diff --git a/trainer-upgrade/mysql/mysql-axons.yaml b/trainer-upgrade/mysql/mysql-axons.yaml
index 4a15d92..4b35438 100644
--- a/trainer-upgrade/mysql/mysql-axons.yaml
+++ b/trainer-upgrade/mysql/mysql-axons.yaml
@@ -1,3 +1,9 @@
+---
+# configMap
+# set global max_connections = 5000
+# set global wait_timeout = 600
+
+---
 apiVersion: v1
 kind: ReplicationController
 metadata:
diff --git a/trainer-upgrade/mysql/mysql-drill.yaml b/trainer-upgrade/mysql/mysql-drill.yaml
index fbc7e34..908c007 100644
--- a/trainer-upgrade/mysql/mysql-drill.yaml
+++ b/trainer-upgrade/mysql/mysql-drill.yaml
@@ -1,3 +1,8 @@
+---
+# configMap
+# set global max_connections = 5000
+# set global wait_timeout = 600
+---
 apiVersion: v1
 kind: ReplicationController
 metadata:
diff --git a/trainer-upgrade/service_group/discover-service.yaml b/trainer-upgrade/service_group/discover-service.yaml
index 08a019d..a5b59a8 100644
--- a/trainer-upgrade/service_group/discover-service.yaml
+++ b/trainer-upgrade/service_group/discover-service.yaml
@@ -97,7 +97,7 @@ spec:
           image: beaconfireiic/gateway:1.1.0
           ports:
             - name: http
-              containerPort: 8761
+              containerPort: 9090
               protocol: TCP
           env:
             - name: "LOGGING_LEVEL_ROOT"