diff --git a/smtp-proxy-server/0.9.1/docker-compose.yml b/smtp-proxy-server/0.9.1/docker-compose.yml
index a46e4f538..bbbd73331 100644
--- a/smtp-proxy-server/0.9.1/docker-compose.yml
+++ b/smtp-proxy-server/0.9.1/docker-compose.yml
@@ -12,8 +12,8 @@ services:
     networks:
       - 1panel-network
     ports:
-      - ${PANEL_APP_PORT_SMTP:-8025}:8025
-      - ${PANEL_APP_PORT_IMAP:-11143}:11143
+      - ${PANEL_APP_PORT_SMTP:-8025}:${PANEL_APP_PORT_SMTP:-8025}
+      - ${PANEL_APP_PORT_IMAP:-11143}:${PANEL_APP_PORT_IMAP:-11143}
     env_file:
       - ${GLOBAL_ENV_FILE:-/etc/1panel/envs/global.env}
       - ${ENV_FILE:-/etc/1panel/envs/default.env}