headers and add one header:
 
 Then click Save & Test button to test the connection.
 
-## MySQL 数据源
+## MySQL data source
 
 Click the Add data source button and select MySQL as the type. Fill in the following information in MySQL Connection:
 

docs/nightly/en/user-guide/clients/grafana.md

@@ -16,8 +16,7 @@ http://<host>:4000/v1/prometheus
 
 ### Quick Preview using Docker
 
-We built a docker compose file that integrated GreptimeDB, Prometheus,
-Prometheus Node Exporter, Grafana and this plugin together.
+Greptime provides a docker compose file that integrates GreptimeDB, Prometheus, Prometheus Node Exporter, Grafana, and this plugin together so you can quickly experience the GreptimeDB data source plugin.
 
 ```bash
 git clone https://github.com/GreptimeTeam/greptimedb-grafana-datasource.git

docs/nightly/zh/db-cloud-shared/clients/grafana-integration.md

@@ -5,13 +5,16 @@ GreptimeDB 服务可以配置为 [Grafana 数据源](https://grafana.com/docs/gr
 
 ### 安装
 
-从[发布页面](https://github.com/GreptimeTeam/greptimedb-grafana-datasource/releases/latest/)获取最新版本，解压文件到你的 [grafana 插件目录](https://grafana.com/docs/grafana/latest/setup-grafana/configure-grafana/#plugins)。
+GreptimeDB 数据源插件目前仅支持在本地 Grafana 中的安装，
+在安装插件前请确保 Grafana 已经安装并运行。
 
-你也可以使用 Grafana Cli 下载并安装：
+你可以任选以下一种安装方式：
 
-```shell
-grafana cli --pluginUrl https://github.com/GreptimeTeam/greptimedb-grafana-datasource/releases/latest/download/info8fcc-greptimedb-datasource.zip plugins install info8fcc
-```
+- 下载安装包并解压到相关目录：从[发布页面](https://github.com/GreptimeTeam/greptimedb-grafana-datasource/releases/latest/)获取最新版本，解压文件到你的 [grafana 插件目录](https://grafana.com/docs/grafana/latest/setup-grafana/configure-grafana/#plugins)。
+- 使用 Grafana Cli 下载并安装：
+  ```shell
+  grafana cli --pluginUrl https://github.com/GreptimeTeam/greptimedb-grafana-datasource/releases/latest/download/info8fcc-greptimedb-datasource.zip plugins install info8fcc
+  ```
 
 注意，安装插件后可能需要重新启动 Grafana 服务器。
 
@@ -21,7 +24,10 @@ grafana cli --pluginUrl https://github.com/GreptimeTeam/greptimedb-grafana-datas
 
 {template greptimecloud-configurations%%}
 
-在 Grafana 中单击 Add data source 按钮，然后选择 GreptimeDB 作为类型。
+在 Grafana 中单击 Add data source 按钮，选择 GreptimeDB 作为类型。
+
+![grafana-add-greptimedb-data-source](/grafana-add-greptimedb-data-source.png)
+
 在 GreptimeDB server URL 中填写以下地址：
 
 {template greptime-data-source-connection-url%%}
@@ -44,16 +50,16 @@ grafana cli --pluginUrl https://github.com/GreptimeTeam/greptimedb-grafana-datas
 在 `Metric` 下拉列表中选择一个指标，然后点击 `Run query` 查看指标数据。
 当你查看数据并确认无误后，点击 `Save` 保存面板。
 
-![grafana-create-panel-with-selecting-metric](/create-panel-with-selecting-metric-greptimedb.jpg)
+![grafana-create-panel-with-selecting-metric](/create-panel-with-selecting-metric-greptimedb.png)
 
 你还可以使用 PromQL 创建面板。
 点击 `Query` 标签页右侧的 `code` 按钮，切换到 PromQL 编辑器。
-然后输入一个 PromQL 语句，例如 `system_memory_usage{state="used"}`，点击 `Run query` 查看指标数据。
+然后输入一个 PromQL 语句，例如 `system_memory_usage{state="used"}`，点击 `Run queries` 查看指标数据。
 
 ![grafana-create-panel-with-promql](/grafana-create-panel-with-promql.png)
 
 :::tip 注意
-GreptimeDB 兼容大部分 PromQL，但是有一些限制。请参考 [PromQL 限制](/user-guide/query-data/promql#limitations) 文档获取更多信息。
+GreptimeDB 兼容大部分 PromQL，但是有一些限制。请参考 [PromQL 限制](/user-guide/query-data/promql#局限) 文档获取更多信息。
 :::
 
 ## Prometheus 数据源

docs/nightly/zh/getting-started/quick-start/visualize-data-by-grafana.md

@@ -37,5 +37,5 @@ GreptimeDB 可以作为 Prometheus 数据源配置在 Grafana 中。
 ![grafana-create-panel-with-promql](/grafana-create-panel-with-promql.png)
 
 :::tip 注意
-GreptimeDB 兼容大部分 PromQL，但是有一些限制。请参考 [PromQL 限制](/user-guide/query-data/promql#limitations) 文档获取更多信息。
+GreptimeDB 兼容大部分 PromQL，但是有一些限制。请参考 [PromQL 限制](/user-guide/query-data/promql#局限) 文档获取更多信息。
 :::

docs/nightly/zh/user-guide/clients/grafana.md

@@ -17,7 +17,9 @@ http://<host>:4000/v1/prometheus
 
 ### 使用 Docker 快速预览
 
-我们构建了一个 docker compose 文件，将 GreptimeDB、Prometheus、Prometheus Node Exporter、Grafana 和该插件集成在一起。
+Greptime 提供了一个 docker compose 文件，
+将 GreptimeDB、Prometheus、Prometheus Node Exporter、Grafana 和该插件集成在一起，
+以便你能够快速体验 GreptimeDB 数据源插件。
 
 ```shell
 git clone https://github.com/GreptimeTeam/greptimedb-grafana-datasource.git