diff --git a/app.py b/app.py
index 8766628..a3caa39 100644
--- a/app.py
+++ b/app.py
@@ -765,4 +765,12 @@ def api_cond_orders_exit(hub_order_id: str):
 
 
 if __name__ == "__main__":
-    app.run(host=APP_HOST, port=APP_PORT, debug=True, threaded=True)
+    # PM2 下禁止 debug reloader,否则会 Bad file descriptor 崩循环
+    _debug = (os.getenv("APP_DEBUG") or "").strip().lower() in ("1", "true", "yes", "on")
+    app.run(
+        host=APP_HOST,
+        port=APP_PORT,
+        debug=_debug,
+        use_reloader=False,
+        threaded=True,
+    )