diff --git a/conf/kni.conf b/conf/kni.conf
index 781a35f..cd12202 100644
--- a/conf/kni.conf
+++ b/conf/kni.conf
@@ -30,9 +30,9 @@ listen_eth = eth0
 listen_port = 2475
 
 [watch_dog]
+switch = 1
 listen_eth = eth0
 listen_port = 2476
-keepalive_switch = 1
 keepalive_idle = 2
 keepalive_intvl = 1
 keepalive_cnt = 3
diff --git a/entry/src/tfe_mgr.cpp b/entry/src/tfe_mgr.cpp
index 131ddce..1cb50c7 100644
--- a/entry/src/tfe_mgr.cpp
+++ b/entry/src/tfe_mgr.cpp
@@ -18,7 +18,7 @@ struct tfe_mgr{
     int tfe_enabled_node_count;
     int tfe_alive_nodes[TFE_COUNT_MAX];
     int tfe_alive_node_count;
-    int keepalive_switch;                                       
+    int watch_dog_switch;                                       
     void *logger;
 };
 
@@ -290,9 +290,9 @@ struct tfe_mgr* tfe_mgr_init(int tfe_node_count, const char* profile, void *logg
     int ret;
     //load keepalive conf
     char section[KNI_SYMBOL_MAX] = "watch_dog";
-    MESA_load_profile_int_def(profile, section, "keepalive_switch", &(mgr->keepalive_switch), 0);
-    KNI_LOG_ERROR(logger, "MESA_prof_load, [%s]:\n keepalive_switch: %d", section, mgr->keepalive_switch);
-    if(mgr->keepalive_switch == 0){
+    MESA_load_profile_int_def(profile, section, "switch", &(mgr->watch_dog_switch), 0);
+    KNI_LOG_ERROR(logger, "MESA_prof_load, [%s]:\n switch: %d", section, mgr->watch_dog_switch);
+    if(mgr->watch_dog_switch == 0){
         return mgr;
     }
     int keepalive_idle, keepalive_cnt, keepalive_intvl;
@@ -386,7 +386,7 @@ error_out:
 
 int tfe_mgr_alive_node_get(struct tfe_mgr *mgr, int thread_seq){
     int tfe_id = -1;
-     if(mgr->keepalive_switch == 0){
+     if(mgr->watch_dog_switch == 0){
          if(mgr->tfe_enabled_node_count > 0){
             int i = thread_seq % mgr->tfe_enabled_node_count;
             tfe_id = mgr->tfe_enabled_nodes[i].tfe_id;