doc: refine prometheus part

docs/en/08-data-in/02-prometheus.md

@@ -28,7 +28,7 @@ Supposed that you use Linux system with architecture amd64:
 
 Then Prometheus is installed in current directory. For more installation options, please refer to the [official documentation](https://prometheus.io/docs/prometheus/latest/installation/).
 
-## Configure
+## Configure Prometheus
 
 Configuring Prometheus is done by editing the Prometheus configuration file `prometheus.yml` (If you followed previous steps, you can find prometheus.xml in current directory).
 

docs/en/09-data-out/05-prometheus.md

@@ -12,15 +12,15 @@ Prometheus data can be stored in TDengine via the `remote_write` interface with
 
 ## Install Prometheus
 
-Please refer to [Install Prometheus](../../data-in/prometheus).
+Please refer to [Install Prometheus](../../data-in/prometheus#install-prometheus).
 
-## Configure
+## Configure Prometheus
 
-Please refer to [Configure Prometheus](../../data-in/prometheus).
+Please refer to [Configure Prometheus](../../data-in/prometheus/#configure-prometheus).
 
 ## Start Prometheus
 
-Please refer to [Start Prometheus](../../data-in/prometheus).
+Please refer to [Start Prometheus](../../data-in/prometheus/#start-prometheus).
 
 ## Verify Remote Read