Update 2.compile-br.md (#1801)

docs-2.0/backup-and-restore/nebula-br/2.compile-br.md

@@ -13,6 +13,7 @@ To use the BR (Enterprise Edition) tool, you need to install the NebulaGraph Age
 |NebulaGraph|BR |Agent |
 |:---|:---|:---|
 |3.3.0|3.3.0|0.2.0|
+|3.0.x ~ 3.2.x|0.6.1|0.1.0 ~ 0.2.0|
 
 ## Install BR with a binary file
 
@@ -138,4 +139,4 @@ In **each machine**, follow these steps:
 ## FAQ
 
 ### The error `E_LIST_CLUSTER_NO_AGENT_FAILURE
-If you encounter `E_LIST_CLUSTER_NO_AGENT_FAILURE` error, it may be due to the Agent service is not started or the Agent service is not registered to Meta service. First, execute `SHOW HOSTS AGENT` to check the status of the Agent service on all nodes in the cluster, when the status shows `OFFLINE`, it means the registration of Agent failed, then check whether the value of the `--meta` option in the command to start the Agent service is correct.
+If you encounter `E_LIST_CLUSTER_NO_AGENT_FAILURE` error, it may be due to the Agent service is not started or the Agent service is not registered to Meta service. First, execute `SHOW HOSTS AGENT` to check the status of the Agent service on all nodes in the cluster, when the status shows `OFFLINE`, it means the registration of Agent failed, then check whether the value of the `--meta` option in the command to start the Agent service is correct.