diff --git a/mcp-server-demo/.env.example b/mcp-server-demo/.env.example
index 5109a5a..6bb4a83 100644
--- a/mcp-server-demo/.env.example
+++ b/mcp-server-demo/.env.example
@@ -1,6 +1,6 @@
 # MCP Excel 分析服务
 MCP_HOST=0.0.0.0
-MCP_PORT=8910
+MCP_PORT=8010
 
 # 可选：配置后 backend 请求需带 Authorization: Bearer <key>
 MCP_API_KEY=change-me-in-production
diff --git a/mcp-server-demo/docker-compose.yml b/mcp-server-demo/docker-compose.yml
index bcac75d..3af392a 100644
--- a/mcp-server-demo/docker-compose.yml
+++ b/mcp-server-demo/docker-compose.yml
@@ -3,7 +3,7 @@ services:
     build: .
     container_name: mcp-excel-analyzer
     ports:
-      - "8010:8010"
+      - "${MCP_PORT:-8010}:${MCP_PORT:-8010}"
     env_file:
       - .env
     restart: unless-stopped