docs: refine tdinsight docs (#22666)

* docs: add current_user() in function

* docs: kill query command need quote around id

* docs: refine grafana plugin document

* docs: refine tdinsight doc

docs/en/14-reference/07-tdinsight/index.md

@@ -13,7 +13,7 @@ After TDengine starts, it automatically writes many metrics in specific interval
 To deploy TDinsight, we need
 - a single-node TDengine server or a multi-node TDengine cluster and a [Grafana] server are required. This dashboard requires TDengine 3.0.1.0 and above, with the monitoring feature enabled. For detailed configuration, please refer to [TDengine monitoring configuration](../config/#monitoring-parameters).
 - taosAdapter has been installed and running, please refer to [taosAdapter](../taosadapter).
-- taosKeeper has been installed and running, please refer to [taosKeeper](../taosKeeper).
+- taosKeeper has been installed and running, please note the monitor-related items in taos.cfg file need be configured. Refer to [taosKeeper](../taosKeeper) for details.
 
 Please record
 - The endpoint of taosAdapter REST service, for example `http://tdengine.local:6041`

docs/zh/14-reference/07-tdinsight/index.mdx

@@ -15,7 +15,7 @@ TDengine 通过 [taosKeeper](../taosKeeper) 将服务器的 CPU、内存、硬
 
 - 单节点的 TDengine 服务器或多节点的 [TDengine] 集群，以及一个[Grafana]服务器。此仪表盘需要 TDengine 3.0.0.0 及以上，并开启监控服务，具体配置请参考：[TDengine 监控配置](../config/#监控相关)。
 - taosAdapter 已经安装并正常运行。具体细节请参考：[taosAdapter 使用手册](../taosadapter)
-- taosKeeper 已安装并正常运行。具体细节请参考：[taosKeeper 使用手册](../taosKeeper)
+- taosKeeper 已安装并正常运行。注意需要 taos.cfg 文件中打开 monitor 相关配置项，具体细节请参考：[taosKeeper 使用手册](../taosKeeper)
 
 记录以下信息：