diff --git a/configs/db.yml b/configs/db.yml
index 882db13..f9716f4 100644
--- a/configs/db.yml
+++ b/configs/db.yml
@@ -5,6 +5,7 @@ postgres:
     conn_percent: 70
   alarm:
     enabled: true
+  leader_switch_hook: "echo 'leader switch'"
 
 mysql:
   process_limit: 50
diff --git a/scripts/monodb/pgsql-health.sh b/scripts/monodb/pgsql-health.sh
index 40f93de..a1e7a10 100644
--- a/scripts/monodb/pgsql-health.sh
+++ b/scripts/monodb/pgsql-health.sh
@@ -30,6 +30,8 @@ function parse_config_pgsql() {
 
     SEND_ALARM=$(yaml .postgres.alarm.enabled $CONFIG_PATH_MONODB "$SEND_ALARM")
 
+    LEADER_SWICH_HOOK=$(yaml .postgres.leader_switch_hook $CONFIG_PATH_MONODB "")
+
     if [ -z "$PATRONI_API" ] && [ -f /etc/patroni/patroni.yml ]; then
         PATRONI_API="$(yq -r .restapi.listen /etc/patroni/patroni.yml)"
     fi