docs: grafana

docs/en/08-third-party/01-grafana.md

@@ -15,15 +15,15 @@ TDengine currently supports Grafana versions 7.5 and above. Users can go to the
 
 Please copy the following shell commands to export `TDENGINE_CLOUD_URL` and `TDENGINE_CLOUD_TOKEN` for the data source installation.
 
-Run below script from Linux terminal to install TDengine data source plugin.
-
 ```bash
-bash -c "$(curl -fsSL https://raw.githubusercontent.com/taosdata/grafanaplugin/master/install.sh)"
+export TDENGINE_CLOUD_TOKEN="<token>"
+export TDENGINE_CLOUD_URL="<url>"
 ```
 
-Please restart Grafana after install plugins. Refer to Grafana documentation for instructions if necessary.
+Run below script from Linux terminal to install TDengine data source plugin.
 
-* Provisioning /etc/grafana/provisioning/datasources/TDengine.yaml
+```bash
+bash -c "$(curl -fsSL https://raw.githubusercontent.com/taosdata/grafanaplugin/master/install.sh)"
 ```
 
 After that completed, please restart grafana-server.