diff --git a/src/cm_agent/cma_common.cpp b/src/cm_agent/cma_common.cpp
index 0098079..d428f0c 100644
--- a/src/cm_agent/cma_common.cpp
+++ b/src/cm_agent/cma_common.cpp
@@ -358,6 +358,9 @@ void ReloadParametersFromConfig()
     }
     g_doradoClusterMode =
         (DoradoClusterMode)get_uint32_value_from_config(configDir, "dorado_cluster_mode", SS_DORADO_NULL);
+    if (agent_backup_open == CLUSTER_OBS_STANDBY) {
+        agent_backup_open = (ClusterRole)get_uint32_value_from_config(configDir, "agent_backup_open", CLUSTER_PRIMARY);
+    }
     log_threshold_check_interval =
         get_uint32_value_from_config(configDir, "log_threshold_check_interval", log_threshold_check_interval);
     undocumentedVersion = get_uint32_value_from_config(configDir, "upgrade_from", 0);
@@ -410,7 +413,7 @@ void ReloadParametersFromConfigfile()
         "  enableLogCompress=%s, security_mode=%s, incremental_build=%d, unix_socket_directory=%s, "
 #ifndef ENABLE_MULTIPLE_NODES
         "enable_e2e_rto=%u, disaster_recovery_type=%d, environment_threshold=%s, "
-        "db_service_vip=%s, enable_fence_dn=%s, dorado_cluster_mode=%d\n",
+        "db_service_vip=%s, enable_fence_dn=%s, dorado_cluster_mode=%d, agent_backup_open=%d\n",
 #else
         "enable_e2e_rto=%u, disaster_recovery_type=%d, environment_threshold=%s\n",
 #endif
@@ -441,7 +444,8 @@ void ReloadParametersFromConfigfile()
         g_environmentThreshold,
         g_dbServiceVip,
         g_enableFenceDn,
-        g_doradoClusterMode);
+        g_doradoClusterMode,
+        agent_backup_open);
 #else
         g_environmentThreshold);
 #endif
diff --git a/src/cm_server/cms_monitor_main.cpp b/src/cm_server/cms_monitor_main.cpp
index d3cef87..55f2f4a 100644
--- a/src/cm_server/cms_monitor_main.cpp
+++ b/src/cm_server/cms_monitor_main.cpp
@@ -355,6 +355,9 @@ static void ReloadParametersFromConfigfile()
         GetTwoNodesArbitrateParams();
     }
 
+    if (backup_open == CLUSTER_OBS_STANDBY) {
+        backup_open = (ClusterRole)get_int_value_from_config(configDir, "backup_open", 0);
+    }
 
 #ifdef ENABLE_MULTIPLE_NODES
     write_runlog(LOG,
@@ -386,13 +389,13 @@ static void ReloadParametersFromConfigfile()
         "datastorage_threshold_check_interval=%d,\n"
         "  max_datastorage_threshold_check=%d, enableSetReadOnly=%s, enableSetReadOnlyThreshold=%u, "
         "switch_rto=%d, force_promote=%d, cluster_starting_aribt_delay=%u, enable_e2e_rto=%u, "
-        "g_delayArbiTime=%u, g_clusterArbiTime=%d, wait_static_primary_times=%u.\n",
+        "g_delayArbiTime=%u, g_clusterArbiTime=%d, wait_static_primary_times=%u, backup_open=%d.\n",
         log_min_messages, maxLogFileSize, sys_log_path, g_alarmComponentPath, g_alarmReportInterval,
         instance_heartbeat_timeout, g_ddbArbicfg.haHeartBeatTimeOut, cmserver_self_vote_timeout,
         g_ddbArbicfg.haStatusInterval, cmserver_ha_connect_timeout, instance_failover_delay_timeout,
         datastorage_threshold_check_interval, max_datastorage_threshold_check, g_enableSetReadOnly,
         g_readOnlyThreshold, switch_rto, force_promote, g_clusterStartingArbitDelay,
-        g_enableE2ERto, g_delayArbiTime, g_clusterArbiTime, g_waitStaticPrimaryTimes);
+        g_enableE2ERto, g_delayArbiTime, g_clusterArbiTime, g_waitStaticPrimaryTimes, backup_open);
 #endif
 }