diff --git a/documents/solution/high-availability-architecture/serverless-high-availability-architecture.yml b/documents/solution/high-availability-architecture/serverless-high-availability-architecture.yml
index 29dc444c..8c6b6d0e 100644
--- a/documents/solution/high-availability-architecture/serverless-high-availability-architecture.yml
+++ b/documents/solution/high-availability-architecture/serverless-high-availability-architecture.yml
@@ -253,10 +253,10 @@ Resources:
         -XX:HeapDumpPath=/home/admin/nas/dump-${POD_IP}-$(date '+%s').hprof
       Envs:
         Fn::Sub: >-
-          [{"name":"APPLETS_RDS_ENDPOINT","value":"${PolarDBCluster.PrimaryConnectionString}"},
-          {"name":"APPLETS_RDS_USER","value":"${PolarDBAccount}"},
-          {"name":"APPLETS_RDS_PASSWORD","value":"${DBPassword}"},
-          {"name":"APPLETS_RDS_DB_NAME","value":"applets"}]
+          [{"name":"APPLETS_MYSQL_ENDPOINT","value":"${PolarDBCluster.PrimaryConnectionString}"},
+          {"name":"APPLETS_MYSQL_USER","value":"${PolarDBAccount}"},
+          {"name":"APPLETS_MYSQL_PASSWORD","value":"${DBPassword}"},
+          {"name":"APPLETS_MYSQL_DB_NAME","value":"applets"}]
       Readiness: '{"exec":{"command":["sleep","6s"]},"initialDelaySeconds":15,"timeoutSeconds":12}'
       Liveness: '{"httpGet":{"path":"/","port":80,"scheme":"HTTP"},"initialDelaySeconds":10,"timeoutSeconds":10,"periodSeconds":10,"successThreshold":1,"failureThreshold":3}'
   WaitApp: