diff --git a/example/operator.yml b/example/operator.yml
index 05c997ee..3409639f 100644
--- a/example/operator.yml
+++ b/example/operator.yml
@@ -29,7 +29,7 @@ obcluster:
       container_name: observer
       home_path: /home/admin/oceanbase
       data_dir: /home/admin/oceanbase/store
-      redo_Dir: /home/admin/oceanbase/store
+      redo_dir: /home/admin/oceanbase/store
       ip: xx.xx.xx.xx
     global:
       # if running obdiag in kubernetes, please delete the kubernetes_config_file
diff --git a/handler/rca/rca_handler.py b/handler/rca/rca_handler.py
index 51da1a95..993bd173 100644
--- a/handler/rca/rca_handler.py
+++ b/handler/rca/rca_handler.py
@@ -99,12 +99,7 @@ def __init__(self, context):
                 obproxy_version = ""
                 try:
                     if len(context_obproxy_nodes) > 0:
-                        obproxy_version = get_obproxy_version(
-                            True,
-                            context_obproxy_nodes[0]["ssher"],
-                            context_obproxy_nodes[0]["home_path"],
-                            self.stdio,
-                        )
+                        obproxy_version = get_obproxy_version(context)
                 except Exception as e:
                     self.stdio.warn("RCAHandler.init Failed to get obproxy version. Error:{0}".format(e))
                 if obproxy_version != "":