diff --git a/.leanignore b/.leanignore
new file mode 100644
index 0000000..05769c3
--- /dev/null
+++ b/.leanignore
@@ -0,0 +1,4 @@
+.git/
+.avoscloud/
+.leancloud/
+node_modules/
\ No newline at end of file
diff --git a/server.js b/server.js
index a2d416e..8b16da7 100644
--- a/server.js
+++ b/server.js
@@ -14,7 +14,7 @@ var app = require('./app');
 
 // 端口一定要从环境变量 `LEANCLOUD_APP_PORT` 中获取。
 // LeanEngine 运行时会分配端口并赋值到该变量。
-var PORT = parseInt(process.env.LEANCLOUD_APP_PORT || 3000);
+var PORT = parseInt(process.env.LEANCLOUD_APP_PORT || process.env.PORT || 3000);
 app.listen(PORT, function () {
   console.log('Node app is running, port:', PORT);